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Home >> Jeep >> 1987 >> Cherokee Limited >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 4.0L 6-CYL - VIN [M] & 4.2L 6-CYL - VIN [C] >> Torque Specifications

Torque Specifications

TORQUE SPECIFICATIONS

Application Ft. Lbs. (N.m)
Camshaft Sprocket Bolt 80 (109)
Connecting Rod Cap Nut 33 (45)
Crankshaft Pulley-to-Damper Bolt 20 (27)
Cylinder Head Bolt
4.0L
No. 11 100 (135)
All Others 110 (149)
4.2L
No. 11 75 (102)
All Others 85 (115)
Exhaust Pipe-to-Manifold Bolt 20 (27)
Fan & Hub Bolt 18 (24)
Flywheel-to-Crankshaft Bolt 105 (142)
Fuel Rail Bolt 20 (27)
Intake & Exhaust Manifold Bolt
4.0L
Exhaust Manifold Bolts 1-5 23 (31)
Exhaust Manifold Bolts 6-7 17 (23)
Exhaust Manifold Bolts 8-11 23 (31)
Exhaust Manifold Bolts 12-13 30 (41)
4.2L 23 (31)
Main Bearing Cap Bolt
Step 1 40 (54)
Step 2 70 (95)
Step 3 80 (109)
Oil Pump Attaching Bolt
Short 10 (14)
Long 17 (23)
Oxygen Sensor 35 (47)
Rocker Arm Bolt 19 (26)
Vibration Damper Bolt (1) 80 (109)
Water Pump Bolts 13 (18)
INCH Lbs. (N.m.) 
Engine Front Cover
Bolt 60 (7)
Studs 192 (22)
Oil Pan Bolt
1/4" X 20 84 (9)
5/16" X 18 132 (15)
Oil Pump Cover Bolt 70 (8)
Valve Cover Bolt 55 (5)
(1) Clean and lubricate with oil prior to tightening.