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Torque Specs:
If you work on your Jeep any at all you need a torque wrench. Did you know that the number one cause of warped rotors is improperly tightened lug nuts? Every fastener on your Jeep has a torque spec, some of these are critical, some are not so critical. Note that a torque wrench is a calibrated tool, never use it as a breaker bar and never store it with it adjusted tight, always back it off to its lowest setting when storing it. Also note that some of these specs are in in-lbs and some are in ft-lbs, there is a huge difference between the two, pay close attention to this.
 
YJ - TJ Common Torque Specs
Spark Plugs 27 ft-lbs
Oil Drain Plug 6-cylinder 30 ft-lbs
Oil Drain Plug 4-cylinder 25 ft-lbs
Automatic Transmission Pan Bolts 12 ft-lbs
Manual Transmission Fill Plug 18 - 25 ft-lbs
Manual Transmission Drain Plug 18 - 25 ft-lbs
Transfer Case Fill Plug 22 ft-lbs
Transfer Case Drain Plug 22 ft-lbs
Diff Cover Bolts 35 ft-lbs
Diff Fill Plug 25 ft-lbs
Lug Nuts 85 - 95 ft-lbs
Oxygen Sensor 22 ft-lbs
2.5 4-cylinder
88 and older Head Bolts (except front driverside bolt) 85 ft-lbs.
88 and older Front Driverside Head Bolt 75 ft-lbs
89 and newer Head Bolts (except front driverside bolt) 110 ft-lbs.
89 and newer Front Driverside Head Bolt 100 ft-lbs
Flywheel Bolts 50 ft-lbs + 60 degrees
Flexplate Bolts 40 ft-lbs + 60 degrees
Intake Manifold Bolts 23 ft-lbs
Oil Pan Bolts 7/16 Head 7 ft-lbs
Oil Pan Bolts 1/2 Head 11 ft-lbs
Valve Cover (Cork with RTV) 55 in-lbs
Valve Cover (Rubber) 44 in-lbs
Water Pump Bolts 13 ft-lbs
Fan Clutch to Water Pump 15 - 22 ft-lbs
Fan to Fan Clutch 18 ft-lbs
Thermostat Housing Bolts 13 ft-lbs
4.0 and 4.2 6-cylinder
Head Bolts 4.2 85 ft-lbs
Head Bolts 4.0 Except front driverside 110 ft-lbs
Front Driverside Head Bolt 4.0 100
Flywheel Bolts 105 ft-lbs
Flexplate Bolts 105 ft-lbs
Intake/Exhaust Manifold Bolts (Except bottom out two) 23 ft-lbs
Bottom Outer Two Intake/Exhaust Manifold Bolts 17 ft-lbs
Oil Pan Bolts 7/16 Head 84 in-lbs
Oil Pan Bolts 1/2 Head 132 in-lbs
Valve Cover (Cork with RTV) 28 in-lbs
Valve Cover (Rubber) 55 in-lbs
Water Pump Bolts 9 - 18 ft-lbs
Fan Clutch to Water Pump 18 ft-lbs
Fan to Fan Clutch 18 ft-lbs
Thermostat Housing Bolts 13 ft-lbs
Manual Transmissions
Bellhousing Bolts 3/8 Bolts 27 ft-lbs
Bellhousing Bolts 7/16 Bolts 43 ft-lbs
Bellhousing Bolts M12 Bolts 55 ft-lbs
4-cylinder Pressure Plate Bolts 23 ft-lbs
6-cylinder Pressure Plate Bolts 40 ft-lbs
Automatic Transmissions
Bellhousing Bolts M10 Bolts 25 ft-lbs
Bellhousing Bolts M12 Bolts 42 ft-lbs
Torque Converter to Flexplate Nuts 40 ft-lbs
Transfer Case
Transfer Case to Transmission Nuts 26 ft-lbs
YJ - TJ Dana 30 - 35
U-joint Strap Bolts 14 ft-lbs
Vacuum Disconnect Bolts 108 in-lbs
Hub Bearing to Steering Knuckle Bolts 75 ft-lbs
Front axleshaft Hub Nut 175 ft-lbs
Brakes
Brake Caliper Bolts 87-89 25 - 35 ft-lbs
Brake Caliper Bolts 90 - 06 132 in-lbs
Banjo Bolt Front Calipers 23 ft-lbs
YJ Suspension
Shackle Bolts - Spring Side 95 ft-lbs
Shackle Bolts - Frame Side 105 ft-lbs
Shock Bolts 40 ft-lbs
TJ Suspension
Upper Control Arm Bolts 55 ft-lbs
Upper Control Arm Bolts 55 ft-lbs
Front Lower Control Arm Bolts (Axle Side) 85 ft-lbs
Front Lower Control Arm Bolts (Frame Side) 130 ft-lbs
Rear Lower Control Arm Bolts 130 ft-lbs
Steering
Pitman Arm Nut 185 ft-lbs
Gear Box Mounting Bolts 65 ft-lbs
Tie-Rod Nuts 35 ft-lbs
Tie-Rod Adjustment Clamp Nuts 14 ft-lbs

 
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