Engine Flywheel Installation (Automatic Transmission)

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools

J 44643: Flywheel Hold Tool
J 45059: Angle Meter

For equivalent regional tools, refer to Special Tools .

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.

CAUTION: 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: tool to lock the flywheel.

Fig 3: Flywheel Bolt Tightening Sequence

Courtesy of GENERAL MOTORS CORP.

CAUTION: Refer to Fastener Caution .

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