P01.30-2023-06
Shown on engine with camshaft adjustment
1 Combination bolt M835
1a Fitting sleeve
2 Combination bolt M622
3 O-ring
23 Cover at front of cylinder head
30 Coolant thermostat housing
Y32 Secondary air injection switchover valve
| Remove/install | ||
1 | Remove cylinder head cover | Installation: Inspect for leaks with engine running | |
Ensure cylinder head cover gasket is correctly installed | |||
2 | Remove coolant thermostat housing (30) | ||
3.1 | Unscrew air injection (Y32) switchover valve | On engines with air injection | |
4 | Unscrew, remove cover (23) at top front | For this step, on engine 111 with compressor: Pull out connector at compressor and bypass valve at front cover. Unscrew bracket for compressor line at front cover Installation: Clean sealing surfaces. Coat cover (23) at sealing surface to cylinder head with sealant, replace O-ring (3). | |
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5 | Install in the reverse order |
Cylinder head
Repair materials
Number | Designation | Order number |
BR00.45-Z-1012-01A | Omnifit FD 3041 sealant | A 002 989 47 20 10 |