Crankshaft Balancer Cleaning and Inspection
WARNING: This page is about a different car, the 2002 GMC Savana and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Refer to SAFETY GLASSES CAUTION
.
- Clean the crankshaft balancer in cleaning solvent.
- Dry the crankshaft balancer with compressed air.
- Inspect the crankshaft balancer for the following:
- Loose or improperly installed crankshaft balancer front groove pin (1)
A properly installed front groove pin should be installed until flush or below flush with the face of the crankshaft balancer.
Important: A crankshaft front oil sealing surface with excessive scoring, grooves, rust, or other damage must be replaced.
- Worn, grooved, or damaged crankshaft front oil sealing surface (2)
Minor imperfections on the crankshaft balancer crankshaft front oil seal surface may be removed with a polishing compound or fine grade emery cloth.
- Worn, chunking, or deteriorated rubber (3) between the hub and the outer ring
- Worn or damaged keyway (4)
- Worn or damaged bolt hole threads (5)
- Loose or improperly installed crankshaft balancer front groove pin (1)