Valve Guide Seal: Service and Repair

Valve stem seals, replacing








Special tools and equipment
^ VAG1331 Torque wrench 5 to 50 Nm (3 7 to 37 ft. lbs.), or equivalent
^ VW 541/1 A Valve lever
^ VW 541/5 Thrust piece
^ VW 653/3 Pressure hose
^ 2036 Assembly fixture
^ 3047A Slide hammer
^ 3122 B Spark plug removal tool
^ 3129 Seal driver
^ T10029 Spark plug connector tool

Removing
(with cylinder head installed)
- Remove camshaft.
- Remove hydraulic lifters and place them with contact surfaces facing downward.

Note: Ensure that the lifters are not interchanged during this step.

- Remove spark plug connectors using T10029 tool. Place spark plug wires aside
- Remove spark plugs using 3122 B tool.
- Set piston of appropriate cylinder to "Bottom Dead Center".





- Fit assembly tool 2036 and adjust mountings to height of studs.
- Screw pressure hose VW 653/3 into spark plug thread.
- Connect pressure hose to an air system with at least 6 bar (87 psi).
- Remove valve springs with VW 541 /1A lever and VW 541/5 press piece.

Note: Tight keepers can be loosened by lightly tapping on the over.





- Pull off valve stem seals using tool 3047A.

Installing





- Place plastic sleeve -A- (supplied with replacement part) on appropriate valve stem.
^ This will prevent the new valve stem seal -B- from being damaged.
- Insert new valve stem seal in 3129 installation tool.
- Oil valve stem seal sealing lip and press carefully onto valve guide.
- Install camshaft.