Balance Shaft Housing Inspection

WARNING: This page is about a different car, the 2002 Pontiac Sunfire and 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

Clean all parts in cleaning solvent. Remove varnish, sludge and dirt.
Inspect the balance shaft housings for the following conditions:
- Cracks
- Scored bearing bores
- Damaged threaded holes

Fig 1: Balance Gears

Courtesy of GENERAL MOTORS CORP.

If the housings are damaged in any way, replace the entire assembly.