How to Replace the One Piston And/or Con-Rod Opel Combo C

Remove

1. 1. Remove piston with con-rod

Important. Do not damage piston and con-rod. Use protective jaws.

2. 2. Clamp piston (1) with con-rod (3) in vice
3. 3. Remove 2x piston pin (2) retaining rings
4. 4. Remove piston pin (4) • Push piston pin out of piston and con-rod by hand • Take piston out

Install

Important. When assembling the piston and con-rod, note the cut-out in the piston (2) and the mark (1) on the con-rod

5. 5. Install piston pin • Place piston with pin on con-rod • Push piston pin in until annular groove is freely accessible.

Note. Wet piston pin with engine oil. Push piston pin into the piston by hand until the con-rod can be inserted.

6. 6. Install 2x piston pin retaining rings • Replace 2x retaining ring • Insert 2x retaining ring in annular groove

Note. Note position of the ring joint. Ring joint must be in the area of measurement I (maximum 30°).

7. 7. Adjust 3x piston ring • Arrange joints offset by 120°

8. 8. Remove piston with con-rod from vice
9. 9. Install piston with con-rod