Cleaning and Inspection Procedure - Required
NOTE:
Perform the following cleaning and inspection or overhaul steps, as necessary. ONLY perform steps when components are removed with the intention of reinstallation.
Clean the crankshaft balancer (1) in solvent.
- Clean the belt grooves of all dirt or debris with a wire brush.
- Dry the crankshaft balancer (1) with compressed air.
- Inspect the crankshaft balancer (1) for the following conditions:
- Worn, grooved, or damaged hub seal surface
- A crankshaft balancer (1) hub seal surface with excessive scoring, grooves, rust or other damage must be replaced.
- Minor imperfections on the crankshaft balancer (1) hub seal surface may be removed with polishing compound or fine grade emery cloth.
- Dirty or damaged belt grooves:
The crankshaft balancer (1) belt grooves should be free of any nicks, gouges, or other damage that may not allow the belt to track properly.
- Minor imperfections may be removed with a fine file.
- Worn, chunking, or deteriorated rubber between the hub and pulley.
NOTE:In order for the belt to track properly, the belt grooves should be free of all dirt or debris.
Clean all excess dirt and debris from the water pump (1).
- Inspect the water pump (1) for the following conditions:
- Water pump gasket and hose sealing surfaces for excessive scratches or gouging
- Restrictions within the internal coolant passages
- Excessive side-to-side play in the pulley shaft
- Leakage at the water inlet housing or rear cover
- Leakage at the water outlet housing or water pump outlet
- Leakage at the water pump vent hole
A stain around the vent hole is acceptable. If leakage or dripping occurs with the engine running and the cooling system pressurized, replace the water pump (1).
- Wear or damage in the belt tracking area of the water pump pulley