11 34 560 Replacing all valve stem seals (W10/W11)
Special tools required:
- 11 1 130
- 11 1 380
- 11 1 480
- 11 8 421
- 11 9 000
Necessary preliminary tasks:
- Remove cylinder head cover. Refer to 11 12 000 Removing and installing, sealing cylinder head cover (COOPER S) .
- Remove camshaft. Refer to 11 31 001 Replacing camshaft .
Mount cylinder head on special tool 11 9 000.
Press down with special tool 11 8 421.
Remove valve collets (1).
Remove all valve springs.
Press special tool 11 1 480 onto valve stem seal (1).
Remove the valve stem seal by turning and simultaneously pulling with the special tool 11 1 480.
Fit special tool 11 1 380.
Fit new valve stem seal (1).
Installation:
Oil valve stem and valve stem seal.
Press on valve stem seal with special tool 11 1 130 as far as it will go.
Installation:
Valve stem seal must be flush.
Assemble engine.