11 34 552 Removing and installing or replacing all valves (M52 / S52 / M52TU / M54 / M56)
WARNING: This page is about a different variant/trim than selected.
(Cylinder head removed.)
Preliminary tasks are described in 11 12 503 DISASSEMBLING AND ASSEMBLING CYLINDER HEAD (M52 / S52 / M52TU / M54 / M56) .
Replace valve stem seals, refer to 11 34 560 REPLACING ALL VALVE STEM SEALS (M52 / S52 / M52TU / M54 / M56) .
Remove valves from cylinder head.
If necessary, check valve guide for wear, refer to 11 12 595 CHECKING A VALVE GUIDE FOR WEAR (M52 / S52 / M52TU / M54 / M56) .
If necessary, ream valve guide, refer to 11 12 600 REAMING A VALVE GUIDE (M52 / S52 / M52TU / M54 / M56) .
If necessary, remachine valve seat, refer to 11 12 527 REMACHINING A VALVE SEAT (M52 / S52 / M52TU / M54 / M56) .
Arrangement:
- Valve.
- Valve-stem seal.
- Lower plate spring.
- Valve spring.
- Top plate spring.
- Valve tapers.