Engine Flywheel Installation

Special Tools

• EN-470-B  Angular Torque Wrench
• EN-652  Flywheel Holder

For equivalent regional tools, refer to Special Tools .

Fig 1: Engine Flywheel And Bolts
Courtesy of GENERAL MOTORS COMPANY
1. Install the engine flywheel (1).
2. Install the 6 NEW engine flywheel bolts (2).
Fig 2: Engine Flywheel And Holder
Courtesy of GENERAL MOTORS COMPANY
3. Install EN-652  holder (1) to hold the engine flywheel (2).
CAUTION:

Refer to Fastener Caution .

CAUTION:

Refer to Torque-to-Yield Fastener Caution .

4. Tighten the 6 engine flywheel bolts in a cross sequence to 60 N.m (44 lb ft).
   1. Tighten the 6 engine flywheel bolts in a cross sequence to an additional 45 degrees. Use EN-470-B  wrench.
   2. Tighten the 6 engine flywheel bolts in a cross sequence to an additional 15 degrees. Use EN-470-B  wrench.
5. Remove EN-652  holder.