Engine Flywheel Installation

Special Tools

• EN-652  Flywheel Holder
• EN-45059  Torque Angle Sensor Kit

For equivalent regional tools, refer to Special Tools .

1. Clean the thread in the crankshaft.
Fig 1: Crankshaft Position Reluctor Ring
Courtesy of GENERAL MOTORS COMPANY
2. Install the crankshaft position reluctor ring (1).
Fig 2: Flywheel And Flywheel Holder
Courtesy of GENERAL MOTORS COMPANY
3. Install the flywheel (2).
4. Install the EN-652  holder (1).
Fig 3: Flywheel And Bolts
Courtesy of GENERAL MOTORS COMPANY
CAUTION:

Refer to Fastener Caution .

CAUTION:

Refer to Torque-to-Yield Fastener Caution .

5. Install the 6 NEW flywheel bolts (1, 2) and tighten the bolts in 3 passes using the EN-45059  sensor kit :
   1. First pass to 35 N.m (26 lb ft).
   2. Second pass to additional 30°.
   3. Third pass to an additional 15°.
6. Remove the EN-652  holder.