11 12 503 Disassembling and assembling cylinder head (M52 / S52 / M52TU / M54 / M56)
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Special tools required:
NOTE:
For special tools, refer to ENGINE - SPECIAL TOOLS
.
- 00 1 490
- 11 0 192
- 11 0 342
- 11 0 343
- 11 0 345
- 11 1 045
- 11 1 065
- 11 1 067
- 11 1 071
- 11 1 441
- 11 1 442
- (Cylinder head removed)
- If necessary, remove coolant thermostat. See 11 53 000 Removing and installing/replacing coolant thermostat (M52TU / M54 / M56)
Screw on special tool 11 1 442.
Screw special tool 11 1 065 onto special tool 00 1 490.
Provide special tools for disassembling cylinder head:
- special tool 11 1 071.
- special tool 11 1 067.
- special tool 11 0 192.
- special tool 11 1 045.
- special tool 11 0 342.
- special tool 11 0 343.
- special tool 11 0 345.
- special tool 11 1 441.
Assemble special tools.
NOTE:
Do not install special tool 11 1 441 (locating board) in special tool 11 1 065 at this stage.
Place cylinder head on special tool 11 1 065 and screw on with two screws.
Remove all valve springs, refer to 11 34 715 REPLACING ALL VALVE SPRINGS (M52 / S52 / M52TU / M54 / M56) .
Remove all valve stem seals, refer to 11 34 560 REPLACING ALL VALVE STEM SEALS (M52 / S52 / M52TU / M54 / M56) .
Remove all valves, refer to 11 34 552 REMOVING AND INSTALLING OR REPLACING ALL VALVES (M52 / S52 / M52TU / M54 / M56) .