Engine Flywheel Installation

Special Tools

• EN-45059  Angle Meter
• EN-46106  Engine Flywheel Holding Tool

For equivalent regional tools, refer to Special Tools .

Fig 1: Engine Flywheel And Bolts

Courtesy of GENERAL MOTORS COMPANY

1. Place the flex plate (2) in position on the crankshaft.
CAUTION:

This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

2. Install 2 NEW bolts (1) in location at the top and bottom of the flex plate bolt pattern allowing the flex plate (2) to hang in position.
Fig 2: Flywheel Holding Fixture
Courtesy of GENERAL MOTORS COMPANY
3. Install the EN-46106  tool.
Fig 3: Engine Flywheel And Bolts
Courtesy of GENERAL MOTORS COMPANY
CAUTION:

Refer to Fastener Caution .

4. Install the remaining NEW flex plate bolts (1).
   1. Tighten the NEW flex plate bolts (1) to 30 N.m (22 lb ft).
   2. Tighten the NEW flex plate bolts (1) an additional 45 degrees using the EN-45059  meter.
Fig 4: Flywheel Holding Fixture
Courtesy of GENERAL MOTORS COMPANY
5. Remove the EN-46106  tool.