32 41 037 Removing and installing/replacing power steering pump for power steering gear with Dynamic Drive (N63)
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NOTE:
When replacing power steering pump:
FLUID RESERVOIR must be replaced in event of metal abrasion, sluggish pump shaft or increased wear!
The filter integrated in the fluid reservoir can only absorb a limited amount of foreign particles. If the filter clogs, the hydraulic system can no longer be sufficiently protected.
Metal abrasion is perceived in the fluid reservoir as metallically glittering hydraulic fluid.
It is only necessary to replace the fluid reservoir because of leaks (e.g. at hose connections) only in the event of the unavoidably high ingress of dirt.
FLUID RESERVOIR must be replaced in event of metal abrasion, sluggish pump shaft or increased wear!
The filter integrated in the fluid reservoir can only absorb a limited amount of foreign particles. If the filter clogs, the hydraulic system can no longer be sufficiently protected.
Metal abrasion is perceived in the fluid reservoir as metallically glittering hydraulic fluid.
It is only necessary to replace the fluid reservoir because of leaks (e.g. at hose connections) only in the event of the unavoidably high ingress of dirt.
WARNING:
DANGER OF POISONING
if oil is ingested/absorbed through the skin!
RISK OF INJURY if oil comes into contact with eyes and 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.
Seal off hydraulic lines with plugs.
Seal off hydraulic lines with plugs.
Necessary preliminary tasks:
- Draw off and dispose of hydraulic fluid from fluid reservoir
- Remove RADIATOR .
- Remove ALTERNATOR DRIVE BELT
Disconnect plug-in connections (1) and (2).
Release hose clamp (3) and detach suction line from power steering pump.
Release union nut (4) and disconnect pressure line for power steering from power steering pump.
Tightening torque 32 41 4AZ (for power steering).
Installation:
Replace all sealing rings.
Make sure hydraulic lines are laid without tension and with sufficient spacing to adjoining components.
Align suction line by way of marking to connection on power steering pump.
Release banjo bolt (1).
Tightening torque 32 41 3AZ .
Release nuts (2) and place expandable hose (3) to one side.
Release bolts (1) and remove holder (2) and power steering pump towards bottom.
Tightening torque 32 41 3AZ .
After installation:
- Fill and bleed HYDRAULIC SYSTEM
- Check pipe connections for leaks
- Carry out steering angle sensor adjustment/adjustment for active front steering. See ADJUSTMENT FOR ACTIVE FRONT STEERING and STEERING ANGLE SENSOR ADJUSTMENT .
- If necessary, carry out INITIAL DYNAMIC DRIVE OPERATION