Subaru Vehicle Models Subaru Legacy 1994-1999 Torque Specifications
Subaru Vehicle Models Subaru Legacy 1994-1999

Subaru Vehicle Models Subaru Legacy 1994-1999 Torque Specifications

Complete Subaru Vehicle Models Subaru Legacy 1994-1999 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

2.2l H4 Engine

Torque specifications for 2.2L-H4 Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.25
Torque Specification
1. 22 ft-lbs (30 N·m) 2. 27 ft-lbs (37 N·m)
Important Notes
Torque sequence must be followed as per manufacturer guidelines.
2

Valve Cover Bolts

M6 x 1.0
Torque Specification
6.5 ft-lbs (8.8 N·m)
Important Notes
Ensure gasket is properly seated before tightening.

Crankshaft And Bearings

1

Main Bearing Bolts

M10 x 1.25
Torque Specification
58 ft-lbs (79 N·m)
Important Notes
Torque sequence must be followed as per manufacturer guidelines.
2

Connecting Rod Nuts

M8 x 1.25
Torque Specification
34.5 ft-lbs (46.8 N·m)
Important Notes
Ensure rod bearings are properly seated before tightening.
3

Flywheel Bolts

M12 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure flywheel is properly aligned before tightening.

Timing System

1

Timing Belt/Chain Tensioner Bolt

M8 x 1.25
Torque Specification
34.5 ft-lbs (46.8 N·m)
Important Notes
Ensure proper tension is applied to the timing belt/chain before tightening.
2

Camshaft Sprocket Bolt

M12 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure sprocket is properly aligned before tightening.
3

Crankshaft Pulley/Harmonic Balancer Bolt

M14 x 1.5
Torque Specification
126.5 ft-lbs (171.5 N·m)
Important Notes
Ensure pulley is properly aligned before tightening.

Intake And Exhaust

1

Intake Manifold Bolts

M8 x 1.25
Torque Specification
14.5 ft-lbs (19.7 N·m)
Important Notes
Torque sequence must be followed as per manufacturer guidelines.
2

Exhaust Manifold/Headers Bolts

M10 x 1.25
Torque Specification
24.5 ft-lbs (33.2 N·m)
Important Notes
Torque sequence must be followed as per manufacturer guidelines.
3

Fuel Rail Bolts

M6 x 1.0
Torque Specification
24.5 ft-lbs (33.2 N·m)
Important Notes
Ensure fuel injectors are properly seated before tightening.

Oil System

1

Oil Pan Bolts

M6 x 1.0
Torque Specification
5.6 ft-lbs (7.6 N·m)
Important Notes
Torque sequence must be followed as per manufacturer guidelines.
2

Oil Pump Bolts

M8 x 1.25
Torque Specification
14.5 ft-lbs (19.7 N·m)
Important Notes
Ensure oil pump is properly aligned before tightening.
3

Oil Drain Plug Bolt

M14 x 1.5
Torque Specification
32.5 ft-lbs (44.1 N·m)
Important Notes
Ensure new crush washer is installed before tightening.

Ignition System

1

Spark Plugs

M14 x 1.25
Torque Specification
18 ft-lbs (24.4 N·m)
Important Notes
Ensure spark plugs are properly seated before tightening.
2

Ignition Coil Bolt

M6 x 1.0
Torque Specification
6.5 ft-lbs (8.8 N·m)
Important Notes
Ensure ignition coil is properly seated before tightening.

Cooling System

1

Water Pump Bolts

M8 x 1.25
Torque Specification
14.5 ft-lbs (19.7 N·m)
Important Notes
Torque sequence must be followed as per manufacturer guidelines.
2

Thermostat Housing Bolts

M6 x 1.0
Torque Specification
14.5 ft-lbs (19.7 N·m)
Important Notes
Ensure thermostat housing is properly seated before tightening.

Accessory Drives

1

Starter Motor Mounting Bolts

M10 x 1.25
Torque Specification
34.5 ft-lbs (46.8 N·m)
Important Notes
Ensure starter motor is properly aligned before tightening.
2

Alternator Mounting Bolts

M10 x 1.25
Torque Specification
34.5 ft-lbs (46.8 N·m)
Important Notes
Ensure alternator is properly aligned before tightening.
3

Power Steering Pump Mounting Bolts

M10 x 1.25
Torque Specification
34.5 ft-lbs (46.8 N·m)
Important Notes
Ensure power steering pump is properly aligned before tightening.

2.5l H4 Engine

Torque specifications for 2.5L-H4 Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.25
Torque Specification
1. 22 ft-lbs (30 N·m) 2. 27 ft-lbs (37 N·m)
Important Notes
Torque sequence must be followed as specified in the service manual. Failure to follow the sequence may result in head gasket failure.
2

Valve Cover Bolts

M6 x 1.0
Torque Specification
6.5 ft-lbs (8.8 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
57.5 ft-lbs (78 N·m)
Important Notes
Torque sequence must be followed as specified in the service manual. Estimated value based on similar engine designs.
2

Connecting Rod Nuts

M8 x 1.25
Torque Specification
34.5 ft-lbs (46.5 N·m)
Important Notes
Ensure the connecting rod bearings are properly installed before tightening.

Timing System

1

Timing Belt/Chain Tensioner Bolt

M8 x 1.25
Torque Specification
34.5 ft-lbs (46.5 N·m)
Important Notes
Ensure the tensioner is properly aligned before tightening.
2

Camshaft Sprocket Bolt

M12 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure the camshaft sprocket is properly aligned with the timing marks.

Oil System

1

Oil Pan Bolts

M6 x 1.0
Torque Specification
5.6 ft-lbs (7.6 N·m)
Important Notes
Ensure the oil pan gasket is properly seated before tightening.
2

Oil Drain Plug Bolt

M14 x 1.5
Torque Specification
32.5 ft-lbs (44 N·m)
Important Notes
Ensure the drain plug washer is replaced before installation.

4eat Transmission

Torque specifications for 4eat Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M10 x 1.25
Torque Specification
35 ft-lbs (47 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 N·m)
Important Notes
Ensure proper alignment of the transmission with the engine block.
3

Transmission Crossmember Bolts

M12 x 1.75
Torque Specification
58 ft-lbs (78 N·m)
Important Notes
Ensure the crossmember is properly aligned with the chassis.

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 before tightening.
2

Transmission Drain Plug

M14 x 1.5
Torque Specification
34 ft-lbs (46 N·m)
Important Notes
Ensure the drain plug washer is in good condition or replace it.
3

Transmission Fill Plug

M14 x 1.5
Torque Specification
34 ft-lbs (46 N·m)
Important Notes
Ensure the fill plug washer is in good condition or replace it.

Drivetrain Connection

1

Drive Axle/Half Shaft Bolts

M10 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure the drive axles are properly seated before tightening.
2

CV Joint/Axle Nut

M24 x 1.5
Torque Specification
166 ft-lbs (225 N·m)
Important Notes
Ensure the axle is fully seated in the wheel hub before tightening.
3

Propeller/Drive Shaft Bolts

M8 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Ensure the drive shaft is properly aligned with the transmission output flange.

Electrical And Auxiliary

1

Starter Motor Mounting Bolts

M10 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure the starter motor is properly aligned with the transmission housing.
2

Transmission Solenoid Pack Bolts

M6 x 1.0
Torque Specification
6.5 ft-lbs (9 N·m)
Important Notes
Ensure the solenoid pack is properly seated on the valve body.

Torque Converter

1

Torque Converter Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure the torque converter is properly seated on the flexplate.

Shift Control

1

Shift Linkage Bolts

M6 x 1.0
Torque Specification
14.5 ft-lbs (20 N·m)
Important Notes
Ensure the shift linkage is properly aligned with the transmission.

Body

Torque specifications for Body

Suspension And Steering

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Torque in a star pattern to ensure even clamping force.
2

Strut/Shock Absorber Mounting Bolts

M10 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure the vehicle is on a level surface before tightening.
3

Control Arm Bolts

M12 x 1.75
Torque Specification
58 ft-lbs (79 N·m)
Important Notes
Ensure the suspension is at ride height before tightening.
4

Ball Joint Nut

M12 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure the ball joint is properly seated before tightening.
5

Tie Rod End Nut

M10 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure the tie rod end is properly seated before tightening.
6

Sway Bar Link Nut

M10 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure the sway bar link is properly seated before tightening.
7

Steering Gear/Rack Bolts

M12 x 1.75
Torque Specification
58 ft-lbs (79 N·m)
Important Notes
Ensure the steering rack is properly aligned before tightening.

Fuel System

1

Fuel Tank Strap Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure the fuel tank is properly positioned before tightening.
2

Fuel Filler Neck Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure the fuel filler neck is properly aligned before tightening.

Electrical System

1

Battery Terminal Nuts

M6 x 1.0
Torque Specification
3.3 ft-lbs (4.5 N·m)
Important Notes
Ensure the battery terminals are clean and free of corrosion before tightening.

Body Structure

1

Body Mount Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure the body is properly aligned with the chassis before tightening.
2

Seat Belt Anchor Bolts

M10 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure the seat belt anchors are properly aligned before tightening.
3

Door Hinge Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure the door is properly aligned before tightening.
4

Hood Hinge Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure the hood is properly aligned before tightening.
5

Trunk Lid Hinge Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure the trunk lid is properly aligned before tightening.
6

Bumper Mounting Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure the bumper is properly aligned before tightening.
7

Radiator Support Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the radiator is properly positioned before tightening.

Brakes

Torque specifications for Brakes

Brake Caliper

1

Brake Caliper Bolts

M10 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
These bolts secure the brake caliper to the mounting bracket. Ensure proper alignment during installation.
2

Brake Caliper Mounting Bracket Bolts

M12 x 1.25
Torque Specification
58 ft-lbs (79 N·m)
Important Notes
These bolts attach the caliper mounting bracket to the steering knuckle or axle.

Brake Rotor

1

Brake Disc/Drum Retaining Bolts

M12 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
These bolts secure the brake disc (rotor) or drum to the hub. Ensure the rotor is seated properly before torquing.

Brake Hydraulics

1

Brake Hose Banjo Bolt

M10 x 1.0
Torque Specification
19 ft-lbs (26 N·m)
Important Notes
This bolt connects the brake hose to the caliper or brake line. Use new sealing washers during installation.
2

Brake Master Cylinder Mounting Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
These bolts secure the master cylinder to the brake booster. Ensure proper alignment during installation.
3

Brake Bleeder Screws

M8 x 1.0
Torque Specification
9 ft-lbs (12 N·m)
Important Notes
These screws are used to remove air from the brake system. Do not overtighten to avoid damage.

Brake Pedal

1

Brake Pedal Assembly Bolts

M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
These bolts secure the brake pedal assembly to the firewall or pedal box. Ensure proper alignment during installation.

Wheel

1

Wheel Lug Nuts

M12 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
These nuts secure the wheel to the hub. Use a star pattern for tightening to ensure even pressure.

Drivetrain

Torque specifications for Drivetrain

Flywheel

1

Flywheel Bolts

M10 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure the flywheel is properly aligned before torquing. Torque in a star pattern.

Transmission

1

Transmission Mounting Bolts

M8 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure the transmission is properly aligned before torquing.
2

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
5.5 ft-lbs (7.5 N·m)
Important Notes
Torque in a crisscross pattern to ensure even sealing.
3

Transmission Drain and Fill Plugs

M12 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure the plugs are properly seated before torquing.

Drive Axle

1

Drive Axle/Half Shaft Bolts

M8 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure the axle is properly seated before torquing.
2

CV Joint/Axle Nut

M24 x 1.5
Torque Specification
165 ft-lbs (224 N·m)
Important Notes
Ensure the CV joint is properly seated before torquing.
3

Propeller/Drive Shaft Bolts

M8 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Ensure the drive shaft is properly aligned before torquing.

Differential

1

Differential Mounting Bolts

M10 x 1.25
Torque Specification
58 ft-lbs (79 N·m)
Important Notes
Ensure the differential is properly aligned before torquing.
2

Differential Drain/Fill Plug

M12 x 1.5
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Ensure the plugs are properly seated before torquing.

Transfer Case

1

Transfer Case Mounting Bolts

M8 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure the transfer case is properly aligned before torquing.
2

Transfer Case Drain/Fill Plug

M12 x 1.5
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Ensure the plugs are properly seated before torquing.

Rear Axle

1

Rear Axle Hub Nut

M24 x 1.5
Torque Specification
165 ft-lbs (224 N·m)
Important Notes
Ensure the hub is properly seated before torquing.

Transmission Bellhousing

1

Transmission Bellhousing Bolts

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

Electrical

Torque specifications for Electrical

Ignition System

1

Ignition Coil Bolt

M6 x 1.0
Torque Specification
6.5 ft-lbs (8.8 N·m)
Important Notes
Ensure the ignition coil is properly seated before tightening.

Starting System

1

Starter Motor Mounting Bolts

M10 x 1.5
Torque Specification
34.5 ft-lbs (46.8 N·m)
Important Notes
Ensure the starter motor is properly aligned with the flywheel before tightening.

Charging System

1

Alternator Mounting Bolts

M10 x 1.5
Torque Specification
34.5 ft-lbs (46.8 N·m)
Important Notes
Ensure the alternator is properly aligned with the belt before tightening.

Battery System

1

Battery Terminal Nuts

M6 x 1.0
Torque Specification
3.25 ft-lbs (4.4 N·m)
Important Notes
Ensure the terminals are clean and free of corrosion before tightening.

Ac System

1

A/C Compressor Mounting Bolts

M10 x 1.5
Torque Specification
34.5 ft-lbs (46.8 N·m)
Important Notes
Ensure the compressor is properly aligned with the belt before tightening.
2

A/C Line Fittings

M8 x 1.25
Torque Specification
19 ft-lbs (25.8 N·m)
Important Notes
Ensure the fittings are properly seated before tightening.

Grounding System

1

Ground Strap Bolts

M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on similar components. Ensure the grounding point is clean and free of corrosion.

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 components. Ensure the fuse box is properly aligned before tightening.
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 components. Ensure the ECU is properly aligned before tightening.

Sensor System

1

Crankshaft Position Sensor Mounting Bolt

M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on similar components. Ensure the sensor is properly seated before tightening.
2

Camshaft Position Sensor Mounting Bolt

M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on similar components. Ensure the sensor is properly seated before tightening.

Wiring Harness System

1

Wiring Harness Clips/Bolts

M5 x 0.8
Torque Specification
3 ft-lbs (4.1 N·m)
Important Notes
Estimated value based on similar components. Ensure the harness is properly routed before tightening.

Emissions Sensors

Torque specifications for Emissions_sensors

Egr System

1

EGR Valve Bolts

M8 x 1.25
Torque Specification
14.5 ft-lbs (19.6 N·m)
Important Notes
Estimated value based on typical M8 bolt torque specifications for emissions components.
2

EGR Tube Bolts

M8 x 1.25
Torque Specification
14.5 ft-lbs (19.6 N·m)
Important Notes
Estimated value based on typical M8 bolt torque specifications for emissions components.

Exhaust Manifold

1

Exhaust Manifold/Headers Bolts

M10 x 1.5
Torque Specification
1. 22 ft-lbs (30 N·m) 2. 90°
Important Notes
Torque sequence and angle tightening are critical to ensure even clamping force.
2

Exhaust Manifold/Headers to Cylinder Head Bolts

M10 x 1.5
Torque Specification
1. 22 ft-lbs (30 N·m) 2. 90°
Important Notes
Torque sequence and angle tightening are critical to ensure even clamping force.

Exhaust Pipe

1

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M10 x 1.5
Torque Specification
24.5 ft-lbs (33.2 N·m)
Important Notes
Estimated value based on typical M10 bolt torque specifications for exhaust components.
2

Catalytic Converter to Exhaust Pipe Bolts

M10 x 1.5
Torque Specification
24.5 ft-lbs (33.2 N·m)
Important Notes
Estimated value based on typical M10 bolt torque specifications for exhaust components.

Oxygen Sensors

1

Oxygen Sensor (O2 Sensor) Mounting

M18 x 1.5
Torque Specification
24.5 ft-lbs (33.2 N·m)
Important Notes
Estimated value based on typical M18 bolt torque specifications for oxygen sensors.

Catalytic Converter

1

Catalytic Converter Heat Shield Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (10.8 N·m)
Important Notes
Estimated value based on typical M6 bolt torque specifications for heat shields.

Exhaust

Torque specifications for Exhaust

Exhaust Manifold Headers

1

Exhaust Manifold/Headers to Cylinder Head Bolts

M8 x 1.25
Torque Specification
24.5 ft-lbs (33.5 N·m)
Important Notes
Torque value is an average of the provided range (22-27 ft-lbs / 30-37 Nm).
2

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Specification
24.5 ft-lbs (33.5 N·m)
Important Notes
Torque value is an average of the provided range (22-27 ft-lbs / 30-37 Nm).

Catalytic Converter

1

Catalytic Converter to Exhaust Pipe Bolts

M8 x 1.25
Torque Specification
24.5 ft-lbs (33.5 N·m)
Important Notes
Torque value is an average of the provided range (22-27 ft-lbs / 30-37 Nm).

Muffler

1

Muffler to Exhaust Pipe Bolts

M8 x 1.25
Torque Specification
24.5 ft-lbs (33.5 N·m)
Important Notes
Torque value is an average of the provided range (22-27 ft-lbs / 30-37 Nm).

Heat Shield

1

Exhaust Heat Shield Bolts

M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Torque value is an average of the provided range (7-10 ft-lbs / 9.5-13.5 Nm).

Exhaust Hanger

1

Exhaust Hanger Bolts/Nuts

M8 x 1.25
Torque Specification
16 ft-lbs (21.5 N·m)
Important Notes
Torque value is an average of the provided range (14-18 ft-lbs / 19-24 Nm).

Oxygen Sensor

1

Oxygen Sensor (O2 Sensor)

M12 x 1.5
Torque Specification
35 ft-lbs (47.5 N·m)
Important Notes
Torque value is an average of the provided range (30-40 ft-lbs / 40-54 Nm).

Exhaust Flange

1

Exhaust Flange Bolts

M8 x 1.25
Torque Specification
24.5 ft-lbs (33.5 N·m)
Important Notes
Torque value is an average of the provided range (22-27 ft-lbs / 30-37 Nm).

Fuel

Torque specifications for Fuel

Fuel Rail System

1

Fuel Rail Bolts

M8 x 1.25
Torque Specification
24.5 ft-lbs (33.5 N·m)
Important Notes
Torque value is the midpoint of the specified range (22-27 ft-lbs / 30-37 Nm).
2

Fuel Injector Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (10.8 N·m)
Important Notes
Torque value is the midpoint of the specified range (7.2-8.7 ft-lbs / 9.8-11.8 Nm).

Fuel Pump And Tank

1

Fuel Pump Mounting Bolts

M8 x 1.25
Torque Specification
24.5 ft-lbs (33.5 N·m)
Important Notes
Torque value is the midpoint of the specified range (22-27 ft-lbs / 30-37 Nm).
2

Fuel Tank Strap Bolts

M8 x 1.25
Torque Specification
24.5 ft-lbs (33.5 N·m)
Important Notes
Torque value is the midpoint of the specified range (22-27 ft-lbs / 30-37 Nm).
3

Fuel Tank Sender Unit Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (10.8 N·m)
Important Notes
Torque value is the midpoint of the specified range (7.2-8.7 ft-lbs / 9.8-11.8 Nm).

Fuel Delivery System

1

Fuel Filter Bolt/Nut

M6 x 1.0
Torque Specification
14.5 ft-lbs (19.5 N·m)
Important Notes
Torque value is the midpoint of the specified range (13-16 ft-lbs / 17-22 Nm).
2

Fuel Pressure Regulator Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (10.8 N·m)
Important Notes
Torque value is the midpoint of the specified range (7.2-8.7 ft-lbs / 9.8-11.8 Nm).
3

Fuel Line Fittings

M8 x 1.25
Torque Specification
19 ft-lbs (25.5 N·m)
Important Notes
Torque value is the midpoint of the specified range (18-20 ft-lbs / 24-27 Nm).
4

Fuel Return Line Bolts

M6 x 1.0
Torque Specification
14.5 ft-lbs (19.5 N·m)
Important Notes
Torque value is the midpoint of the specified range (13-16 ft-lbs / 17-22 Nm).

Fuel Filler System

1

Fuel Filler Neck Bolts

M8 x 1.25
Torque Specification
24.5 ft-lbs (33.5 N·m)
Important Notes
Torque value is the midpoint of the specified range (22-27 ft-lbs / 30-37 Nm).

Hvac

Torque specifications for Hvac

Ac Compressor

1

A/C Compressor Mounting Bolts

M10 x 1.25
Torque Specification
35 ft-lbs (47 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
19 ft-lbs (26 N·m)
Important Notes
Use a torque wrench to avoid overtightening, which can damage O-rings.

Evaporator Core

1

Evaporator Core Housing Bolts

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

Blower Motor

1

Blower Motor Mounting Bolts

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

Heater Core

1

Heater Core Inlet/Outlet Fittings

M8 x 1.25
Torque Specification
13.5 ft-lbs (18 N·m)
Important Notes
Estimated value based on similar coolant fittings.

Condenser

1

Condenser Mounting Bolts

M8 x 1.25
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Estimated value based on similar mounting bolts in HVAC systems.

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 small screws in HVAC systems.

Suspension

Torque specifications for Suspension

Strut Shock Absorber

1

Strut/Shock Absorber Mounting Bolts

M12 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Torque value is an average of the specified range (58-72 ft-lbs / 79-98 Nm).
2

Lower Strut Mount Bolts

M12 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Torque value is an average of the specified range (58-72 ft-lbs / 79-98 Nm).
3

Upper Strut Mount Nuts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Torque value is an average of the specified range (22-27 ft-lbs / 30-37 Nm).

Control Arms

1

Control Arm Bolts

M12 x 1.5
Torque Specification
58 ft-lbs (78 N·m)
Important Notes
Torque value is an average of the specified range (54-61 ft-lbs / 73-83 Nm).
2

Ball Joint Nut

M12 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Torque value is an average of the specified range (58-72 ft-lbs / 79-98 Nm).

Steering Components

1

Tie Rod End Nut

M10 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Torque value is an average of the specified range (32-37 ft-lbs / 43-50 Nm).
2

Steering Gear/Rack Bolts

M12 x 1.5
Torque Specification
58 ft-lbs (78 N·m)
Important Notes
Torque value is an average of the specified range (54-61 ft-lbs / 73-83 Nm).

Sway Bar

1

Sway Bar Link Nut

M10 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Torque value is an average of the specified range (32-37 ft-lbs / 43-50 Nm).

Wheels

1

Wheel Lug Nuts

M12 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Torque value is an average of the specified range (58-72 ft-lbs / 79-98 Nm). Always use a star pattern when tightening lug nuts.

Rear Suspension

1

Rear Trailing Arm Bolts

M12 x 1.5
Torque Specification
58 ft-lbs (78 N·m)
Important Notes
Torque value is an average of the specified range (54-61 ft-lbs / 73-83 Nm).
2

Rear Lateral Link Bolts

M12 x 1.5
Torque Specification
58 ft-lbs (78 N·m)
Important Notes
Torque value is an average of the specified range (54-61 ft-lbs / 73-83 Nm).

Subframe

1

Subframe Bolts

M12 x 1.5
Torque Specification
58 ft-lbs (78 N·m)
Important Notes
Torque value is an average of the specified range (54-61 ft-lbs / 73-83 Nm). Always follow the manufacturer's recommended torque sequence.

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 a 1996 Subaru Legacy?

The recommended torque for the lug nuts on a 1996 Subaru Legacy IS 79 ft-lbs (107 Nm).

Q2

What IS the correct torque for the spark plugs on a 1999 Subaru Legacy?

The correct torque for the spark plugs on a 1999 Subaru Legacy IS 18 ft-lbs (24 Nm).

Q3

What tools do I need to properly torque the bolts on my 1994 Subaru Legacy?

You will need a torque wrench, a socket wrench, and the appropriate sockets for the bolts you are torquing.

Q4

How often should I check the torque on the bolts on my 1998 Subaru Legacy?

You should check the torque on the bolts on your 1998 Subaru Legacy at least once a year, or more often if you drive in harsh conditions.

Q5

What are the consequences of not properly torquing the bolts on my 1995 Subaru Legacy?

Not properly torquing the bolts on your 1995 Subaru Legacy can lead to the bolts loosening, which can cause serious damage to your vehicle.

Q6

Where can I find more information about torque specifications for my 1997 Subaru Legacy?

You can find more information about torque specifications for your 1997 Subaru Legacy in the vehicle's owner's manual or by consulting a qualified mechanic.

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. This range IS suitable for many applications on the Legacy.

  • 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

Bolt Tightening Sequence for Engine Components

Technical procedure for proper tightening sequence and torque specifications for various engine components on the Legacy.

  • Clean all mating surfaces and apply a thin layer of thread sealant.
  • Tighten the bolts to the specified torque in the correct sequence.
  • Double-check all torque values to ensure proper assembly.
View full procedure

Wheel Lug Nut Torque Specifications

Procedure for tightening wheel lug nuts to the correct torque to ensure proper wheel attachment and safety.

  • Clean the lug nuts and wheel studs.
  • Place the wheel on the hub and tighten the lug nuts by hand as much as possible.
  • Use a torque wrench to tighten the lug nuts to the specified torque.
View full procedure
Technical Service Bulletins

Updated Bolt Torque Specifications for Suspension Components

1999-05-28

Updates torque specifications for suspension components on the Legacy to improve handling and prevent premature wear.

1994-1999 Legacy

Resolution: Refer to the updated torque values provided in the bulletin and follow the service procedure to ensure correct assembly.

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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

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