BMW X5: Checking Function Of Power Steering Vane Pump
Special tools required:
- 32 4 000
WARNING: Danger of poisoning if oil is ingested/absorbed through the skin! Risk of injury if oil comes into contact with eyes and skin! IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.
Prior to this check, first check all hose connections, the vane pump and the power steering gear for leaks.
Necessary preliminary tasks:
- Draw off and dispose of hydraulic fluid from fluid reservoir.
- Remove front assembly underside protection.
- Disconnect pressure line from vane pump.
Connecting special tool:
Connect special tool 32 4 000 with new sealing rings to vane pump and pressure line.
- Connection, vane pump
- Connection, power steering gear
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Fig. 85: Identifying Special Tool (32 4 000)
Checking pump pressure:
- Close valve (A).
- Open valve (B).
- Fill and bleed hydraulic system.
- Start engine
- Heat hydraulic fluid to approx. 50ºC by moving steering wheel at increased engine speed.
- Close valve (B) for max. 10 secs. and read off pressure.
- Compare measured pressure with specified nominal pressure.
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Fig. 86: Identifying Special Tool (32 4 000)
Replace vane pump if the nominal pressure is exceeded by more than 10 %.
Check belt tension if the nominal pressure is undershot by more than 10 %. Replace vane pump if belt tension is OK.
After installation:
- Fill and bleed hydraulic system.
- Check pipe connections for leaks.
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WARNING: Danger of poisoning if oil is ingested/absorbed through the
skin!
Risk of injury if oil comes into contact with eyes and skin!
IMPORTANT: Adhere to the utmost cleanliness. Do not allow any d
Removing And Installing/Replacing Fluid Reservoir For Power Steering
Special tools required:
32 1 260
WARNING: Danger of poisoning if oil is ingested/absorbed through the
skin!
Risk of injury if oil comes into contact with eyes and skin!
IMPORTANT: Adhere to the ut
Replacing Pressure Line For Power Steering (From Cutting Line To
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WARNING: Danger to life!
Mount securing fixture for vehicle on lifting platform to prevent the
vehicle from slipping off or tilting down.
Secure engine in installation position to prevent it from fal
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Connecting Rod With Bearing
REPLACING ALL CONROD BEARINGS (N62/N62TU)
Special tools required:
00 2 590
00 9 120
11 2 110
(piston removed)
IMPORTANT: Note grinding stages on crankshaft.
The letter (1) denotes the crankshaft construction stage.
The numbers (2) denote the bearing shell classification for the relevant bearin
Starter Lead
REMOVING AND INSTALLING OR REPLACING BATTERY POSITIVE LEAD
(BETWEEN STARTER, ALTERNATOR AND BATTERY POSITIVE TERMINAL)
Necessary preliminary tasks:
Read out fault memory of DME control unit; if necessary, work through
test schedules.
Switch off ignition.
Disconnect battery negative lead.
Rem
