Valve Guide Seal: Service and Repair
Valve stem seals, replacing
(with cylinder head installed)
Special tools, testers and auxiliary items required
^ Spark plug removal tool 3122 B
^ Valve Spring Compressor 3362 and Thrust Piece 3362/1
^ Valve seal removal tool 3364
^ Pressure hose VW 653/3
^ Torque wrench V.A.G 1331
^ Torque wrench V.A.G 1332
^ Valve stem seal driver 3365
Removing
- Remove camshafts.
- Remove valve lifters and place on contact surface when setting down. Be careful not to switch valve lifters.
- Remove spark plugs using spark plug removal tool 3122 B.
- Move piston for respective cylinder to "Bottom Dead Center (BDC) position".
- Install pressure hose VW 653/3 into spark plug thread.
- Place thrust piece 3362/1 into valve spring compressor 3362.
- Using retaining bolts bolted in tool, secure valve spring compressor 3362 to cylinder head.
- Bring Valve Spring Compressor 3362 into this position to press valve springs together.
Outer intake valves: Lower position
Center intake valve: Upper position
Exhaust valve: Lower position
- Connect compressed air hose to a pressure of at least 6 bar and then remove valve springs.
- Remove valve stem seals using valve stem removal tool 3364.
Installing
- Place plastic sleeve - A - on valve stem to prevent damage to new valve stem oil seals.
- Oil sealing lip of valve stem oil seal - B -, insert into valve stem seal driver 3365 and carefully slide onto valve guide.
The rest of assembly is in reverse order of disassembling.