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Automotive Torque Specifications

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GM Full Size 1970-88

Transmission/Drive Train

Component Torque
Bell Housing-to-Engine Bolts 40 ft. lbs.
Differential Cover Bolts 20 ft. lbs.
Pinion Shaft Lock Bolt 25 ft. lbs.
Pressure Plate-to-Flywheel Bolts 25 ft. lbs.
Tail Cone-to-Transmission Bolts ( Manual ) 46 ft. lbs.
Torque Converter-to-Driveplate Bolts 1970-85 25-35 ft. lbs.
1986-88 46 ft. lbs.
Transmission-to-Bell Housing Bolts 55 ft. lbs.
Transmission-to-Engine Bolts ( Automatic ) 40 ft. lbs.
Transmission Crossmember-to-Frame Bolts 25 ft. lbs.
Transmission Mount-to-Transmission Bolts 30 ft. lbs.
Universal Joint Flange Bolts 70 ft. lbs.
Universal Joint Strap Bolts 15 ft. lbs.
Universal Joint U-bolt Nuts 15 ft. lbs.

Fig. 1 Different methods of attaching driveshaft to differential

Fig. 2 CV joint assembly


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