Valve Guide Seal: Service and Repair

Valve stem seals, replacing (with cylinder head installed)





Special tools, workshop equipment, test and measuring appliances and aux. items required
^ 3122B Plug spanner
^ 3362 Valve spring compressor and press piece 3362/1
^ 3364 Puller
^ VW 653/3 Pressure hose
^ V.A.G 1331 Torque wrench (5 to 50 Nm)
^ V.A.G 1332 Torque wrench (40 to 200 Nm)





^ 3365 Valve stem seal driver

Removing
- Remove camshafts.
- Remove the valve lifters and place them with the contact surface downwards. When doing this make sure that the tappets are not interchanged.
- Remove spark plugs with spark plug spanner 3122B.
- Set piston of appropriate cylinder to "bottom dead center".





- Screw pressure hose VW 653/3 into the spark plug thread.
- Insert thrust piece 3362/1 in valve spring depressor 3362.
- Mount valve spring depressor 3362 with securing bolts screwed in on cylinder head.
- Position installation tool for compressing valve springs to one of the following positions outer intake valves: lower position, center intake valve: upper position, exhaust valve: lower position
- Connect pressure hose to compressed air system supplying at least 6 bar and remove valve springs.





- Pull off valve stem seals with valve stem seal puller 3364.

Installing





- To prevent damage to the new valve stem seals, place plastic sleeve-A-on valve stem.
- Oil sealing lip of valve stem seal-B-insert in installation tool 3365 and carefully push into valve guide.
The rest of the assembly is basically a reverse of the disassembling sequence.