Cleaning and Inspection Procedure - Conditional
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 the cover in solvent. Remove the sealant from the front cover to the oil pan surface.
- Dry the cover with compressed air.
- Inspect the gasket sealing surfaces (1) for excessive scratches or gouging.
- Inspect the threaded bolt holes (2, 3, 5) for damaged threads or debris.
- Inspect the camshaft position sensor pass-thru hole and sealing surface (4) for excessive scratches or gouging.
- Inspect the oil flow control valve connector pass-thru hole and sealing surface (6) for excessive scratches or gouging.