Remove/install power steering pump - AR46.30-P-0500VA
MODELS 171.454 with Engine 272.942
MODELS 171.456 with ENGINE 272.963
| Remove/install | |||
|---|---|---|---|
| Risk of injury to skin or eyes from hydraulic fluid spraying out under pressure. Risk of poisoning from swallowing hydraulic fluid. | Depressurize the hydraulic system completely before starting any work on the system. Wear protective clothing and safety glasses. | - | |
| Before opening the hydraulic system of the power steering, thoroughly clean the area surrounding the separation point. Even minute particles of dirt, introduced into the hydraulic components, can result in malfunctions or damage to the power steering. | |||
| 1 | Open engine hood and raise to vertical position | AR88.40-P-1000V | |
| 2 | Remove fan shroud | AR20.40-P-6800VA | |
| 3 | Attach guard plate for radiator / condenser | ||
| Guard plate for radiator / condenser | WF58.50-P-0110-01A | ||
| 4 | Remove poly-V-belt | AR13.22-P-1202VA | |
| 5 | Suction off oil from expansion reservoir (1) of power steering | Figure | |
| 6 | Detach return line (3) from expansion reservoir (1) | ||
| *BA46.30-P-1004-01F | |||
| Figure | |||
| 7 | Detach pressure line (4) of power steering from power steering pump (2) by unscrewing the union nut (5) | ||
| *BA46.30-P-1002-01F | |||
| Figure | |||
| 8 | Detach plug (11) from power steering pump pressure regulator valve (Y10/1) | ||
| Risk of death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between the columns of the lifting platform and position the four support plates at the lifting platform support points specified by the vehicle manufacturer. | - | |
| 9 | Raise vehicle. | AR00.60-P-1000V | |
| 10 | Unscrew bolts (6), disconnect refrigerant compressor connector (A9x1) and remove refrigerant compressor (A9) from timing case cover and engine support | ||
| *BA83.55-P-1001-01M | |||
| 11 | Detach ground line from power steering pump (2) by unscrewing bolt (7) | *BA46.30-P-1005-01F | |
| 12 | Remove screw (8) | *BA46.30-P-1001-01F | |
| 13 | Detach expansion reservoir (1) from front cover on cylinder head; to do this, unscrew bolts (9) | *BA46.25-P-1001-01D | |
| 14 | Detach power steering pump (2) from timing case cover by unscrewing the bolts (10) | *BA46.30-P-1001-01F | |
| 15 | Remove power steering pump (2) with expansion reservoir (1) | ||
| 16 | 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 engine | Secure vehicle to prevent it from moving. Wear closed and snug-fitting work clothes. Do not grasp hot or rotating parts. |
- | |
| 17 | Fill and bleed power steering pump (2) | AR46.30-P-0010V | |
| 18 | Check oil level in expansion reservoir (1) and correct if necessary | ||
| Power steering - checking and correcting oil level | AP46.00-P-4611V |
POWER STEERING PUMP
| Number | Designation | Engine 272 except engine 272 in model 211.054/056/08 7/092/254/256/ 287/292 | ||
|---|---|---|---|---|
| BA46.30-P-1001-01F | Bolt, power steering pump to timing case | M8 x 30 | Nm | 20 |
| M8 x 34 | Nm | 35 | ||
| M8 x 44 | Nm | - | ||
| BA46.30-P-1002-01F | Union nut, pressure line of power steering to power steering pump | Nm | 40 | |
| BA46.30-P-1004-01F | Hose clamp, hydraulic line to power steering pump reservoir | Nm | 3 | |
| BA46.30-P-1005-01F | Bolt, ground line to power steering pump | Nm | 20 | |
REFRIGERANT COMPRESSOR
| Number | Designation | Engine 272 | |
|---|---|---|---|
| BA83.55-P-1001-01M | Bolt, refrigerant compressor to timing case cover or engine support | Nm | 20 |
HYDRAULIC FLUID RESERVOIR
| Number | Designation | Model 171.454/ 456/473 | |
|---|---|---|---|
| BA46.25-P-1001-01D | Bolt, expansion reservoir to front cover | Nm | 9 |