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Home >> GMC >> 1989 >> Value Van P3500, 4.8 T, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 5.0L (305") V8 - VIN [H] >> Torque Specifications

Torque Specifications

TORQUE SPECIFICATIONS

Application Ft. Lbs. (N.m)
Bellhousing Bolts 32 (44)
Camshaft Sprocket Bolts 21 (28)
Connecting Rod Nuts 45 (60)
Cylinder Head Bolts (1) 65 (90)
Exhaust Manifold Bolts (2) 20 (28)
Stainless Steel Manifold Bolts 26 (36)
Flex Plate-to-Converter 35 (47)
Flywheel Bolts 75 (100)
Front Mount-to-Chassis 35 (47)
Front Mount-to-Engine 36 (49)
Front Mount Through Bolt 85 (115)
Intake Manifold Bolts (3) 35 (48)
Main Bearing Cap Bolts (4) 80 (110)
Oil Pump Bolts 65 (90)
Rear Mount-to-Crossmember 36 (49)
Rear Mount-to-Transmission 36 (49)
Vibration Damper Bolt 70 (95)
Water Outlet Bolts 21 (28)
Water Pump Bolts 30 (40)
INCH Lbs. (N.m) 
Front Cover Bolts 96-113 (11)
Oil Pan-to-Block Bolts 100 (11)
Oil Pan-to-Block Nuts 200 (22)
Oil Pump Cover Bolts 80 (9)
Rear Oil Seal Retainer Nuts 135 (15)
Valve Cover Bolts 90 (10)
Valve Cover Studs-to-Head 15 (2)
(1) Tighten in sequence. See Figure.
(2) Tighten 2 center bolts to 26 ft. lbs. (35 N.m).
(3) Tighten in sequence. See Figure
(4) Tighten outer cap bolts on Nos. 2, 3 and 4 to 70 ft. (95 N.m).