Remove/install power steering pump - AR46.30-P-0500GW
MODEL 463 with ENGINE 157
| Remove/install | |||
| Risk of injury to skin or eyes caused by hydraulic fluid spraying out under high pressure. Risk of poisoning caused by swallowing hydraulic fluid | Depressurize hydraulic system completely before starting any work on system. Wear protective clothing and safety glasses. | AS00.00-Z-0013-01A | |
| 1 | Suction off oil from expansion reservoir (1) | Figure | |
| 2 | Remove poly-V belt | AR13.20-P-0001GW | |
| 3 | Remove upper left charge air duct | AR09.41-P-8620GW | |
| 4 | Detach clamp (8) | ||
| 5 | Detach hydraulic line (3) from power steering pump (4), oil filter housing and bracket on left cylinder head cover and place to one side | ||
| *BA46.30-P-1019-01B | |||
| *BA46.30-P-1020-01B | |||
| *BA46.30-P-1021-01B | |||
| Figure | |||
| 6 | Remove bolt (2) | *BA09.41-P-1004-01O | |
| 7 | Unclip vacuum hose (5) of boost pressure control valve on turbocharger from bracket on power steering pump (4) | ||
| 8 | Detach high-pressure line (6) from power steering pump (4) | ||
| *BA46.30-P-1026-01B | |||
| Figure | |||
| 9 | Remove bolts (7) | ||
| 10 | Remove power steering pump (4) from coolant pump and lower bracket on timing case cover | *BA46.30-P-1018-01B | |
| *BA46.30-P-1023-01B | |||
| 11 | Fill and bleed power steering pump (4) | AR46.20-P-0500-10F | |
| *BF46.20-P-1001-01B | |||
| *BF46.20-P-1002-01B | |||
| 12 | Check function of power steering and for leaks | ||
| Checking | |||
| 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 | |
| 13 | Check the steering system for leaks when the engine is running. |
CHARGE AIR PIPE/CHARGE AIR COOLING
| Number | Designation | Engine 157 | |
|---|---|---|---|
| BA09.41-P-1004-01O | Bolt, low temperature line clamp to bracket | Nm | 9 |
POWER STEERING PUMP
| Number | Designation | Model 463.272/273 | |
|---|---|---|---|
| BA46.30-P-1018-01B | Bolt, power steering pump to coolant pump | Nm | 20 |
| BA46.30-P-1019-01B | Bolt, hydraulic line to power steering pump | Nm | 9 |
| BA46.30-P-1020-01B | Bolt, hydraulic line to oil filter housing | Nm | 9 |
| BA46.30-P-1021-01B | Bolt, hydraulic line to bracket | Nm | 9 |
| BA46.30-P-1023-01B | Bolt, bracket for power steering pump to lower bracket | Nm | 20 |
| BA46.30-P-1026-01B | Bolt, flange for pressure line of P/S to power steering pump | Nm | 18 |
FILLING QUANTITIES FOR STEERING GEAR
| Number | Designation | Model 461, 463 | ||
|---|---|---|---|---|
| BF46.20-P-1001-01B | Power steering | Filling capacity | Liters | 1.0 |
| MB steering gear oil | Sheet | Specified gear oils (cars, cross-country vehicles, sheet 231.1). See https://bevo.mercedes-benz.com/index.php?language_id=1 | ||
| BF46.20-P-1002-01B | Power steering pump | Filling capacity | Liters | 0, 38 |
| MB steering gear oil | Sheet | Specified gear oils (cars, cross-country vehicles, sheet 231.1). See https://bevo.mercedes-benz.com/index.php?language_id=1 | ||