Subaru Vehicle Models Subaru Outback 2000-2004 Torque Specifications
Subaru Vehicle Models Subaru Outback 2000-2004

Subaru Vehicle Models Subaru Outback 2000-2004 Torque Specifications

Complete Subaru Vehicle Models Subaru Outback 2000-2004 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. 15 ft-lbs (20 N·m) 2. 22 ft-lbs (30 N·m)
Important Notes
Follow the manufacturer's specified torque sequence to avoid warping the cylinder head.
2

Valve Cover Bolts

M6 x 1.0
Torque Specification
5.5 ft-lbs (7.5 N·m)
Important Notes
Use a crisscross pattern to ensure even sealing.

Crankshaft And Bearings

1

Main Bearing Bolts

M12 x 1.25
Torque Specification
57.5 ft-lbs (78 N·m)
Important Notes
Follow the specified torque sequence to ensure proper crankshaft alignment.
2

Connecting Rod Nuts

M8 x 1.0
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Ensure proper alignment of the connecting rod caps.

Timing System

1

Timing Belt Tensioner Bolt

M10 x 1.25
Torque Specification
35.5 ft-lbs (48 N·m)
Important Notes
Ensure the timing belt is properly tensioned before tightening.
2

Camshaft Sprocket Bolt

M12 x 1.25
Torque Specification
57.5 ft-lbs (78 N·m)
Important Notes
Ensure the camshaft 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
Use a crisscross pattern to ensure even sealing.
2

Oil Drain Plug

M14 x 1.5
Torque Specification
32.5 ft-lbs (44 N·m)
Important Notes
Replace the crush washer to prevent leaks.

3.0l H6 Engine

Torque specifications for 3.0L-H6 Engine

Cylinder Head and Valvetrain

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
15 ft-lbs (20 N·m)
2

Valve Cover Bolts

M8 x 1.25
Torque Specification
52 inch-lbs (6 N·m)
3

Rocker Arms/Shafts Bolts

M10 x 1.5
Torque Specification
14 ft-lbs (19 N·m)

Engine Block and Bearings

1

Main Bearing Bolts

M14 x 2.0
Torque Specification
54 ft-lbs (73 N·m)
2

Connecting Rod Nuts

M12 x 1.75
Torque Specification
27 ft-lbs (37 N·m)

Timing and Accessory Components

1

Timing Belt/Chain Tensioner Bolt

M10 x 1.5
Torque Specification
33 ft-lbs (45 N·m)
2

Camshaft Sprocket Bolt

M12 x 1.75
Torque Specification
50 ft-lbs (68 N·m)
3

Timing Belt/Chain Guide Rail Bolts

M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on similar components.

Engine Mounting and Accessories

1

Engine Mounting Bolts

M14 x 2.0
Torque Specification
40 ft-lbs (54 N·m)
2

Oil Pump Bolts

M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)

Cooling and Exhaust Components

1

Water Pump Bolts

M10 x 1.5
Torque Specification
12 ft-lbs (16 N·m)
2

Thermostat Housing Bolts

M8 x 1.25
Torque Specification
7 ft-lbs (9 N·m)
3

Exhaust Manifold/Headers Bolts

M12 x 1.75
Torque Specification
25 ft-lbs (34 N·m)

Ignition and Electrical Components

1

Spark Plugs

M14 x 1.25
Torque Specification
14 ft-lbs (19 N·m)
2

Crankshaft Position Sensor Bolt

M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on similar components.
3

Camshaft Position Sensor Bolt

M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on similar components.

4eat Transmission

Torque specifications for 4eat Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M10 x 1.25
Torque Specification
35.5 ft-lbs (48.5 N·m)
Important Notes
Torque value is the midpoint of the specified range (33-38 ft-lbs / 45-52 Nm).
2

Transmission Crossmember Bolts

M12 x 1.75
Torque Specification
52 ft-lbs (70.5 N·m)
Important Notes
Torque value is the midpoint of the specified range (47-57 ft-lbs / 64-77 Nm).

Oil Pan

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
5 ft-lbs (7 N·m)
Important Notes
Torque value is the midpoint of the specified range (4.5-5.5 ft-lbs / 6-8 Nm).
2

Transmission Drain Plug

M14 x 1.5
Torque Specification
32.5 ft-lbs (44 N·m)
Important Notes
Torque value is the midpoint of the specified range (29-36 ft-lbs / 39-49 Nm).
3

Transmission Fill Plug

M14 x 1.5
Torque Specification
32.5 ft-lbs (44 N·m)
Important Notes
Torque value is the midpoint of the specified range (29-36 ft-lbs / 39-49 Nm).

Drivetrain Connections

1

Drive Axle/Half Shaft Bolts

M10 x 1.25
Torque Specification
52 ft-lbs (70.5 N·m)
Important Notes
Torque value is the midpoint of the specified range (47-57 ft-lbs / 64-77 Nm).
2

CV Joint/Axle Nut

M24 x 1.5
Torque Specification
155.5 ft-lbs (211 N·m)
Important Notes
Torque value is the midpoint of the specified range (137-174 ft-lbs / 186-236 Nm).
3

Propeller/Drive Shaft Bolts

M10 x 1.25
Torque Specification
47.5 ft-lbs (64.5 N·m)
Important Notes
Torque value is the midpoint of the specified range (43-52 ft-lbs / 59-71 Nm).

Starter Motor

1

Starter Motor Mounting Bolts

M8 x 1.25
Torque Specification
32.5 ft-lbs (44 N·m)
Important Notes
Torque value is the midpoint of the specified range (29-36 ft-lbs / 39-49 Nm).

Torque Converter

1

Torque Converter Bolts

M8 x 1.25
Torque Specification
25.5 ft-lbs (34.5 N·m)
Important Notes
Torque value is the midpoint of the specified range (22-29 ft-lbs / 30-39 Nm).

Bellhousing

1

Transmission Bellhousing Bolts

M10 x 1.25
Torque Specification
35.5 ft-lbs (48.5 N·m)
Important Notes
Torque value is the midpoint of the specified range (33-38 ft-lbs / 45-52 Nm).

Shift Linkage

1

Shift Linkage Bolts

M6 x 1.0
Torque Specification
16 ft-lbs (21.5 N·m)
Important Notes
Torque value is the midpoint of the specified range (14-18 ft-lbs / 19-24 Nm).

Solenoids

1

Transmission Solenoid Bolts

M5 x 0.8
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Torque value is the midpoint of the specified range (7-10 ft-lbs / 9-14 Nm).

Body

Torque specifications for Body

Suspension System

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Specification
52 ft-lbs (70 N·m)
Important Notes
Estimated average value from the given range.
2

Control Arm Bolts

M16 x 1.5
Torque Specification
76 ft-lbs (103 N·m)
Important Notes
Estimated average value from the given range.
3

Ball Joint Nut

M12 x 1.5
Torque Specification
52 ft-lbs (70 N·m)
Important Notes
Estimated average value from the given range.
4

Tie Rod End Nut

M10 x 1.5
Torque Specification
39 ft-lbs (53 N·m)
Important Notes
Estimated average value from the given range.
5

Sway Bar Link Nut

M8 x 1.25
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Estimated average value from the given range.

Steering System

1

Steering Gear/Rack Bolts

M14 x 1.5
Torque Specification
71 ft-lbs (96 N·m)
Important Notes
Estimated average value from the given range.

Body System

1

Body Mount Bolts

M12 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value based on general industry standards.
2

Fender Bolts

M8 x 1.25
Torque Specification
17 ft-lbs (23 N·m)
Important Notes
Estimated value based on general industry standards.
3

Hood Hinge Bolts

M6 x 1.0
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated value based on general industry standards.
4

Trunk Lid Hinge Bolts

M6 x 1.0
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated value based on general industry standards.
5

Door Hinge Bolts

M8 x 1.25
Torque Specification
17 ft-lbs (23 N·m)
Important Notes
Estimated value based on general industry standards.

Brakes

Torque specifications for Brakes

Brake Caliper

1

Brake Caliper Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure caliper is properly aligned before torquing. Use a crisscross pattern for even tightening.
2

Brake Caliper Mounting Bracket Bolts

M12 x 1.5
Torque Specification
61 ft-lbs (83 N·m)
Important Notes
Ensure bracket is seated properly against the steering knuckle or axle.

Brake Rotor Drum

1

Brake Disc/Drum Retaining Bolts

M8 x 1.25
Torque Specification
48 ft-lbs (65 N·m)
Important Notes
Ensure rotor or drum is seated flush against the hub before torquing.

Brake Hydraulics

1

Brake Hose Banjo Bolt

M10 x 1.0
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Use new sealing washers and ensure banjo fitting is properly aligned.
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.
3

Brake Bleeder Screws

M8 x 1.25
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Do not over-torque to avoid damaging the threads.

Brake Pedal Assembly

1

Brake Pedal Assembly Bolts

M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Ensure pedal assembly is properly aligned with the master cylinder pushrod.

Wheel Assembly

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Use a star pattern for even tightening. Re-torque after 50 miles of driving.

Drivetrain

Torque specifications for Drivetrain

Flywheel And Crankshaft

1

Flywheel Bolts

M10 x 1.25
Torque Specification
48 ft-lbs (65 N·m)
Important Notes
Ensure bolts are tightened in a star pattern to evenly distribute load.

Transmission Mounting

1

Transmission Mounting Bolts

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

Transmission Fluid System

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
5 ft-lbs (7 N·m)
Important Notes
Tighten bolts in a crisscross pattern to prevent warping of the oil pan.
2

Transmission Drain and Fill Plugs

M12 x 1.5
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Ensure plugs are properly sealed to prevent leaks.

Drive Axles And Cv Joints

1

Drive Axle/Half Shaft Bolts

M10 x 1.25
Torque Specification
52 ft-lbs (70 N·m)
Important Notes
Ensure proper alignment of the axle before tightening.
2

CV Joint/Axle Nut

M24 x 1.5
Torque Specification
155 ft-lbs (210 N·m)
Important Notes
Ensure proper seating of the CV joint before tightening.

Propeller Drive Shaft

1

Propeller/Drive Shaft Bolts

M10 x 1.25
Torque Specification
47 ft-lbs (64 N·m)
Important Notes
Tighten bolts in a star pattern to ensure even load distribution.

Differential And Transfer Case

1

Differential Drain/Fill Plug

M12 x 1.5
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Ensure plugs are properly sealed to prevent leaks.
2

Transfer Case Drain/Fill Plug

M12 x 1.5
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Ensure plugs are properly sealed to prevent leaks.
3

Differential Mounting Bolts

M10 x 1.25
Torque Specification
52 ft-lbs (70 N·m)
Important Notes
Ensure proper alignment of the differential before tightening.
4

Transfer Case Mounting Bolts

M8 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure proper alignment of the transfer case before tightening.

Electrical

Torque specifications for Electrical

Ignition System

1

Ignition Coil Bolt

M6 x 1.0
Torque Specification
8.25 ft-lbs (11 N·m)
Important Notes
Torque value is the midpoint of the provided range (7.5-9 ft-lbs / 10-12 Nm).

Starting System

1

Starter Motor Mounting Bolts

M10 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 / 39-49 Nm).

Charging System

1

Alternator Mounting Bolts

M10 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Torque value is the midpoint of the provided range (27-35 ft-lbs / 37-47 Nm).

Battery System

1

Battery Terminal Nuts

M6 x 1.0
Torque Specification
3 ft-lbs (4 N·m)
Important Notes
Torque value is the midpoint of the provided range (2.5-3.5 ft-lbs / 3-5 Nm).
2

Ground Strap Bolts

M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Torque value is the midpoint of the provided range (7-10 ft-lbs / 9-14 Nm). Estimated based on similar electrical grounding components.

Climate Control System

1

A/C Compressor Mounting Bolts

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Torque value is the midpoint of the provided range (20-24 ft-lbs / 27-33 Nm).
2

A/C Line Fittings

M8 x 1.25
Torque Specification
17.5 ft-lbs (23.5 N·m)
Important Notes
Torque value is the midpoint of the provided range (15-20 ft-lbs / 20-27 Nm).

Electrical Control System

1

Fuse Box Mounting Bolts

M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Torque value is the midpoint of the provided range (7-10 ft-lbs / 9-14 Nm). Estimated based on similar electrical components.
2

ECU (Engine Control Unit) Mounting Bolts

M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Torque value is the midpoint of the provided range (7-10 ft-lbs / 9-14 Nm). Estimated based on similar electrical components.
3

Wiring Harness Clamp Bolts

M5 x 0.8
Torque Specification
5 ft-lbs (7 N·m)
Important Notes
Torque value is the midpoint of the provided range (4.5-5.5 ft-lbs / 6-8 Nm). Estimated based on similar electrical components.

Lighting System

1

Headlight Mounting Bolts

M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Torque value is the midpoint of the provided range (7-10 ft-lbs / 9-14 Nm). Estimated based on similar electrical components.

Emissions Sensors

Torque specifications for Emissions_sensors

Egr System

1

EGR Valve Bolts

M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on typical M6 bolt torque for emissions components.

Exhaust Manifold

1

Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Specification
29.5 ft-lbs (40 N·m)
Important Notes
Estimated value based on typical M8 bolt torque for exhaust components.
2

Exhaust Manifold to Cylinder Head Bolts

M8 x 1.25
Torque Specification
18.5 ft-lbs (25 N·m)
Important Notes
Estimated value based on typical M8 bolt torque for exhaust components.

Exhaust Pipe

1

Exhaust Pipe to Exhaust Manifold Bolts

M8 x 1.25
Torque Specification
29.5 ft-lbs (40 N·m)
Important Notes
Estimated value based on typical M8 bolt torque for exhaust components.
2

Catalytic Converter to Exhaust Pipe Bolts

M8 x 1.25
Torque Specification
29.5 ft-lbs (40 N·m)
Important Notes
Estimated value based on typical M8 bolt torque for exhaust components.

Throttle Body

1

Throttle Body Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Estimated value based on typical M6 bolt torque for throttle components.

Intake Manifold

1

Intake Manifold Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24.5 N·m)
Important Notes
Estimated value based on typical M8 bolt torque for intake components.

Oxygen Sensor

1

Oxygen Sensor Mounting Nut

M18 x 1.5
Torque Specification
35 ft-lbs (47.5 N·m)
Important Notes
Estimated value based on typical M18 bolt torque for oxygen sensors.

Maf Sensor

1

MAF Sensor Mounting Screws

M5 x 0.8
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on typical M5 bolt torque for sensor components.

Evap System

1

EVAP Canister Purge Valve Bolts

M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on typical M6 bolt torque for EVAP components.

Heat Shield

1

Catalytic Converter Heat Shield Bolts

M6 x 1.0
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Estimated value based on typical M6 bolt torque for heat shield components.

Exhaust

Torque specifications for Exhaust

Exhaust Manifold Headers

1

Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Torque value is an average of the provided range (25-34 ft-lbs).
2

Exhaust Manifold/Headers to Cylinder Head Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Torque value is an average of the provided range (15-22 ft-lbs).

Exhaust Pipe Connections

1

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Torque value is an average of the provided range (25-34 ft-lbs).
2

Catalytic Converter to Exhaust Pipe Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Torque value is an average of the provided range (25-34 ft-lbs).
3

Muffler to Exhaust Pipe Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Torque value is an average of the provided range (25-34 ft-lbs).

Exhaust Heat Shield

1

Exhaust Heat Shield Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Torque value is an average of the provided range (7-10 ft-lbs).

Exhaust Hanger

1

Exhaust Hanger Bolts

M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Torque value is an average of the provided range (14-18 ft-lbs).

Oxygen Sensor

1

Oxygen Sensor

M18 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Torque value is an average of the provided range (30-40 ft-lbs).

Exhaust Flange

1

Exhaust Flange Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Torque value is an average of the provided range (25-34 ft-lbs).

Fuel

Torque specifications for Fuel

Fuel Delivery System

1

Fuel Rail Bolts

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure even tightening in a crisscross pattern to prevent warping of the fuel rail.
2

Fuel Injector Bolts

M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on similar M6 bolts in fuel systems.
3

Fuel Injector Rail Bolts

M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on similar M6 bolts in fuel systems.
4

Fuel Pump Mounting Bolts

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

Fuel Tank And Accessories

1

Fuel Tank Strap Bolts

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

Fuel Filler Neck Bolts

M6 x 1.0
Torque Specification
5 ft-lbs (7 N·m)
Important Notes
Ensure a proper seal to prevent vapor leaks.
3

Fuel Tank Sender Unit Bolts

M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on similar M6 bolts in fuel systems.

Fuel Filtration And Regulation

1

Fuel Filter Bolt/Nut

M8 x 1.25
Torque Specification
13 ft-lbs (17.5 N·m)
Important Notes
Ensure the filter is properly seated before tightening.
2

Fuel Pressure Regulator Bolts

M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on similar M6 bolts in fuel systems.

Fuel Evaporative System

1

Fuel Evaporative System Canister Bolts

M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on similar M6 bolts in fuel systems.
2

Fuel Line Clamp Bolts

M6 x 1.0
Torque Specification
5 ft-lbs (7 N·m)
Important Notes
Ensure clamps are properly aligned to prevent fuel line damage.

Fuel Line Connections

1

Fuel Line Fittings

M8 x 1.25
Torque Specification
17.5 ft-lbs (23.5 N·m)
Important Notes
Estimated value based on similar M8 bolts in fuel systems.

Hvac

Torque specifications for Hvac

Ac Compressor

1

A/C Compressor Mounting Bolts

M10 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.

Refrigerant Lines

1

A/C Line Fittings

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Use a backup wrench to prevent twisting the refrigerant lines during tightening.

Evaporator Core

1

Evaporator Core Housing Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Estimated value based on similar M6 bolts in HVAC systems.

Blower Motor

1

Blower Motor Mounting Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Estimated value based on similar M6 bolts in HVAC systems.

Heater Core

1

Heater Core Inlet/Outlet Fittings

M8 x 1.25
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Ensure O-rings are properly seated before tightening.

Control Panel

1

HVAC Control Panel Mounting Screws

M4 x 0.7
Torque Specification
3 ft-lbs (4 N·m)
Important Notes
Estimated value based on similar M4 screws in dashboard components.

Expansion Valve

1

Expansion Valve Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Estimated value based on similar M6 bolts in HVAC systems.

Suspension

Torque specifications for Suspension

Strut Shock Absorber

1

Strut/Shock Absorber Mounting Bolts

M10 x 1.25
Torque Specification
52 ft-lbs (70.5 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute load.

Control Arm

1

Control Arm Bolts

M12 x 1.5
Torque Specification
76 ft-lbs (103 N·m)
Important Notes
Ensure bolts are tightened in the specified sequence to avoid misalignment.

Ball Joint

1

Ball Joint Nut

M10 x 1.25
Torque Specification
52 ft-lbs (70.5 N·m)
Important Notes
Ensure the ball joint is properly seated before tightening.

Tie Rod

1

Tie Rod End Nut

M8 x 1.25
Torque Specification
39 ft-lbs (53 N·m)
Important Notes
Ensure the tie rod end is properly seated before tightening.

Sway Bar

1

Sway Bar Link Nut

M8 x 1.25
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Ensure the sway bar link is properly seated before tightening.

Steering Gear

1

Steering Gear/Rack Bolts

M12 x 1.5
Torque Specification
71.5 ft-lbs (97 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute load.

Wheel Lug

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure lug nuts are tightened in a star pattern to evenly distribute load.

Subframe

1

Subframe Mounting Bolts

M14 x 1.5
Torque Specification
80 ft-lbs (108.5 N·m)
Important Notes
Ensure bolts are tightened in the specified sequence to avoid misalignment.

Rear Trailing Arm

1

Rear Trailing Arm Bolts

M12 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure bolts are tightened in the specified sequence to avoid misalignment.

Rear Hub Bearing

1

Rear Hub/Bearing Assembly Bolts

M12 x 1.5
Torque Specification
90 ft-lbs (122 N·m)
Important Notes
Ensure bolts are tightened in the specified sequence to avoid misalignment.

Front Lower Arm

1

Front Lower Arm Bolts

M12 x 1.5
Torque Specification
80 ft-lbs (108.5 N·m)
Important Notes
Ensure bolts are tightened in the specified sequence to avoid misalignment.

Rear Shock Absorber

1

Rear Shock Absorber Mounting Bolts

M10 x 1.25
Torque Specification
55 ft-lbs (74.5 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute load.

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 wheel nuts on a 2000-2004 Subaru Outback?

95 ft-lbs (130 Nm)

Q2

What type of torque wrench should I use for tightening critical bolts on the Outback?

A calibrated click-type torque wrench IS recommended for precise torque application.

Q3

How often should I check and tighten the torque on important bolts, such as suspension and engine mounts?

It IS recommended to inspect and tighten critical bolts according to the Subaru maintenance schedule, or as needed based on driving conditions and vehicle usage.

Q4

What are the potential consequences of using incorrect torque specifications?

Incorrect torque can lead to loose bolts, component failure, and compromised vehicle safety.

Q5

Can I use a standard socket wrench without a torque wrench for tightening bolts?

No, a torque wrench IS essential for accurate torque application and should always be used for critical bolts and fasteners.

Q6

What IS the recommended torque for the oil drain plug on a 2000-2004 Subaru Outback?

29 ft-lbs (39 Nm)

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

Beam Type Torque Wrench

Measures force applied to fasteners. Features audible and physical indicators when set torque IS achieved. Ideal for high-torque applications.

  • Durable steel construction
  • Easy-to-read scale with metric and imperial units
  • preset torque settings for common applications
Learn more

Click Type Torque Wrench

Similar to beam type, but uses a ratcheting mechanism that produces a audible click when desired torque IS achieved. Accurate and efficient.

  • Accurate and precise torque readings
  • Easy-to-use ratcheting mechanism
  • Pre-set torque values for various applications
Learn more

Torque Angle Gauge

Measures the angle of rotation applied to a fastener after it reaches a certain torque value. Ensures proper tightening, especially for critical components.

  • Digital display for accurate readings
  • Adjustable scale for various bolt sizes
  • Compact and portable design
Learn more
Service Procedures

Engine Cylinder Head Bolt Tightening Procedure

Technical procedure specific to Subaru Outback 2000-2004 engine cylinder head bolt tightening.

  • Remove the cylinder head cover.
  • Clean the cylinder head and block mating surfaces.
  • Apply engine oil to the cylinder head bolt threads.
  • Tighten the cylinder head bolts to 29 ft-lbs (40 Nm) in three stages.
  • Reinstall the cylinder head cover.
View full procedure

Front Suspension Component Torque Specifications

Overview of torque specifications for various front suspension components of 2000-2004 Outback.

  • Control arm bolts: 35 ft-lbs (48 Nm)
  • Ball joint nuts: 32 ft-lbs (43 Nm)
  • Sway bar end links: 18 ft-lbs (24 Nm)
  • Strut top nuts: 43 ft-lbs (58 Nm)
  • Strut lower mount bolts: 65 ft-lbs (88 Nm)
View full procedure
Technical Service Bulletins

Cylinder Head Bolt Torque Specification Update

2002-04-15

Updates the torque specifications for cylinder head bolts on 2000-2002 Outback models.

2000-2002 Outback

Resolution: Tighten cylinder head bolts to 31 ft-lbs (42 Nm) in three stages. Replace bolts if removed.

Rear Differential Pinion Nut Torque Specification Correction

2003-06-23

Corrects the torque specification for the rear differential pinion nut on 2003-2004 Outback models.

2003-2004 Outback

Resolution: Tighten the rear differential pinion nut to 106 ft-lbs (144 Nm).

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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.
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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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