11 34 560 Replacing all valve stem seals (M52 / S52 / M52TU / M54 / M56)
Special tools required:
- 11 1 200
- 11 1 480
- 11 1 960
(cylinder head removed)
Preliminary tasks are described in Disassembling and assembling cylinder head.
Remove all valve springs.
Remove valve stem seal with special tool 11 1 480.
Lubricate valve stem with oil and insert valve. Fit special tool 11 1 960.
Coat new valve stem seal (1) with oil and install.
Press valve stem seal firmly home by hand with special tool 11 1 200.