Engine Flywheel Installation (Automatic Transmission)

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 44643 Flywheel Hold Tool
J 45059 Angle Meter

Install the flywheel to the crankshaft.
Install the flywheel washer to the flywheel with the beveled side facing the engine.

Fig 1: View Of Flywheel & Washer (Automatic)

Courtesy of GENERAL MOTORS CORP.

NOTE: This component uses bolts with a pre-applied molybdenum disulfide coating for thread lubrication. Do not remove the coating or use any additional lubricant. Improperly lubricated threads will adversely affect the bolt torque and clamp load. Improper bolt torque and clamp load can lead to engine damage.

Install NEW flywheel bolts.
Install the J 44643 to lock the flywheel.

Fig 2: Locking Flywheel Using J 44643

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Tighten the flywheel bolts in the proper sequence.
Tighten:
- 1st step 79 N.m (59 lb ft).
- 2nd step 60 degrees using J 45059 .
- 3rd step 60 degrees using J 45059 .

Fig 3: Flywheel Bolt Tightening Sequence

Courtesy of GENERAL MOTORS CORP.