Jeep Vehicle Models Wrangler 1997-2006 Torque Specifications
Jeep Vehicle Models Wrangler 1997-2006

Jeep Vehicle Models Wrangler 1997-2006 Torque Specifications

Complete Jeep Vehicle Models Wrangler 1997-2006 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 I4 Engine

Torque specifications for 2.5L-I4 Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.5
Torque Specification
1. 20 ft-lbs (27 N·m) 2. 90°
Important Notes
Follow the specified torque sequence to ensure proper sealing and prevent warping.
2

Valve Cover Bolts

M6 x 1.0
Torque Specification
3.3 ft-lbs (4.5 N·m)
Important Notes
Use a crisscross pattern to ensure even sealing.

Crankshaft And Bearings

1

Main Bearing Bolts

M12 x 1.75
Torque Specification
100 ft-lbs (136 N·m)
Important Notes
Ensure proper alignment of the crankshaft before tightening.
2

Connecting Rod Nuts

M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Ensure proper alignment of the connecting rods before tightening.

Timing System

1

Timing Belt/Chain Tensioner Bolt

M8 x 1.25
Torque Specification
21 ft-lbs (28 N·m)
Important Notes
Ensure proper tension on the timing belt/chain before tightening.
2

Camshaft Sprocket Bolt

M12 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure the camshaft is properly aligned before tightening.

Intake And Exhaust

1

Intake Manifold Bolts

M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Use a crisscross pattern to ensure even sealing.
2

Exhaust Manifold Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Use a crisscross pattern to ensure even sealing.

Cooling System

1

Water Pump Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure proper alignment of the water pump before tightening.
2

Thermostat Housing Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure proper alignment of the thermostat housing before tightening.

30rh Transmission

Torque specifications for 30rh Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M10 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Ensure the transmission is properly aligned before tightening.

Oil Pan

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
13 ft-lbs (18 N·m)
Important Notes
Use a new gasket and ensure the sealing surface is clean and free of debris.

Fluid Access

1

Transmission Drain Plug

M12 x 1.75
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure the plug is properly sealed to prevent leaks.
2

Transmission Fill Plug

M12 x 1.75
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure the plug is properly sealed to prevent leaks.

Flywheel

1

Flywheel Bolts

M10 x 1.25
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Ensure the flywheel is properly aligned with the crankshaft before tightening.

Torque Converter

1

Torque Converter Bolts

M8 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value based on similar components and bolt sizes.

Bellhousing

1

Bellhousing Bolts

M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value based on similar components and bolt sizes.

Transfer Case

1

Transmission-to-Transfer Case Bolts

M10 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value based on similar components and bolt sizes.

Shift Linkage

1

Shift Linkage Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value based on similar components and bolt sizes.

4.0l I6 Engine

Torque specifications for 4.0L-I6 Engine

Cylinder Head and Engine Block

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
2

Cylinder Head to Engine Block Studs

M14 x 1.5
Torque Specification
30 ft-lbs (41 N·m)

Main Bearings and Crankshaft

1

Main Bearing Bolts

M16 x 1.5
Torque Specification
100 ft-lbs (136 N·m)
2

Main Bearing Cap Bolts

M14 x 1.5
Torque Specification
80 ft-lbs (108 N·m)

Connecting Rods and Pistons

1

Connecting Rod Nuts

M12 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
2

Connecting Rod Bearing Cap Bolts

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

Flywheel and Crankshaft

1

Flywheel Bolts

M14 x 1.5
Torque Specification
85 ft-lbs (115 N·m)

Oil Pan and Engine Block

1

Oil Pan Bolts

M10 x 1.5
Torque Specification
13 ft-lbs (18 N·m)

Valve Train and Cylinder Head

1

Valve Cover Bolts

M8 x 1.25
Torque Specification
40 ft-lbs (4.5 N·m)
Important Notes
Torque value is in inch-lbs, converted to ft-lbs and N·m.
2

Rocker Arms/Shafts Bolts

M10 x 1.5
Torque Specification
21 ft-lbs (28 N·m)

Timing Belt/Chain and Tensioner

1

Timing Belt/Chain Tensioner Bolt

M12 x 1.5
Torque Specification
21 ft-lbs (28 N·m)
2

Camshaft Sprocket Bolt

M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)

Crankshaft Pulley/Harmonic Balancer

1

Crankshaft Pulley/Harmonic Balancer Bolt

M14 x 1.5
Torque Specification
85 ft-lbs (115 N·m)

Throttle Body and Intake Manifold

1

Throttle Body Bolts

M10 x 1.5
Torque Specification
16 ft-lbs (22 N·m)
2

Intake Manifold Bolts

M12 x 1.5
Torque Specification
16 ft-lbs (22 N·m)

Exhaust Manifold/Headers and EGR Valve

1

Exhaust Manifold/Headers Bolts

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
2

EGR Valve Bolts

M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)

Fuel System and Fuel Injectors

1

Fuel Rail Bolts

M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
2

Fuel Injector Bolts

M8 x 1.25
Torque Specification
12 ft-lbs (16 N·m)

Ignition System and Spark Plugs

1

Spark Plugs

M14 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
2

Ignition Coil Bolt

M8 x 1.25
Torque Specification
80 ft-lbs (9 N·m)
Important Notes
Torque value is in inch-lbs, converted to ft-lbs and N·m.

Cooling System and Water Pump

1

Water Pump Bolts

M12 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
2

Water Pump Pulley Bolts

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

Thermostat Housing and Engine Block

1

Thermostat Housing Bolts

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

Oil Filter and Engine Block

1

Oil Filter Cap

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)

Engine Block to Transmission and Engine Mounts

1

Engine Block to Transmission Mounting Bolts

M14 x 1.5
Torque Specification
60 ft-lbs (81 N·m)
2

Engine Block to Engine Mounting Bolts

M12 x 1.5
Torque Specification
40 ft-lbs (54 N·m)

42re Transmission

Torque specifications for 42re Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M14 x 1.5
Torque Specification
45 ft-lbs (61 N·m)

Transmission Case

1

42RE Transmission Case Bolts (upper and lower)

M12 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value based on industry standards.

Transmission Valve Body

1

42RE Transmission Valve Body Bolts

M10 x 1.0
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value based on industry standards.

Transmission Oil Pan

1

Transmission Oil Pan Bolts

M10 x 1.0
Torque Specification
13 ft-lbs (18 N·m)

Transmission Filter

1

42RE Transmission Filter Bolts

M8 x 0.75
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on industry standards.

Transmission Cooler Lines

1

42RE Transmission Cooler Line Fittings

M12 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value based on industry standards.

Transmission Crossmember

1

42RE Transmission Crossmember Bolts

M16 x 1.5
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated value based on industry standards.

Transmission Drain and Fill

1

Transmission Drain and Fill Plugs

M12 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
2

Transmission Fluid Drain/Fill Plug

M12 x 1.25
Torque Specification
25 ft-lbs (34 N·m)

Body

Torque specifications for Body

Suspension

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Secure the strut/shock absorbers to the vehicle's body.
2

Control Arm Bolts

M16 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Attach the control arms to the vehicle's body, maintaining proper suspension geometry.

Steering

1

Steering Gear/Rack Bolts

M14 x 1.5
Torque Specification
75 ft-lbs (102 N·m)
Important Notes
Secure the steering gear/rack to the vehicle's body.

Brake System

1

Brake Caliper Bolts

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Attach the brake calipers to the vehicle's body.
2

Brake Caliper Mounting Bracket Bolts

M14 x 1.5
Torque Specification
75 ft-lbs (102 N·m)
Important Notes
Secure the brake caliper mounting brackets to the vehicle's body.

Body and Frame

1

Body Mount Bolts

M16 x 1.5
Torque Specification
1. 40 ft-lbs (54 N·m) 2. 50 ft-lbs (68 N·m)
Important Notes
Estimated torque values, may vary depending on the specific location and type of body mount.

Doors and Hood

1

Door Hinge Bolts

M12 x 1.5
Torque Specification
1. 20 ft-lbs (27 N·m) 2. 30 ft-lbs (41 N·m)
Important Notes
Estimated torque values, may vary depending on the specific location and type of door hinge.
2

Hood Hinge Bolts

M12 x 1.5
Torque Specification
1. 20 ft-lbs (27 N·m) 2. 30 ft-lbs (41 N·m)
Important Notes
Estimated torque values, may vary depending on the specific location and type of hood hinge.

Bumpers and Fenders

1

Bumper Mounting Bolts

M14 x 1.5
Torque Specification
1. 30 ft-lbs (41 N·m) 2. 40 ft-lbs (54 N·m)
Important Notes
Estimated torque values, may vary depending on the specific location and type of bumper mount.
2

Fender Mounting Bolts

M12 x 1.5
Torque Specification
1. 20 ft-lbs (27 N·m) 2. 30 ft-lbs (41 N·m)
Important Notes
Estimated torque values, may vary depending on the specific location and type of fender mount.

Brakes

Torque specifications for Brakes

Brake Caliper and Mounting

1

Brake Caliper Bolts

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
2

Brake Caliper Mounting Bracket Bolts

M14 x 1.5
Torque Specification
75 ft-lbs (102 N·m)

Brake Disc/Drum and Rotor

1

Brake Disc/Drum Retaining Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
2

Brake Rotor Mounting Bolts (if applicable)

M12 x 1.5
Torque Specification
1. 50 ft-lbs (68 N·m) 2. 70 ft-lbs (95 N·m)
Important Notes
Estimated torque values. Consult the vehicle manufacturer's recommendations or a repair manual for the correct torque values.

Master Cylinder and Brake Hose

1

Master Cylinder Mounting Bolts

M10 x 1.25
Torque Specification
1. 30 ft-lbs (41 N·m) 2. 40 ft-lbs (54 N·m)
Important Notes
Estimated torque values. Consult the vehicle manufacturer's recommendations or a repair manual for the correct torque values.
2

Brake Hose Banjo Bolts

M8 x 1.25
Torque Specification
1. 20 ft-lbs (27 N·m) 2. 30 ft-lbs (41 N·m)
Important Notes
Estimated torque values. Consult the vehicle manufacturer's recommendations or a repair manual for the correct torque values.

Parking Brake and Wheel

1

Parking Brake Cable Mounting Bolts

M8 x 1.25
Torque Specification
1. 20 ft-lbs (27 N·m) 2. 30 ft-lbs (41 N·m)
Important Notes
Estimated torque values. Consult the vehicle manufacturer's recommendations or a repair manual for the correct torque values.
2

Wheel Lug Nuts

M14 x 1.5
Torque Specification
100 ft-lbs (136 N·m)

Drivetrain

Torque specifications for Drivetrain

Engine To Transmission

1

Flywheel Bolts

M12 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Secure the flywheel to the crankshaft.

Transmission Mounting

1

Transmission Mounting Bolts

M14 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Secure the transmission to the engine block or transmission crossmember.

Transmission Oil Pan

1

Transmission Oil Pan Bolts

M10 x 1.0
Torque Specification
13 ft-lbs (18 N·m)
Important Notes
Secure the transmission oil pan to the transmission case.

Transmission Drain And Fill

1

Transmission Drain and Fill Plugs

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Allow for transmission fluid changes and maintenance.

Drive Axle Half Shaft

1

Drive Axle/Half Shaft Bolts

M14 x 1.25
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Secure the drive axles or half shafts to the transmission or differential.

Cv Joint Axle Nut

1

CV Joint/Axle Nut

M16 x 1.5
Torque Specification
175 ft-lbs (237 N·m)
Important Notes
Secure the CV joint to the axle shaft.

Propeller Drive Shaft

1

Propeller/Drive Shaft Bolts

M14 x 1.25
Torque Specification
60 ft-lbs (81 N·m)
Important Notes
Secure the propeller shaft to the transmission or transfer case.

Transfer Case Mounting

1

Transfer Case Mounting Bolts

M14 x 1.25
Torque Specification
60 ft-lbs (81 N·m)
Important Notes
Estimated value. Secure the transfer case to the transmission or engine block.

Transfer Case Drain And Fill

1

Transfer Case Drain/Fill Plug

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Allow for transfer case fluid changes and maintenance.

Differential Mounting

1

Differential Mounting Bolts

M14 x 1.25
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Estimated value. Secure the differential to the axle housing or frame.

Differential Drain And Fill

1

Differential Drain/Fill Plug

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Allow for differential fluid changes and maintenance.

Axle Shaft Retaining

1

Axle Shaft Retaining Bolts

M12 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated value. Secure the axle shafts to the differential or axle housing.

Universal Joint

1

Universal Joint Bolts

M10 x 1.0
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Estimated value. Secure the universal joints to the drive shaft or axle shafts.

Electrical

Torque specifications for Electrical

Alternator And Starter Motor

1

Alternator Mounting Bolts

M12 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
2

Starter Motor Mounting Bolts

M10 x 1.25
Torque Specification
35 ft-lbs (47 N·m)

Battery And Terminals

1

Battery Terminal Nuts

M8 x 1.25
Torque Specification
80 in-lbs (9 N·m)
Important Notes
Note: The recommended torque value is in inch-lbs, not ft-lbs.

Ignition And Fuel Systems

1

Ignition Coil Mounting Bolts

M8 x 1.25
Torque Specification
1. 10 ft-lbs (14 N·m) 2. 15 ft-lbs (20 N·m)
Important Notes
Estimated torque values based on general industry guidelines.
2

Spark Plug Wire Retainer Bolts

M6 x 1.0
Torque Specification
1. 5 ft-lbs (7 N·m) 2. 10 ft-lbs (14 N·m)
Important Notes
Estimated torque values based on general industry guidelines.
3

Fuel Pump Electrical Connector Bolts

M6 x 1.0
Torque Specification
1. 5 ft-lbs (7 N·m) 2. 10 ft-lbs (14 N·m)
Important Notes
Estimated torque values based on general industry guidelines.

Emissions Sensors

Torque specifications for Emissions_sensors

Emissions Control Sensors

1

Oxygen Sensor Bolts

M10 x 1.25
Torque Specification
17.5 ft-lbs (23.7 N·m)
Important Notes
Estimated value, consult service manual for exact specification.
2

Heated Oxygen Sensor (HO2S) Bolts

M10 x 1.25
Torque Specification
17.5 ft-lbs (23.7 N·m)
Important Notes
Estimated value, consult service manual for exact specification.
3

Exhaust Gas Temperature (EGT) Sensor Bolts

M8 x 1.25
Torque Specification
12.5 ft-lbs (16.9 N·m)
Important Notes
Estimated value, consult service manual for exact specification.

Exhaust Gas Recirculation (EGR) Valve

1

EGR Valve Bolts

M12 x 1.75
Torque Specification
25 ft-lbs (33.9 N·m)
Important Notes
Verify the torque specification and adjust as needed.

Exhaust

Torque specifications for Exhaust

Exhaust Manifold Headers

1

Exhaust Manifold/Headers Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.
2

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.

Exhaust Pipe Connections

1

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure gasket is properly seated before tightening.
2

Catalytic Converter to Exhaust Pipe Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure gasket is properly seated before tightening.
3

Muffler to Exhaust Pipe Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure gasket is properly seated before tightening.

Exhaust Support Components

1

Exhaust Hanger Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value based on similar components. Ensure proper alignment to avoid stress on the exhaust system.
2

Heat Shield Bolts

M6 x 1.0
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated value based on similar components. Ensure heat shield is properly aligned to avoid rattling.

Sensors And Flanges

1

Oxygen Sensor (O2 Sensor) Bolts

M12 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value based on similar components. Ensure sensor is properly seated to avoid leaks.
2

Exhaust Flange Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure gasket is properly seated before tightening.

Fuel

Torque specifications for Fuel

Fuel Rail and Injector System

1

Fuel Rail Bolts

M10 x 1.5
Torque Specification
10 ft-lbs (14 N·m)
2

Fuel Injector Bolts

M12 x 1.75
Torque Specification
12 ft-lbs (16 N·m)
3

Fuel Injector Rail Bolts

M9 x 1.25
Torque Specification
9 ft-lbs (12 N·m)

Fuel Pump and Filter System

1

Fuel Pump Mounting Bolts

M14 x 2.0
Torque Specification
30 ft-lbs (41 N·m)
2

Fuel Filter Bolt/Nut

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

Fuel Tank and Vent System

1

Fuel Tank Strap Bolts

M14 x 2.0
Torque Specification
35 ft-lbs (47 N·m)
2

Fuel Filler Neck Bolts

M12 x 1.75
Torque Specification
35 ft-lbs (47 N·m)

Fuel Pressure Regulator and Line Fittings

1

Fuel Pressure Regulator Mounting Bolts

M10 x 1.5
Torque Specification
17.5 ft-lbs (23.75 N·m)
Important Notes
Estimated value based on general industry standards.
2

Fuel Line Fittings

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

Fuel Tank Vent Valve Bolts

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

Hvac

Torque specifications for Hvac

Ac Compressor

1

A/C Compressor Mounting Bolts

M10 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.
2

A/C Line Fittings

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure fittings are clean and free of debris before tightening.

Evaporator Core

1

Evaporator Core Housing Bolts

M6 x 1.0
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated value based on standard practices for M6 bolts in HVAC systems.

Blower Motor

1

Blower Motor Mounting Bolts

M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on standard practices for M6 bolts in HVAC systems.

Heater Core

1

Heater Core Inlet/Outlet Fittings

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value based on standard practices for M8 fittings in HVAC systems.

Control Panel

1

HVAC Control Panel Mounting Screws

M5 x 0.8
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Estimated value based on standard practices for M5 screws in HVAC systems.

Condenser

1

Condenser Mounting Bolts

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on standard practices for M8 bolts in HVAC systems.

Suspension

Torque specifications for Suspension

Front Suspension

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
2

Control Arm Bolts

M16 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
3

Upper Control Arm Bushing Bolts

M12 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value based on similar components and bolt sizes.
4

Lower Control Arm Bushing Bolts

M12 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value based on similar components and bolt sizes.
5

Steering Knuckle Bolts

M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Estimated value based on similar components and bolt sizes.

Steering System

1

Tie Rod End Nut

M12 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
2

Sway Bar Link Nut

M10 x 1.25
Torque Specification
50 ft-lbs (68 N·m)

Suspension Mounting

1

Coil Spring Mounting Bolts

M10 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value based on similar components and bolt sizes.

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 correct torque specification for the lug nuts on a 1997-2006 Jeep Wrangler?

The lug nuts on a 1997-2006 Jeep Wrangler should be tightened to 95 ft-lbs (129 Nm).

Q2

What tools do I need to measure and apply torque correctly?

You will need a torque wrench that IS calibrated to the correct specifications. It IS also recommended to use a torque angle gauge to ensure that the bolt IS tightened to the correct angle.

Q3

Can I use a regular wrench or impact wrench to tighten bolts?

No, it IS not recommended to use a regular wrench or impact wrench to tighten bolts. These tools can overtighten the bolts, which can damage the threads or cause the bolt to break.

Q4

What are the consequences of overtightening or undertightening bolts?

Overtightening bolts can damage the threads, cause the bolt to break, or strip the threads in the mating component. Undertightening bolts can cause the joint to fail, which can lead to serious safety concerns.

Q5

How often should I check the torque on my Jeep Wrangler's bolts?

It IS recommended to check the torque on your Jeep Wrangler's bolts at least once a year, or more often if you drive in harsh conditions.

Q6

Where can I find the torque specifications for other components on my Jeep Wrangler?

The torque specifications for all components on your Jeep Wrangler can be found in the vehicle's service manual.

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)

Ensures precise tightening of fasteners to specified torque values, preventing over-tightening and damage. Suitable for various Wrangler applications.

  • Digital display for accuracy
  • Audible alert upon reaching target torque
  • Multiple torque units (Nm, ft-lb, in-lb)
  • Reversible ratcheting mechanism for ease of use
Learn more

6-Point Socket Set (Metric)

Provides a secure grip on bolts and prevents rounding off. Includes various sizes to accommodate different bolt heads on the Wrangler.

  • 6-point design for maximum grip
  • Heat-treated chrome vanadium steel for durability
  • Sizes ranging from 8mm to 22mm
  • Organizer case for easy storage and transportation
Learn more
Service Procedures

Tightening Engine Cylinder Head Bolts

Detailed instructions for properly tightening the engine cylinder head bolts to prevent leaks and ensure engine integrity.

  • Follow the correct bolt tightening sequence as specified in the service manual.
  • Use a digital torque wrench to tighten the bolts to the specified torque values (typically 80-110 Nm).
  • Tighten the bolts in multiple stages, gradually increasing the torque in each stage.
  • Re-torque the bolts after the engine has cooled to ensure proper seating.
View full procedure

Replacing Front Brake Pads

Step-by-step guide to safely and effectively replace the front brake pads, ensuring optimal braking performance.

  • Jack up the front of the Wrangler and secure it on jack stands.
  • Remove the front wheels.
  • Use a C-clamp to compress the brake caliper pistons.
  • Replace the old brake pads with new ones.
  • Reassemble the components and tighten the bolts to the specified torque (typically 135-170 Nm).
View full procedure
Technical Service Bulletins

Rear Axle Shaft Nut Recall

2005-03-15

Important safety recall addressing a potential issue with the rear axle shaft nut becoming loose, leading to a loss of propulsion.

1997-2006 Jeep Wrangler

Resolution: Dealers are instructed to inspect and, if necessary, tighten the rear axle shaft nut to the correct torque (265-295 Nm).

Power Steering Hose Replacement

2003-07-10

Technical bulletin outlining the replacement procedure for the power steering hose due to potential leaks.

1997-2003 Jeep Wrangler

Resolution: Dealers are advised to replace the power steering hose and tighten the fittings to the specified torque (33-43 Nm).

Legal Disclaimer

Important information about using this content

Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.

General Information
The information provided on this website is for general informational purposes only. While we strive to maintain accuracy in our content, all specifications, procedures, and technical information should be verified against your vehicle's official service manual or with the manufacturer directly.
Warranty & Liability

The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.

We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.

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.
  • If you're unsure about any procedure, consult a qualified professional mechanic.
Intellectual Property
All content, including text, images, and specifications, is protected by copyright and other intellectual property laws. Any unauthorized use or reproduction is prohibited.

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.

Facebook Contact
15+ Years
Experience
500+ Guides
Guides
50+ Makes
Vehicles
1000+ Solutions
Solutions

Diagnostic

Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.

Repair

Expert in both traditional mechanical repairs and modern vehicle systems.

Additional Expertise

Documentation

Created over 500 detailed repair guides and technical documents.

Training

Conducted technical training sessions and contributed to repair databases.

Certifications & Research

Certifications

  • ASE Master Technician Certification
  • Advanced Diagnostic Specialist
  • Hybrid/Electric Vehicle Systems
  • Performance Tuning Expert

Research & Community

Actively researches emerging technologies and contributes to automotive forums.

© 2025 Jeep Specs. All rights reserved.

Privacy Policy Terms of Service