Remove/install power steering pump - AR46.30-P-0500RX (SL550)
MODEL 230 with ENGINE 273 with CODE (487) Active Body Control (ABC)
| Remove/install | |||
|---|---|---|---|
| Notes on Active Body Control suspension | AH32.50-P-0001-01N | ||
| 1 | Open engine hood | AR88.40-P-1000R | |
| 2 | Remove the left engine intake air duct | ||
| 3 | Remove front engine cover | ||
| 4 | Suction off oil from expansion reservoirs (3, 4) | Fig 4 | |
| 5 | Loosen bolts (2a) of belt pulley (2) | *BA46.30-P-1006-01S | |
| 6 | Remove poly-V belt (2b) | AR13.22-P-1202RX | |
| 7 | Remove bolts (2a) | ||
| 8 | Separate cable tie (7)Separate cable tie (7) | ||
| 9 | Disconnect electrical connector (8) at suction restrictor valve (Y86/1) | ||
| 10 | Open hose clamps (1c) and detach feed lines (3c, 4c) from power steering pump (9) | Fig 3 | |
| 11 | Remove bolt (1s) | *BA46.30-P-1032-01S | |
| 12 | Detach ABC pressure line (4b) | *BA46.30-P-1014-01S | |
| 13 | Raise vehicle with vehicle lift | ||
| 14 | Remove bottom engine compartment paneling | AR61.20-P-1105R | |
| 15 | Detach pressure line of power steering (3b) | *BA46.30-P-1009-01S | |
| 16 | Loosen bolt (5) | *BA46.30-P-1025-01S | |
| 17 | Remove nuts (9b, 9e) | *BA46.30-P-1004-01S | |
| *BA46.30-P-1005-01S | |||
| 18 | Lower vehicle | ||
| 19 | Remove bolts (9a) | *BA46.30-P-1001-01S | |
| 20 | Position power steering pump (9) and detach belt pulley (2) | Position power steering pump (9): Pull power steering pump (9) forwards until grub screws (9s) have moved out of the mount on the crankcase and out of bracket (9c). Push power steering pump (9) slightly to the side and back again. | |
| 21 | Remove power steering pump (9) upwards | Replace self-tapping bolts if necessary, observing the following: - Never re-tap the thread. - Use original bolts only. - Do not hold bolts at an angle when screwing in. - Do not use an impact wrench. |
|
| 22 | Install in the reverse order | ||
| 23 | Fill and bleed active body control (ABC) | AR32.50-P-0021N |
POWER STEERING PUMP
| Number | Designation | Model 230 with engine 273 | ||
|---|---|---|---|---|
| BA46.30-P-1001-01S | Bolt/nut tandem pump/power steering pump to timing case cover | Nm | 20 | |
| BA46.30-P-1004-01S | Nut, power steering pump to bracket | Nm | 20 | |
| BA46.30-P-1005-01S | Nut, power steering pump to crankcase | Nm | 20 | |
| BA46.30-P-1006-01S | Bolt, belt pulley to tandem pump/power steering pump | Nm | 30 | |
| BA46.30-P-1009-01S | Banjo bolt/union nut high pressure expansion hose (line) to tandem pump/ power steering pump | Nm | 40 | |
| BA46.30-P-1014-01S | Bolt, ABC pressure line to power steering pump | Nm | 9 | |
| BA46.30-P-1025-01S | Bolt, bracket/support to cylinder crankcase | Nm | 20 | |
| BA46.30-P-1032-01S | Bolt, retaining clamp to power steering pump | Nm | 10 | |