Engine Flywheel Installation (Automatic Transmission): Installation

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Flywheel & Washer (Automatic)

Courtesy of GENERAL MOTORS CORP.

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

NOTE: This component uses bolts with a preapplied 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.

Fig 2: Locking Flywheel Using J 44643

Courtesy of GENERAL MOTORS CORP.

Install the J 44643 to lock the flywheel. See Special Tools .

Fig 3: Flywheel Bolt Tightening Sequence

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice .

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 .