Make your own free website on

Automotive Torque Specifications

Home Jeep Jeep CJs 1949-86

Jeep CJs 1949-86


151 Cu. In. 4 Cylinder Engine
Component Torque
alternator bracket-to-Engine bolts 23-30 ft. lbs.
alternator pivot bolt 23-30 ft. lbs.
adapter-to-Intake manifold 10-16 ft. lbs.
Air injection bracket 34-40 ft. lbs.
Air injection manifold screws 29-35 ft. lbs.
Air injection pump adjusting bolt 20 ft. lbs.
Air injection pump mounting bolts 30-40 ft. lbs.
camshaft thrust plate-to-Block screws 4.4-9 ft. lbs.
carburetor-to-Intake manifold nuts 10-16 ft. lbs.
crankshaft pulley hub-to-Crankshaft bolt 157-163 ft. lbs.
crankshaft pulley-to-Crankshaft pulley hub bolts 22-28 ft. lbs.
cylinder head bolts 92 ft. lbs.
distributor clamp bolt 6-12 ft. lbs.
distributor clamp pivot bolt 9-15 ft. lbs.
driveplate-to-Crankshaft bolts (Automatic) 42-48 ft. lbs.
driveplate-to-Torque converter bolts (Automatic) 40 ft. lbs.
EGR valve-to-Manifold 6.6-11 ft. lbs.
exhaust manifold bolts 36-42 ft. lbs.
exhaust pipe-to-Manifold nuts 34-40 ft. lbs.
fan and pulley-to-Water pump 15-21 ft. lbs.
flywheel-to-Crankshaft bolts (Manual) 65-71 ft. lbs.
fuel pump-to-Block 12-18 ft. lbs.
generator adjusting bolt 20-25 ft. lbs.
Intake manifold bolts 34-40 ft. lbs.
main bearing cap bolts 65 ft. lbs.
oil filter adapter-to-Block 32-38 ft. lbs.
oil pan bolts 45-48 ft. lbs.
oil drain plug 23-28 ft. lbs.
oil pump cover bolts 6-12 ft. lbs.
oil pump-to-Block bolts 15-21 ft. lbs.
oil pump-to-Oil pump driveshaft plate bolts 7-13 ft. lbs.
oil screen support nut 25-31 ft. lbs.
oxygen sensor 20-25 ft. lbs.
pushrod cover bolts 4.4-9 ft. lbs.
pressure plate-to-Flywheel bolts 15-22 ft. lbs.
rocker arm cover bolts (Valve cover) 4.4-9 ft. lbs.
rocker arm stud-to-Head 57-63 ft. lbs.
rocker arm-to-Stud nuts 17-23 ft. lbs.
rod bearing cap nuts 30 ft. lbs.
spark plugs 22-33 ft. lbs.
starter bolts 14-20 ft. lbs.
thermostat housing-to-Block bolts 19-25 ft. lbs.
timing cover-to-Oil pan bolts 5 ft. lbs.
timing cover-to-Block bolts 9 ft. lbs.
water outlet-to-Thermostat housing bolts 14-20 ft. lbs.
water pump 14-20 ft. lbs.
Cylinder Head Bolt Torque Sequence
Fig. 1 Cylinder Head Bolt Torque Sequence-151 Cu. In. Engine.
Intake Manifold Bolt Torque Sequence
Fig. 2 Intake Manifold Torque Sequence-151 Cu. In. Engine.
Exhaust Manifold Bolt Torque Sequence
Fig. 3 Exhaust Manifold Bolt Torque Sequence-151 Cu. In. Engine.
Upper Engine Components(Click for bigger Picture)
Fig. 4 Upper Engine Components-151 Cu. In. Engine.
Lower Engine Components(Click for bigger picture)
Fig. 5 Lower Engine Components-151 Cu. In. Engine.
Aligning Timing Marks
Fig. 6 Aligning Timing Marks-151 Cu. In. Engine.
Firing Order 1-3-4-2Firing order 1-3-4-2
Fig. 7 Firing Order and Cylinder Location-151 Cu. In. Engine.

Top of page


For images, go to