Sierra 1500 4WD V6-4.3L (2008)
Flex Plate: Service and Repair
Engine Flywheel Replacement
Removal Procedure
1. Remove the automatic transmission. Refer to Transmission Replacement .
2. Remove the flywheel bolts.
3. Remove the flywheel (1 or 2).
4. Clean and inspect the flywheel, if necessary. Refer to Engine Flywheel Cleaning and Inspection (See: Engine, Cooling and
Exhaust/Engine/Service and Repair/Overhaul) .
Installation Procedure
Flywheel
Important: Flywheel weights of the same length must be installed into the NEW flywheel in the same location as the old weights were in
the old flywheel.
1. Note the position of the old flywheel weights and install the NEW flywheel weights as required.
A properly installed flywheel weight will be flush or slightly below flush with the face of the flywheel.
2. Install the flywheel (1 or 2).
Align the flywheel locator hole to the flywheel locator pin.