Valve Guide Seal: Service and Repair

Valve stem seals, replacing (Cylinder head installed)
Special tools, equipment, test and inspection devices; required accessories

Special Tools:

- Mounting device 2036
- Extruder 3047 A
- Spark plug wrench 3122B
- Press down device 3129
- Mounting lever VW 541/1A
- Thrust piece VW 541/5





- Flexible pressure tubing VW 653/3

Removing
- Remove camshafts.
- Remove valve lifters (do not mix up) and place aside with the running face facing down.
- Remove spark plugs with spark plug wrench 3122 B.
- Bring the piston of each applicable cylinder into the "Bottom Dead Center" (BDC) position.





- Insert mounting device 2036 and adjust the bearing arrangement to the stud bolt height.
- Screw the flexible pressure tubing VW 653/3 into the spark plug thread and provide continuous pressure (min. 6 bar).
- Remove the valve springs with mounting lever VW 541/1A and thrust piece VW 541/5.

Note: Loosen binding valve collets (keepers) by applying light hammer blows to the mounting lever.

- Remove valve stem seals using extruder 3047 A.

Installing





- To avoid damage to the new valve stem seals, push plastic sleeve -A- onto the valve stem.
- Oil valve stem seal -B-, insert it into the press down device 3129 and carefully push onto the valve guide.