Piston Inspection
WARNING: This page is about a different car, the 2016 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Special Tool(s)
| Scraper, Piston Ring Groove 303-D033 (D81L-6002-D) or equivalent |
NOTE:
Do not use a caustic cleaning solution or a wire brush to clean the pistons or damage can occur.
- 1.
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.
- 2.
Use the Piston Ring Groove Scraper to clean the piston ring grooves.- Make sure the oil ring holes are clean.