Jeep 1987 Wrangler Workshop Manual page 340

ENGINES
4.2 LITER (258 CID) SIX-CYLINDER ENGINE
TORQUE SPECIFICATIONS
Component
Service Set-To Torque Service Recheck Torque
A/C Compressor Bracket-to-Engine 34 N-m (25 ft-lbs) 24-38 N-m (18 28 ft-lbs)
Alternator Pivot Bolt or Nut 38 N-m (28 ft-lbs)
27-47 N-m (20-35 ft-lbs)
Alternator Adjusting Bolt 24 N-m (18 ft-lbs) 20-27 N-m (15-20 ft-lbs)
Alternator Mounting Bracket-to-
Engine
38 N-m (28 ft-lbs)
31-41 N-m (23-30 ft-lbs)
Alternator Mounting Bolt-to-Head 38 N-m (28 ft-lbs)
31-41 Nm (23-30 ft-lbs)
Block Heater Nut 2 N-m (20 in-lbs)
2-3 N-m (17-25 in-lbs)
Camshaft Sprocket Bolt
108 N-m (80 ft-lbs) 95-122 N-m (70-90 ft-lbs)
Carburetor Hold-Down Nuts
19 N-m (14 ft-lbs) 16-27 N-m (12-20 ft-lbs)
Coil Bracket-to-Cylinder Head Bolt
19 N-m (14 ft-lbs) 14-24 N-m (10-18 ft-lbs)
Connecting Rod Bolt Nuts 45 N-m (33 ft-lbs) 41-47 N-m (30-35 ft-lbs)
Cylinder Head Capscrews 115 N-m (85 ft-lbs) 108-122 N-m (80-90 ft-lbs)
Cylinder Head Cover Nuts 3.2 N-m (28 in-lbs)
2.8-3.5 N-m (25-31 ft-lbs)
Cylinder Head Cover Screws 6.2 N-m (55 in-lbs)
5.0-8.5 N-m (45-75 ft-lbs)
Clutch Cover-to-Flywheel Bolts 54 N-m (40 ft-lbs)
47-61 N-m (35-45 ft-lbs)
Crankshaft Pulley-to-Damper Bolts 27 N-m (20 ft-lbs)
20-34 N-m (15-25 ft-lbs)
Clutch Housing-to-Transmission 38 N-m (28 ft-lbs)
33-43 N-m (24-32 ft-lbs)
Clutch Housing-to-Block Screws
(Bottom)
58 N-m (43 ft-lbs)
50-64 N-m (37-47 ft-lbs)
Clutch Housing-to-Block Screws
(Top)
37 N-m (27 ft-lbs)
30-41 N-m (22-30 ft-lbs)
Distributor Clamp Bracket Screw 18 N-m (13 ft-lbs) 14-24 N-m (10-18 ft-lbs)
Drive Plate-to-Converter Screw 30 N-m (22 ft-lbs) 27-34 N-m (20-25 ft-lbs)
E G R Valve Tube Nuts
41 N-m (30 ft-lbs) 34-47 N-m (25-35 ft-lbs)
E G R Valve Bolts
18 N-m (13 ft-lbs)
12-24 N-m (9-18 ft-lbs)
Engine Front Cushion-to-Sill
Bracket Bolts
40 N-m (30 ft-lbs)
23-47 N-m (17-35 ft-lbs)
Engine Front Cushion-to-Engine
Mounting Bracket
65 N-m (48 ft-lbs)
55-75 N-m (41-55 ft-lbs)
Exhaust Manifold Bolts
31 N-m (23 ft-lbs)
24-38 N-m (18-28 ft-lbs)
Exhaust Pipe-to-Manifold Bolts
27 N-m (20 ft-lbs)
20-34 N-m (15-25 ft-lbs)
Fan and Hub Assembly Bolts 24 N-m (18 ft-lbs)
16-34 N-m (12-25 ft-lbs)
Flywheel or Drive Plate-to-
Crankshaft Bolts
142 N-m (105 ft-lbs) 129-156 N-m (95-115 ft-lbs)
B-106