Piston Ring End Gap - Incorrect Manual Specifications
Group: 13Number: 94-01
Date: August 1, 1994
Subject:
Piston Ring End Gap Correction
Model(s):
All with AAH engine code
Condition
The piston ring end gap specifications listed in the repair manuals are incorrect.
Service
Checking piston ring end gap
- Push piston ring squarely into lower end of cylinder until it is approx. 15 mm from bottom edge.
The correct piston ring end gap specifications are as follows:
Top = 0.35 mm - 0.50 mm
Center = 0.50 mm - 0.70 mm
Bottom = 0.25 mm - 0.50 mm
Wear limit = 1.0 mm