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Automotive Torque Specifications

Home Jeep Jeep CJs 1949-86

Jeep CJs 1949-86

 

150 Cu In 4 Cylinder Engine (1985-86)
Component Torque
Bellhousing-to-Engine bolts 55 ft. lbs.
Bridged rocker arm pivot bolt 19 ft. lbs.
camshaft sprocket bolts 50 ft. lbs.
carburetor mounting bolts 14 ft. lbs.
crankshaft pulley-to-Vibration damper bolts 20 ft. lbs.
cylinder head bolts 85 ft. lbs.
exhaust manifold bolts 23 ft. lbs.
fan and hub assembly bolts 18 ft. lbs.
flywheel/Driveplate-to-Crankshaft bolts NOTE
intake manifold bolts 23 ft. lbs.
main bearing cap bolts 80 ft. lbs.
oil pump cover bolts 6 ft. lbs.
oil pump mounting bolts short 10 ft. lbs.
long 17 ft. lbs.
oil pan bolts 1/4 X 20 7 ft. lbs.
5/16 x 18 11 ft. lbs.
rod bearing cap nuts 33 ft. lbs.
vibration damper-to-Crankshaft bolt 80 ft. lbs.
water pump bolts 13 ft. lbs.
NOTE: Tighten to 50 ft. lbs., then an additional 60.
Head Bolt Torque Sequence 150cu. in. Engine
Fig. 1 Head Bolt Torque Sequence -150 cu. in. Engine.
Intake/Exhaust Torque Sequence 150 cu. in. Engine
Fig. 2 Intake/Exhaust Torque Sequence - 150 cu. in. Engine.
Upper Engine Components 150 cu. in. Engine
Fig. 3 Upper Engine Components - 150 cu. in. Engine.
Lower Engine Components 150 cu. in. Engine
Fig. 4 Lower Engine Components - 150 cu. in. Engine.
Valve Cover Pry Points 150 cu. in. Engine
Fig. 5 Valve Cover Pry Points - 150 cu. in. Engine.
Timing Mark Alignment 150 cu. in. Engine
Fig. 6 Timing Mark Alignment - 150 cu. in. Engine.
Timing Chain Tensioner 150 cu. in. EngineBefore installing timing chain,
turn tensioner lever to the un-
locked position, pull the block
back and then turn the lever back
to the locked position.
Fig. 7 Timing Chain Tensioner - 150 cu. in. Engine.
Firing Order 1-3-4-2 150 cu. in. EngineFiring order 1-3-4-2
Fig. 8 Firing Order - 150 cu. in. Engine.

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