- Clean the crankshaft balancer (1) in solvent.
 
Caution: Wear safety glasses in order to avoid eye damage.
- Dry the crankshaft balancer with compressed air.
 
- Inspect the crankshaft balancer for the following:
 
| •  | Worn or damaged bolt hole thread(s) | 
 
| •  | Worn, grooved, or damaged hub seal surface | 
 
|    -  | Minor imperfections on the hub seal surface may be removed with
a polishing compound or fine grade emery cloth. | 
 
|    -  | A crankshaft balancer hub seal surface with excessive scoring,
grooves, rust, or other damage must be replaced. | 
 
| •  | Worn, chunking, or deteriorated rubber between the hub and pulley | 
 
| •  | Worn or damaged keyway (2) | 
 
- Repair or replace the crankshaft balancer as necessary.