Piston Inspection
SPECIAL TOOL(S)
| Piston Ring Groove Cleaner 303-D033 (D81L-6002-D) or equivalent |
CAUTION:
Do not use a caustic cleaning solution or a wire brush to clean the pistons or damage can occur.
- Clean and inspect the (1) ring lands, (2) skirts, (3) pin bosses, and the (4) tops of the pistons. If wear marks, scores or glazing is found on the piston skirt, check for a bent or twisted connecting rod.
- Use the special tool to clean the piston ring grooves.
- Make sure the oil ring holes are clean.