Checking oil pressure of power steering pump - AR46.30-P-0100EW
WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2016 Mercedes-Benz E63 S AMG, 2016 Mercedes-Benz E400, 2016 Mercedes-Benz E350, 2016 Mercedes-Benz E300, and 2016 Mercedes-Benz E250. However, it is still accessible from the selected car via links, so may be relevant.
MODEL 207, 212 with ENGINE 272, 273, 642, 651
| Removing | |||
| 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 the hydraulic system completely before starting any work on the system. Wear protective clothing and safety glasses. | AS00.00-Z-0013-01A | ||
| Risk of death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer. | AS00.00-Z-0010-01A | |
| 1 | Open engine hood | AR88.40-P-1000EW | |
| 2.1 | Remove left engine intake air duct and engine cover | Engine 272, 273, 642 |
|
| 2.2 | Remove engine air intake duct and engine cover | Engine 651 |
|
| 3 | Extract oil from power steering expansion reservoir | Figure | |
| 4 | Detach pressure line (1) from power steering pump (2) | ||
| 5 | Remove center and front engine compartment paneling | Engine 273 | AR61.20-P-1105EW |
| 6 | Attach test adapter (02b) to pressure line (1) | ||
| Fig 4 | |||
| 7 | Attach test adapter (02a) to power steering pump (2) | Fig 4 | |
| 8 | Attach test equipment (01) between test adapter (02b) and test adapter (02a) | Figure | |
| 9 | Fill and bleed power steering pump (2) | Model 207 | AR46.30-P-0010CW |
| Model 212 | AR46.30-P-0010EW | ||
| 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 | |
| 10 | Start engine and allow it to run at engine speed of approx. 1000 rpm | ||
| Checking | |||
| 11 | Close throttle cock (01a) and check maximum operating pressure | *BE46.30-P-1001-01G | |
| 12 | Turn off engine | ||
| 13 | Extract oil from power steering expansion reservoir | Figure | |
| 14 | Detach testing unit (01) | ||
| 15 | Detach test adapter (02b) and test adapter (02a) | ||
| Install | |||
| 16 | Attach pressure line (1) to power steering pump (2) | *BA46.30-P-1004-01R | |
| *BA46.30-P-1004-01T | |||
| 17 | Fill and bleed power steering pump (2) | Model 212 | AR46.30-P-0010EW |
| Model 207 | AR46.30-P-0010CW | ||
| 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 | |
| 18 | Test run engine and check steering system for leaks | ||
| 19.1 | Install left engine air intake duct and engine cover | Engine 272, 273, 642 |
|
| 19.2 | Install engine air intake duct and engine cover | Engine 651 |
POWER STEERING PUMP TEST SPECIFICATIONS
| Number | Designation | Model 207 | Model 212 | |
|---|---|---|---|---|
| BE46.30-P-1001-01G | Pressure in power steering pump | bar | 120 to 128 | 120 to 128 |
POWER STEERING PUMP
| Number | Designation | Model 207 | ||
|---|---|---|---|---|
| BA46.30-P-1004-01R | Attachment, high pressure expansion hose of rack-and-pinion steering to power steering pump or tandem pump | Union nut | Nm | - |
| Banjo bolt | Nm | - | ||
| Bolt M8 | Nm | 18 | ||
POWER STEERING PUMP
| Number | Designation | Model 212 | ||
|---|---|---|---|---|
| BA46.30-P-1004-01T | Attachment, high pressure expansion hose to power steering pump | Union nut | Nm | 40 |
| Banjo bolt | Nm | 45 | ||
| Bolt M8 | Nm | 18 | ||