Engine Flywheel Installation (Manual 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 pilot bearing.

Fig 1: View Of Pilot Bearing (Manual Transmission)

Courtesy of GENERAL MOTORS CORP.

CAUTION: When removing, handling or installing this component wear protective gloves. The sharp edges on the component may be very sharp and may cause injury.

Install the flywheel.

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.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Loosely install NEW flywheel bolts.

Fig 2: View Of Flywheel & Mounting Bolts (Manual)

Courtesy of GENERAL MOTORS CORP.

Install J 44643 to hold the flywheel from rotating.

Fig 3: Locking Flywheel Using J 44643 (Manual Transmission)

Courtesy of GENERAL MOTORS CORP.

Use the following steps and the proper sequence to tighten the flywheel bolts:
Tighten:
1. Tighten the flywheel bolts to 79 N.m (59 lb ft).
2. Tighten the flywheel bolts to 60 degrees using the J 45059 .
3. Tighten the flywheel bolts again to 60 degrees using the J 45059 .

Fig 4: Flywheel Bolt Tightening Sequence

Courtesy of GENERAL MOTORS CORP.

Remove J 44643 .