Remove/install air shutoff valve - AR14.30-P-7200GZS (ML63 AMG)
WARNING: This page does not describe the selected car, but rather 28 other vehicles, including the 2012 Mercedes-Benz GL550, 2012 Mercedes-Benz GL450, 2011 Mercedes-Benz ML63, 2011 Mercedes-Benz ML550, and 2011 Mercedes-Benz ML350. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE 156 in MODEL 164, 251
| Remove/install | |||
|---|---|---|---|
| Risk of injury caused by fingers being pinched or crushed when removing, installing or aligning hoods, doors, trunk lids, tailgates or sliding roof. | Keep body parts and limbs well clear of moving parts. | AS00.00-Z-0011-01A | |
| 1 | Switch ignition off, remove ignition key (transmitter key). | ||
| 2 | Open engine hood | Model 164 | AR88.40-P-1000GZ |
| Model 251 | AR88.40-P-1000RT | ||
| 3 | Remove front engine cover | ||
| Right aspirator shutoff valve | |||
| 4 | Detach pneumatic line (2) and air hose (3) from right air shutoff valve (1) | ||
| 5 | Loosen expansion reservoir for steering and place to one side | AR46.25-P-1000GZS | |
| 6 | Unscrew bolt (4) | *BA14.30-P-1002-03B | |
| 7 | Remove air line (5) from right air shutoff valve (1) | ||
| 8 | Remove screws (6) | *BA14.30-P-1001-03B | |
| 9 | Remove right air shutoff valve (1) | ||
| Left air shutoff valve | |||
| 10 | Detach pneumatic line (10) and air hose (3) from left shutoff valve (11) | ||
| 11 | Remove air pump switchover valve (7) | AR14.30-P-7255GZS | |
| 12 | Remove bolts (8) and lay vacuum unit (9) for variable intake manifold to one side | ||
| 13 | Remove screw (12) | *BA14.30-P-1002-03B | |
| 14 | Remove air line (13) from left air shutoff valve (11) | ||
| 15 | Remove screws (14) | *BA14.30-P-1001-03B | |
| 16 | Remove left air shutoff valve (11) | ||
| 17 | Install in the reverse order | ||
| 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 engine as it is running | Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. |
AS00.00-Z-0005-01A | |
| 18 | Carry out engine test run |
COMBINATION VALVE
| Number | Designation | Engine 156 | ||
|---|---|---|---|---|
| BA14.30-P-1001-03B | Bolt of combination valve to cylinder head | M6 | Nm | 8.5 |
| BA14.30-P-1002-03B | Bolt, air line to combination valve | M8 | Nm | 20 |