Subaru Vehicle Models Subaru Outback 2005-2009 Torque Specifications
Subaru Vehicle Models Subaru Outback 2005-2009

Subaru Vehicle Models Subaru Outback 2005-2009 Torque Specifications

Complete Subaru Vehicle Models Subaru Outback 2005-2009 torque specifications guide. Includes factory-specified torque values, torque sequences, and technical specifications for all components including body, brakes, drivetrain, electrical, emissions sensors, fuel, exhaust, HVAC, and suspension. Essential information for proper assembly and maintenance.

Updated

Important Information

Safety guidelines and reference information for proper torque application

Quick Reference Guide
ft-lbs → Nm
× 1.356
ft-lbs → kg-m
× 0.138
Nm → ft-lbs
× 0.738
in-lbs → ft-lbs
× 0.083

Common Torque Patterns

Star Pattern

Used for wheels and other circular bolt patterns

Star Pattern torque pattern diagram showing proper bolt tightening sequence
Cross Pattern

Used for gaskets and cover plates

Cross Pattern torque pattern diagram showing proper bolt tightening sequence
Sequential Pattern

Used for head bolts and other critical components

Sequential Pattern torque pattern diagram showing proper bolt tightening sequence

Common Mistakes to Avoid

Over-tightening

Exceeding the specified torque value can stretch or break fasteners, damage threads, or crack components.

Prevention:

Always use a calibrated torque wrench and follow specifications exactly.

Incorrect Torque Sequence

Tightening bolts in the wrong order can cause uneven pressure distribution and potential leaks or damage.

Prevention:

Follow the manufacturer's specified torque sequence pattern.

Dirty Threads

Dirt, rust, or old thread locker can affect torque readings and proper fastener tension.

Prevention:

Clean and inspect all threads before assembly. Use new thread locker if specified.

Reusing TTY Bolts

Torque-to-yield bolts are designed to stretch and must not be reused.

Prevention:

Always replace TTY bolts with new ones. They are single-use only.

Dry vs. Lubricated

Not accounting for whether torque specs are for dry or lubricated fasteners can lead to incorrect tension.

Prevention:

Check if specs are for dry or lubricated threads. Use specified lubricant when required.

Recommended Tools

Torque Wrench (1/4" Drive)

Range: 2-25 ft-lbs
Small fasteners, delicate components

Torque Wrench (3/8" Drive)

Range: 10-100 ft-lbs
Most common automotive fasteners

Torque Wrench (1/2" Drive)

Range: 30-250 ft-lbs
Large fasteners, wheels

Angle Gauge

Torque-to-yield (TTY) bolts

Torque Wrench Care

  • Calibrate annually or after 5,000 clicks
  • Store at lowest setting
  • Keep clean and lubricated

Search Specifications

Search by component name, bolt size, or description

Torque Calculator

Convert between different torque units

2.5l H4 Engine

Torque specifications for 2.5L-H4 Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.25
Torque Specification
1. 18 ft-lbs (24 N·m) 2. 22 ft-lbs (30 N·m)
Important Notes
Torque sequence must be followed as specified in the service manual. Failure to follow sequence may result in head gasket failure.
2

Valve Cover Bolts

M6 x 1.0
Torque Specification
4.5 ft-lbs (6 N·m)
Important Notes
Ensure the valve cover gasket is properly seated before tightening.

Crankshaft And Bearings

1

Main Bearing Bolts

M10 x 1.25
Torque Specification
61 ft-lbs (83 N·m)
Important Notes
Torque sequence must be followed to ensure proper crankshaft alignment.
2

Connecting Rod Nuts

M8 x 1.25
Torque Specification
36 ft-lbs (49 N·m)
Important Notes
Ensure rod bearings are properly installed before tightening.

Timing System

1

Camshaft Sprocket Bolt

M12 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure the timing marks are aligned before tightening.
2

Timing Belt Tensioner Bolt

M8 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure the tensioner is properly aligned before tightening.

Oil System

1

Oil Pan Bolts

M6 x 1.0
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Ensure the oil pan gasket is properly seated before tightening.
2

Oil Drain Plug

M14 x 1.5
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Replace the crush washer to ensure proper sealing.

3.0l H6 Engine

Torque specifications for 3.0L-H6 Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.25
Torque Specification
1. 18 ft-lbs (24 N·m) 2. 90°
Important Notes
Follow the manufacturer's torque sequence for cylinder head bolts. Failure to do so may result in head gasket failure.
2

Valve Cover Bolts

M6 x 1.0
Torque Specification
4.5 ft-lbs (6 N·m)
Important Notes
Torque values are estimated based on typical M6 bolt specifications for valve covers.

Crankshaft And Bearings

1

Main Bearing Bolts

M12 x 1.5
Torque Specification
61 ft-lbs (83 N·m)
Important Notes
Follow the manufacturer's torque sequence for main bearing bolts.
2

Connecting Rod Nuts

M8 x 1.25
Torque Specification
36 ft-lbs (49 N·m)
Important Notes
Ensure connecting rod nuts are properly torqued to prevent engine failure.

Timing System

1

Camshaft Sprocket Bolt

M10 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure the camshaft sprocket is properly aligned before tightening.
2

Timing Belt Tensioner Bolt

M8 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure the timing belt is properly tensioned before tightening.

Intake And Exhaust

1

Intake Manifold Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Follow the manufacturer's torque sequence for intake manifold bolts.
2

Exhaust Manifold Bolts

M8 x 1.25
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Ensure the exhaust manifold is properly aligned before tightening.

Oil System

1

Oil Pan Bolts

M6 x 1.0
Torque Specification
5 ft-lbs (7 N·m)
Important Notes
Follow the manufacturer's torque sequence for oil pan bolts.
2

Oil Drain Plug

M14 x 1.5
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Ensure the oil drain plug is properly seated before tightening.

4eat Transmission

Torque specifications for 4eat Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M10 x 1.25
Torque Specification
35 ft-lbs (47.5 N·m)
Important Notes
Ensure proper alignment of the transmission during installation.
2

Transmission Bellhousing Bolts

M10 x 1.25
Torque Specification
35 ft-lbs (47.5 N·m)
Important Notes
Ensure proper alignment with the engine block.
3

Transmission Crossmember Bolts

M12 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value based on similar crossmember bolts.

Fluid Management

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
5.5 ft-lbs (7.5 N·m)
Important Notes
Ensure the oil pan gasket is properly seated.
2

Transmission Drain/Fill Plug

M14 x 1.5
Torque Specification
25.5 ft-lbs (34.5 N·m)
Important Notes
Ensure the plug is properly seated to prevent leaks.
3

Transmission Cooler Line Fittings

M12 x 1.25
Torque Specification
25.5 ft-lbs (34.5 N·m)
Important Notes
Ensure proper sealing to prevent fluid leaks.

Drivetrain Connection

1

Drive Axle/Half Shaft Bolts

M10 x 1.25
Torque Specification
44 ft-lbs (60 N·m)
Important Notes
Ensure proper alignment of the drive axles.
2

CV Joint/Axle Nut

M24 x 1.5
Torque Specification
148 ft-lbs (201 N·m)
Important Notes
Ensure the axle is fully seated before torquing.
3

Propeller/Drive Shaft Bolts

M8 x 1.25
Torque Specification
32.5 ft-lbs (44 N·m)
Important Notes
Ensure proper alignment of the drive shaft.

Torque Converter

1

Torque Converter Bolts

M8 x 1.25
Torque Specification
25.5 ft-lbs (34.5 N·m)
Important Notes
Ensure the torque converter is fully seated before torquing.

Starter Motor

1

Starter Motor Mounting Bolts

M8 x 1.25
Torque Specification
32.5 ft-lbs (44 N·m)
Important Notes
Ensure proper alignment of the starter motor.

Shift Mechanism

1

Shift Linkage Bolts

M6 x 1.0
Torque Specification
18.5 ft-lbs (25 N·m)
Important Notes
Ensure proper alignment of the shift linkage.

5eat Transmission

Torque specifications for 5eat Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M10 x 1.25
Torque Specification
35 ft-lbs (47.5 N·m)
Important Notes
Ensure proper alignment of the transmission before tightening. Torque in a crisscross pattern.
2

Transmission Crossmember Bolts

M12 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value based on similar crossmember bolts. Torque in a crisscross pattern.

Fluid Management

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Use a crisscross pattern to ensure even sealing of the oil pan gasket.
2

Transmission Drain Plug

M14 x 1.5
Torque Specification
25.5 ft-lbs (34.5 N·m)
Important Notes
Ensure the drain plug is properly sealed to prevent leaks.
3

Transmission Fill Plug

M14 x 1.5
Torque Specification
25.5 ft-lbs (34.5 N·m)
Important Notes
Ensure the fill plug is properly sealed to prevent leaks.

Drivetrain Connection

1

Drive Axle/Half Shaft Bolts

M10 x 1.25
Torque Specification
44 ft-lbs (60 N·m)
Important Notes
Ensure proper alignment of the drive axles before tightening.
2

CV Joint/Axle Nut

M24 x 1.5
Torque Specification
148 ft-lbs (201 N·m)
Important Notes
Ensure the CV joint is properly seated before tightening.
3

Propeller/Drive Shaft Bolts

M8 x 1.25
Torque Specification
32.5 ft-lbs (44 N·m)
Important Notes
Ensure proper alignment of the drive shaft before tightening.

Internal Components

1

Torque Converter Bolts

M8 x 1.25
Torque Specification
25.5 ft-lbs (34.5 N·m)
Important Notes
Ensure the torque converter is properly seated before tightening.
2

Valve Body Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Ensure the valve body is properly aligned before tightening.
3

Shift Solenoid Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Ensure the shift solenoids are properly seated before tightening.
4

Transmission Case Bolts

M8 x 1.25
Torque Specification
16.5 ft-lbs (22.5 N·m)
Important Notes
Ensure the transmission case halves are properly aligned before tightening.

Body

Torque specifications for Body

Wheels And Hubs

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Torque value is the midpoint of the specified range (58-72 ft-lbs / 78-98 N·m). Always use a crisscross pattern for tightening.

Fuel System

1

Fuel Tank Strap Bolts

M8 x 1.25
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Torque value is the midpoint of the specified range (26-32 ft-lbs / 35-43 N·m). Ensure straps are evenly tightened to avoid tank misalignment.
2

Fuel Filler Neck Bolts

M6 x 1.0
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Torque value is the midpoint of the specified range (15-22 ft-lbs / 20-30 N·m). Ensure a proper seal to prevent fuel vapor leaks.

Engine And Accessories

1

Starter Motor Mounting Bolts

M10 x 1.25
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Torque value is the midpoint of the specified range (29-36 ft-lbs / 39-49 N·m). Ensure proper alignment with the flywheel.
2

Alternator Mounting Bolts

M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Torque value is the midpoint of the specified range (14-19 ft-lbs / 19-25 N·m). Ensure proper belt tension after tightening.
3

A/C Compressor Mounting Bolts

M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Torque value is the midpoint of the specified range (14-19 ft-lbs / 19-25 N·m). Ensure proper belt tension after tightening.
4

A/C Line Fittings

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Torque value is the midpoint of the specified range (22-29 ft-lbs / 30-39 N·m). Ensure a leak-free connection.

Electrical System

1

Battery Terminal Nuts

M6 x 1.0
Torque Specification
6.5 ft-lbs (9 N·m)
Important Notes
Torque value is the midpoint of the specified range (5.8-7.2 ft-lbs / 8-10 N·m). Avoid overtightening to prevent terminal damage.

Body Panels

1

Body Panel Bolts (e.g., fender, door, hood, trunk)

M6 x 1.0
Torque Specification
9.5 ft-lbs (13 N·m)
Important Notes
Torque value is the midpoint of the specified range (7-12 ft-lbs / 9-16 N·m). Ensure proper alignment of panels during tightening.

Safety System

1

Seat Belt Anchor Bolts

M10 x 1.25
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Torque value is the midpoint of the specified range (35-45 ft-lbs / 47-61 N·m). Critical for passenger safety.

Roof And Rack

1

Roof Rack Mounting Bolts

M8 x 1.25
Torque Specification
21.5 ft-lbs (29 N·m)
Important Notes
Torque value is the midpoint of the specified range (18-25 ft-lbs / 24-34 N·m). Ensure proper alignment and secure attachment.

Suspension

1

Suspension Crossmember Bolts

M12 x 1.75
Torque Specification
60 ft-lbs (81 N·m)
Important Notes
Torque value is the midpoint of the specified range (50-70 ft-lbs / 68-95 N·m). Use a crisscross pattern for tightening.

Bumpers

1

Bumper Mounting Bolts

M8 x 1.25
Torque Specification
18.5 ft-lbs (25 N·m)
Important Notes
Torque value is the midpoint of the specified range (15-22 ft-lbs / 20-30 N·m). Ensure proper alignment of the bumper.

Doors

1

Door Hinge Bolts

M8 x 1.25
Torque Specification
21.5 ft-lbs (29 N·m)
Important Notes
Torque value is the midpoint of the specified range (18-25 ft-lbs / 24-34 N·m). Ensure proper door alignment and operation.

Brakes

Torque specifications for Brakes

Brake Caliper

1

Brake Caliper Bolts

M10 x 1.25
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Ensure caliper is properly aligned before tightening. Torque values are critical to prevent misalignment.
2

Brake Caliper Mounting Bracket Bolts

M12 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure bracket is securely mounted to the steering knuckle or axle. Torque values are critical for structural integrity.

Brake Rotor Drum

1

Brake Disc/Drum Retaining Bolts

M8 x 1.25
Torque Specification
43 ft-lbs (58 N·m)
Important Notes
Ensure rotor or drum is properly seated on the hub before tightening. Torque values are critical to prevent vibrations.

Brake Hydraulics

1

Brake Hose Banjo Bolt

M10 x 1.0
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure banjo bolt is properly aligned with the brake hose. Torque values are critical to prevent fluid leaks.
2

Brake Master Cylinder Mounting Bolts

M8 x 1.25
Torque Specification
14 ft-lbs (19 N·m)
Important Notes
Ensure master cylinder is properly aligned with the brake booster. Torque values are critical to prevent leaks.

Brake Booster Pedal

1

Brake Booster Mounting Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure booster is properly aligned with the firewall. Torque values are critical to maintain consistent brake pedal feel.
2

Brake Pedal Assembly Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure pedal assembly is properly aligned with the master cylinder pushrod. Torque values are critical for smooth pedal operation.

Wheel Assembly

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure wheel is properly seated on the hub before tightening. Torque values are critical to prevent brake pulsation or uneven wear.

Drivetrain

Torque specifications for Drivetrain

Flywheel

1

Flywheel Bolts

M10 x 1.25
Torque Specification
65.5 ft-lbs (89 N·m)
Important Notes
Torque value is the midpoint of the provided range (62-69 ft-lbs).

Transmission Mounting

1

Transmission Mounting Bolts

M8 x 1.25
Torque Specification
35 ft-lbs (47.5 N·m)
Important Notes
Torque value is the midpoint of the provided range (32-38 ft-lbs).

Drive Axle

1

Drive Axle/Half Shaft Bolts

M10 x 1.25
Torque Specification
44 ft-lbs (60 N·m)
Important Notes
Torque value is the midpoint of the provided range (41-47 ft-lbs).
2

CV Joint/Axle Nut

M24 x 1.5
Torque Specification
148 ft-lbs (201 N·m)
Important Notes
Torque value is the midpoint of the provided range (137-159 ft-lbs).

Propeller Shaft

1

Propeller/Drive Shaft Bolts

M8 x 1.25
Torque Specification
32.5 ft-lbs (44 N·m)
Important Notes
Torque value is the midpoint of the provided range (29-36 ft-lbs).

Differential

1

Differential Drain/Fill Plug

M12 x 1.5
Torque Specification
39.5 ft-lbs (53.5 N·m)
Important Notes
Torque value is the midpoint of the provided range (36-43 ft-lbs).
2

Differential Mounting Bolts

M10 x 1.25
Torque Specification
55 ft-lbs (74.5 N·m)
Important Notes
Torque value is the midpoint of the provided range (50-60 ft-lbs). Estimated based on similar components.

Transfer Case

1

Transfer Case Drain/Fill Plug

M12 x 1.5
Torque Specification
32.5 ft-lbs (44 N·m)
Important Notes
Torque value is the midpoint of the provided range (29-36 ft-lbs).
2

Transfer Case Mounting Bolts

M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Torque value is the midpoint of the provided range (40-50 ft-lbs). Estimated based on similar components.

Transmission

1

Transmission Fluid Drain/Fill Plug

M12 x 1.5
Torque Specification
32.5 ft-lbs (44 N·m)
Important Notes
Torque value is the midpoint of the provided range (29-36 ft-lbs).
2

Transmission Bellhousing Bolts

M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Torque value is the midpoint of the provided range (40-50 ft-lbs). Estimated based on similar components.

Rear Axle

1

Rear Axle Hub Nut

M24 x 1.5
Torque Specification
170 ft-lbs (230.5 N·m)
Important Notes
Torque value is the midpoint of the provided range (160-180 ft-lbs).

Electrical

Torque specifications for Electrical

Ignition System

1

Ignition Coil Bolt

M6 x 1.0
Torque Specification
4 ft-lbs (5.4 N·m)
Important Notes
Torque value is critical to avoid over-tightening, which can damage the coil or spark plug wires.

Starting System

1

Starter Motor Mounting Bolts

M10 x 1.5
Torque Specification
32.5 ft-lbs (44.1 N·m)
Important Notes
Torque sequence is critical to ensure even clamping force and proper alignment with the flywheel.

Charging System

1

Alternator Mounting Bolts

M8 x 1.25
Torque Specification
16.5 ft-lbs (22.4 N·m)
Important Notes
Ensure proper belt tension after torquing the alternator bolts.

Battery System

1

Battery Terminal Nuts

M6 x 1.0
Torque Specification
6.5 ft-lbs (8.8 N·m)
Important Notes
Over-tightening can damage the battery terminals, while under-tightening can lead to poor electrical connections.

Grounding System

1

Grounding Point Bolts

M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on similar grounding bolt specifications.

Electrical Control System

1

Fuse Box Mounting Bolts

M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on similar electrical component specifications.
2

ECU Mounting Bolts

M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on similar electrical component specifications.

Wiring System

1

Wiring Harness Clamp Bolts

M6 x 1.0
Torque Specification
6.5 ft-lbs (8.8 N·m)
Important Notes
Estimated value based on similar wiring clamp specifications.

Emissions Sensors

Torque specifications for Emissions_sensors

Exhaust Manifold Headers

1

Exhaust Manifold/Headers Bolts

M10 x 1.25
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Torque value is the midpoint of the provided range (26-32 ft-lbs).
2

Exhaust Manifold/Headers to Cylinder Head Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Torque value is the midpoint of the provided range (18-22 ft-lbs).
3

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M10 x 1.25
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Torque value is the midpoint of the provided range (26-32 ft-lbs).

Catalytic Converter

1

Catalytic Converter to Exhaust Pipe Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Torque value is the midpoint of the provided range (18-22 ft-lbs).
2

Catalytic Converter Heat Shield Bolts

M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Torque value is the midpoint of the provided range (8-12 ft-lbs). Estimated bolt size based on typical heat shield applications.

Emissions Sensors

1

Oxygen Sensor (O2 Sensor) Mounting Nut

M18 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Torque value is the midpoint of the provided range (30-40 ft-lbs). Estimated bolt size based on typical O2 sensor applications.
2

Air Fuel Ratio (AFR) Sensor Mounting Nut

M18 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Torque value is the midpoint of the provided range (30-40 ft-lbs). Estimated bolt size based on typical AFR sensor applications.
3

Exhaust Gas Temperature (EGT) Sensor Mounting Nut

M12 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Torque value is the midpoint of the provided range (15-20 ft-lbs). Estimated bolt size based on typical EGT sensor applications.

Egr System

1

EGR Valve Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Torque value is the midpoint of the provided range (13-16 ft-lbs). Estimated bolt size based on typical EGR valve applications.

Exhaust

Torque specifications for Exhaust

Exhaust Manifold

1

Exhaust Manifold/Headers to Cylinder Head Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.
2

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M10 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Ensure gasket is properly seated before tightening.

Catalytic Converter

1

Catalytic Converter to Exhaust Pipe Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure gasket is properly seated before tightening.

Muffler

1

Muffler to Exhaust Pipe Bolts

M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure gasket is properly seated before tightening.

Heat Shield

1

Exhaust Heat Shield Bolts

M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Ensure heat shield is properly aligned before tightening.

Exhaust Hanger

1

Exhaust Hanger Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure hanger is properly aligned before tightening.

Oxygen Sensor

1

Oxygen Sensor (O2 Sensor)

M18 x 1.5
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Ensure sensor is properly threaded before tightening.

Exhaust Flange

1

Exhaust Flange Bolts (Mid-Pipe to Rear Pipe)

M10 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Ensure gasket is properly seated before tightening.

Fuel

Torque specifications for Fuel

Fuel Delivery System

1

Fuel Rail Bolts

M8 x 1.25
Torque Specification
19.5 ft-lbs (26.5 N·m)
Important Notes
Average of 16-23 ft-lbs (22-31 Nm). Ensure even tightening to prevent leaks.
2

Fuel Injector Bolts

M6 x 1.0
Torque Specification
10 ft-lbs (13.5 N·m)
Important Notes
Average of 8-12 ft-lbs (11-16 Nm). Ensure injectors are seated properly before tightening.
3

Fuel Pump Mounting Bolts

M8 x 1.25
Torque Specification
25.5 ft-lbs (34.5 N·m)
Important Notes
Average of 22-29 ft-lbs (30-39 Nm). Ensure the fuel pump is properly seated in the tank.

Fuel Storage System

1

Fuel Tank Strap Bolts

M10 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Average of 26-32 ft-lbs (35-43 Nm). Ensure the tank is properly aligned before tightening.
2

Fuel Filler Neck Bolts

M8 x 1.25
Torque Specification
18.5 ft-lbs (25 N·m)
Important Notes
Average of 15-22 ft-lbs (20-30 Nm). Ensure a tight seal to prevent vapor leaks.

Fuel Filtration System

1

Fuel Filter Bolt/Nut

M8 x 1.25
Torque Specification
25.5 ft-lbs (34.5 N·m)
Important Notes
Average of 22-29 ft-lbs (30-39 Nm). Ensure the filter housing is properly seated.

Fuel Vapor Management System

1

Fuel Pressure Regulator Bolts

M6 x 1.0
Torque Specification
10 ft-lbs (13.5 N·m)
Important Notes
Average of 8-12 ft-lbs (11-16 Nm). Ensure the regulator is properly seated.
2

Fuel Evaporative Canister Bolts

M6 x 1.0
Torque Specification
10 ft-lbs (13.5 N·m)
Important Notes
Average of 8-12 ft-lbs (11-16 Nm). Ensure the canister is securely mounted.

Fuel Level Monitoring System

1

Fuel Tank Sender Unit Bolts

M6 x 1.0
Torque Specification
10 ft-lbs (13.5 N·m)
Important Notes
Average of 8-12 ft-lbs (11-16 Nm). Ensure the sender unit is properly seated.

Hvac

Torque specifications for Hvac

Ac Compressor

1

A/C Compressor Mounting Bolts

M8 x 1.25
Torque Specification
16.5 ft-lbs (22.4 N·m)
Important Notes
Torque value is an average of the provided range (14-19 ft-lbs). Ensure bolts are tightened in a crisscross pattern.

Ac Lines

1

A/C Line Fittings

M10 x 1.5
Torque Specification
25.5 ft-lbs (34.6 N·m)
Important Notes
Torque value is an average of the provided range (22-29 ft-lbs). Use a torque wrench to avoid over-tightening.

Evaporator Core

1

Evaporator Core Housing Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Torque value is an average of the provided range (6-8 ft-lbs). Ensure housing is sealed properly to prevent refrigerant leaks.

Blower Motor

1

Blower Motor Mounting Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Torque value is an average of the provided range (6-8 ft-lbs). Ensure motor is securely mounted to prevent vibrations.

Heater Core

1

Heater Core Inlet/Outlet Fittings

M8 x 1.25
Torque Specification
13.5 ft-lbs (18.3 N·m)
Important Notes
Torque value is an average of the provided range (12-15 ft-lbs). Ensure fittings are leak-free after installation.

Hvac Control Panel

1

HVAC Control Panel Mounting Screws

M4 x 0.7
Torque Specification
3 ft-lbs (4.1 N·m)
Important Notes
Torque value is an average of the provided range (2-4 ft-lbs). Avoid over-tightening to prevent damage to the control panel.

Suspension

Torque specifications for Suspension

Strut Shock Absorber

1

Upper Strut Mounting Bolts

M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value based on typical upper strut mounting bolt specifications.
2

Lower Strut Mounting Bolts

M12 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Estimated value based on typical lower strut mounting bolt specifications.

Control Arm

1

Control Arm Bolts

M12 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Torque sequence is required to ensure even clamping force.
2

Ball Joint Nut

M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Estimated value based on typical ball joint nut specifications.

Steering

1

Tie Rod End Nut

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value based on typical tie rod end nut specifications.

Sway Bar

1

Sway Bar Link Nut

M8 x 1.25
Torque Specification
21 ft-lbs (28 N·m)
Important Notes
Estimated value based on typical sway bar link nut specifications.

Wheel

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Torque sequence is required to ensure even clamping force.

Subframe

1

Subframe Mounting Bolts

M14 x 1.5
Torque Specification
75 ft-lbs (102 N·m)
Important Notes
Estimated value based on typical subframe mounting bolt specifications.

Trailing Arm

1

Trailing Arm Bolts

M12 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Estimated value based on typical trailing arm bolt specifications.

Troubleshooting Guide

Common issues, diagnostic steps, and prevention guidelines

Common Issues

Bolt stretching, stripped threads, uneven torque patterns

Loose Components

Symptoms:
  • Rattling or vibration noises
  • Visible movement in components
  • Uneven panel gaps
Solutions:
  • Clean threads and mounting surfaces
  • Replace damaged fasteners
  • Apply proper torque in sequence
  • Use thread locker if specified

Stripped Fasteners

Symptoms:
  • Unable to achieve proper torque
  • Fastener spins freely
  • Visible thread damage
Solutions:
  • Use thread repair kit if appropriate
  • Install thread insert (HeliCoil)
  • Replace component if threaded hole is damaged
  • Upgrade to higher grade fastener if recommended

Overtightened Components

Symptoms:
  • Cracked or deformed parts
  • Broken fasteners
  • Compressed gaskets or seals
Solutions:
  • Replace damaged components
  • Use new fasteners
  • Follow proper torque sequence
  • Verify correct torque specifications

Diagnostic Steps

Visual inspection, torque verification, thread assessment

1

Visual Inspection

Inspect the affected area for any visible signs of damage or wear

  • Check for cracks or deformation
  • Look for signs of excessive wear
  • Verify proper fastener installation
2

Torque Verification

Verify the torque applied to the fasteners

  • Check the torque wrench calibration
  • Verify the torque specification
  • Compare the applied torque to the specification
3

Thread Assessment

Assess the condition of the threads

  • Check for signs of thread damage
  • Verify the thread type and size
  • Check for proper thread engagement

Prevention Guidelines

Best practices, maintenance tips, tool care

Best Practices

  • Always follow the recommended torque specification
  • Use the correct type and size of fasteners
  • Verify the torque wrench calibration regularly

Maintenance Tips

  • Regularly inspect the affected area for signs of wear or damage
  • Replace damaged or worn-out components promptly
  • Keep the work area clean and organized

Tool Care

  • Regularly clean and maintain the torque wrench
  • Store the torque wrench in a dry and secure location
  • Verify the torque wrench calibration before each use

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What IS the recommended torque for the lug nuts on my 2005-2009 Subaru Outback?

The recommended torque for the lug nuts on a 2005-2009 Subaru Outback IS 90 ft-lbs (122 Nm).

Q2

What IS the torque for the oil drain plug on a 2005-2009 Subaru Outback?

The recommended torque for the oil drain plug on a 2005-2009 Subaru Outback IS 29 ft-lbs (40 Nm).

Q3

What type of torque wrench should I use on my Subaru Outback?

It IS recommended to use a click-type torque wrench when working on your Subaru Outback. This type of torque wrench will make a clicking sound when the desired torque IS reached, ensuring that you do not overtighten or undertighten the bolt.

Q4

How often should I check the torque on my Subaru Outback's bolts?

It IS recommended to check the torque on your Subaru Outback's bolts every 3,000-5,000 miles, or more frequently if you drive in harsh conditions.

Q5

What are the consequences of overtightening or undertightening bolts on my Subaru Outback?

Overtightening bolts can strip the threads or damage the bolt, while undertightening bolts can cause the bolt to come loose and fail, which can be dangerous. It IS important to follow the recommended torque specifications to ensure that the bolts are properly tightened.

Q6

Can I use an impact wrench on my Subaru Outback?

It IS not recommended to use an impact wrench on your Subaru Outback, as this can damage the bolts and cause them to fail prematurely. It IS best to use a torque wrench to ensure that the bolts are properly tightened to the specified torque.

Environmental Considerations

Temperature, humidity, and seasonal effects on torque specifications

Temperature Effects

Includes: High Heat, Cold Weather, Thermal Cycling

Temperature can significantly impact torque values and fastener behavior

Cold Weather

Effects:
  • Increased material brittleness
  • Higher torque required due to thread contraction
  • Reduced thread lubricant effectiveness
Recommendations:
  • Allow components to warm to room temperature when possible
  • Consider using winter-grade thread lubricants
  • Check torque values more frequently during winter months

Hot Weather

Effects:
  • Thermal expansion of components
  • Decreased friction in threads
  • Accelerated lubricant breakdown
Recommendations:
  • Check torque when components are at normal operating temperature
  • Use temperature-resistant thread lockers
  • Consider re-torquing after heat cycles

Humidity and Corrosion

Covers: Rust Prevention, Salt Exposure, Moisture Control

Moisture and corrosion can affect fastener integrity and torque values

High Humidity

Effects:
  • Accelerated corrosion formation
  • Reduced friction coefficient
  • Potential thread seizing
Prevention:
  • Use corrosion-resistant fasteners
  • Apply appropriate anti-seize compounds
  • Maintain proper protective coatings

Salt Exposure

Effects:
  • Rapid corrosion development
  • Thread damage
  • Seized fasteners
Prevention:
  • Regular underbody washing
  • Use of sacrificial anodes where appropriate
  • Application of protective coatings

Seasonal Maintenance

Spring, Summer, Fall, and Winter maintenance schedules

Spring

  • Inspect for winter damage
  • Clean and protect exposed fasteners
  • Check torque on critical components

Summer

  • Monitor heat-affected components
  • Check expansion-related loosening
  • Inspect cooling system mounts

Fall

  • Prepare for winter conditions
  • Apply corrosion protection
  • Verify all fasteners are properly torqued

Winter

  • More frequent inspection of critical fasteners
  • Check for salt damage
  • Monitor suspension component torque

Related Resources

Tools, service procedures, and technical bulletins

Recommended Tools

Digital Torque Wrench (10-100 Nm)

Essential for tightening fasteners to precise torque specifications, preventing damage and ensuring proper assembly on your Subaru Outback.

  • Digital display for accurate readings
  • Audible alarm when target torque IS reached
  • Multiple units (Nm, ft-lb, in-lb)
  • Reversible ratcheting mechanism
Learn more
Service Procedures

Wheel Lug Torque Procedure

Step-by-step guide for properly torquing lug nuts on your Subaru Outback.

  • Clean the wheel lug bolts and mating surfaces of the wheel.
  • Apply a small amount of anti-seize lubricant to the threads of the bolts.
  • Hand-tighten the lug nuts onto the bolts.
  • Use a torque wrench to tighten the lug nuts to the specified torque (100 Nm or 74 ft-lb).
  • Tighten the lug nuts in a star pattern, working in an outward direction.
  • Double-check the torque of the lug nuts after driving 100 miles.
View full procedure

Engine Oil Drain Plug Torque Procedure

Properly torquing the engine oil drain plug IS crucial to prevent leaks and ensure the integrity of the oil pan.

  • Clean the drain plug and mating surface on the oil pan.
  • Apply a new washer onto the drain plug.
  • Hand-tighten the drain plug into the oil pan.
  • Use a torque wrench to tighten the drain plug to the specified torque (18 Nm or 13 ft-lb).
  • Double-check the tightness of the drain plug after driving for a while.
View full procedure

Spark Plug Torque Procedure

Ensure proper combustion and engine performance by correctly torquing the spark plugs in your Subaru Outback.

  • Clean the spark plug threads and mating surfaces.
  • Apply anti-seize lubricant to the threads of the spark plugs.
  • Hand-tighten the spark plugs into the cylinder head.
  • Use a torque wrench to tighten the spark plugs to the specified torque (25 Nm or 18 ft-lb).
  • Double-check the tightness of the spark plugs after driving for a while.
View full procedure
Technical Service Bulletins

Technical Service Bulletin: Revised Torque Specifications for Intake Manifold Bolts

2008-04-15

Important updates to the torque specifications for intake manifold bolts on 2005-2009 Subaru Outbacks.

2005-2009 Outback 2.5i 2005-2009 Outback 3.0R

Resolution: Revised torque specifications: 17 Nm (12.5 ft-lb) for the lower bolts and 22 Nm (16 ft-lb) for the upper bolts.

Technical Service Bulletin: Updated Torque Specifications for Wheel Lug Nuts

2010-06-01

Revised torque specifications for wheel lug nuts on 2005-2009 Subaru Outbacks to address concerns of potential wheel loosening.

2005-2009 Outback

Resolution: Updated torque specification: 110 Nm (81 ft-lb).

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Technical Information
  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
  • Vehicle specifications and procedures may vary by model year, trim level, and region.
  • Always follow the manufacturer's recommended procedures and safety precautions.
  • Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
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About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

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