Valve Guide Seal: Service and Repair

VALVE STEM SEALS REPLACING

With cylinder head installed
- Remove camshafts
- Remove the hydraulic lifters, lay in a clean protected area with the contact surfaces downward
- Remove the spark plugs
- Locate the piston for the cylinder being worked on to the BDC position
- Install pressure hose adaptor VW 653/3 in the spark plug hole for that cylinder and apply a pressure of at least 87 psi
- Position assembly tool 2036 and adjust the bearing to stud height.
- Remove the valve springs using lever tool VW 541/1A and pressure piece VW 541/5


NOTE: If the valve keepers are hard to remove, tap lightly on the top of the valve assembly with a hammer.







Intake side


NOTE: To prevent the lever from sliding off the support tool, place the lever notch at a distance of "a" = 50 mm.







Exhaust side
- Remove the valve stem seal using tool 3047A (not shown)







- To prevent damage to the new seals during installation, install plastic adaptor sleeve -A- over the top of the valve guide
- Lubricate the new seal -B-, insert into tool 3129 and carefully slide over adaptor -A- onto the valve guide