Remove/install cylinder head cover - AR01.20-P-5014B: Notes
ENGINE 112
Air filter positioned at vehicle side.
ENGINE 113
Air filter positioned at vehicle side.
Shown on engine 112
| Remove/install | |||
|---|---|---|---|
| Fig 2 | |||
| Fig 3 | |||
| 1 | Remove engine trim panel | ||
| 2 | Remove air filter housing (1). | ||
| 3 | Remove resonance body (2) | ||
| 4 | Remove the resonance tube (3) with hot film mass air flow sensor | At this time pull out the hot film mass air flow sensor plug. Pay attention to the mounting projection of the resonance tube (3)! |
|
| All except model 163 with engine 113.942/981 | AR07.07-P-1454A | ||
| Model 163 with engine 113.942/981 | AR07.07-P-1454MV | ||
| 5 | Unbolt dipstick guide tube of automatic transmission | ||
| 6 | Unbolt ignition coils (6, 7) at cylinder head covers | AR15.12-P-2003A *BA01.20-P-1002-01E |
|
| 7 | Disconnect spark plug connectors | Pay attention to markings for spark plug connectors on cylinder head covers and ignition coils |
Fig 4 |
| 8 | Detach the vacuum hoses at connections (8, 9) of the cylinder head covers | ||
| 9 | Detach crankcase ventilation hose at cylinder head cover fitting (10) | ||
| Risk of explosion caused by ignition of flammable products, risk of poisoning caused by inhaling fuel vapors or swallowing fuel as well as risk of injury to skin and eyes exposed to fuel. | No fire, sparks, open flames or smoking. Pour fuels only into suitable and appropriately marked containers. Wear protective clothing when handling fuel. |
AS47.00-Z-0001-01A | |
| 10 | Disconnect fuel line at fuel rail | Release fuel pressure through service valve! |
|
| *119589046300 | |||
| *BA07.52-P-1001-01A | |||
| *BA07.52-P-1001-01A | |||
| 11 | Remove cylinder head covers (4, 5) | *BA01.20-P-1001-01E | |
Ensure cylinder head cover gasket is correctly installed. |
AR01.20-P-5014-01B | ||
| 12 | Install in the reverse order | ||
13 |
Risk of accident
caused by vehicle starting off by itself when engine is running. Risk of injury
caused by contusions and burns during starting procedure or when working near the running engine Run engine and inspect for leaks |
Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not grasp hot or rotating parts. |
AS00.00-Z-0005-01A |
| Number | Designation | Engine 112.910/911/ 912/913/914/ 915/916/917/ 920/921/922/ 923/940/941/ 942/943/944/ 945/946/947/ 949/951/953/ 954/955/960/ 961/970/972/ 973/975/976 | Engines 113.940/ 941/942/943/ 944/948/960/ 961/962/963/ 964/965/966/ 967/968/969/ 971/980/981/ 982/984/986/ 992/995 | Engine 113.987/988/ 990/991/993 | |
|---|---|---|---|---|---|
| BA01.20-P-1001-01E | Screw of cylinder head cover | Nm | 8 | 10 | 8 |
| BA01.20-P-1002-01E | Bolt of ignition coils to cylinder head cover | Nm | 8 | 8 | 8 |
| Number | Designation | Engine 112 except 112.945/951/ 960/961 | Engine 112.945 | Engine 112.960/ 976 | Engine 112.960/ 961 AMG | |
|---|---|---|---|---|---|---|
| BA07.52-P-1001-01A | Disconnect fuel feed line at fuel rail | Nm | 38 | 38 | 24 | 35 |
| Number | Designation | Engine 113.987 | Engines 113.990/ 991 | Engine 113.990/ 993/995 | Engines 113.990/ 942/943/944/ 945/946/948/ 960/961/962/ 963/964/965/ 966/967/968/ 969/971/980/ 981/982/984/ 986/988 | |
|---|---|---|---|---|---|---|
| BA07.52-P-1001-01A | Disconnect fuel feed line at fuel rail | Nm | 38 | 38 | 38 | 38 |