Remove/install power steering pump

AR46.30-D-0500TSR

Remove/install power steering pump

06.03.2020

Model

907 with engine 642

with code ZG1 (Engageable all-wheel drive)

Model

907 with engine 642

with code ZG3 (Engageable all-wheel drive with gear reduction)

Shown on model 906

1

Power steering pump

3

High-pressure hose line

5

Bolts

2

Hose

4

Screw

 Warning

Risk of injury to skin or eyes from hydraulic fluid spraying out under pressure.Risk of poisoning from swallowing hydraulic fluid.

Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses.

AS00.00-Z-0013-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

 

Remove/install

1

Remove washer fluid reservoir.

AR82.35-D-6000TSR

 Do not disconnect lines and hoses.

2

Remove poly-V-belt from power-steering pump (1).

AR13.22-D-1202TSV

3

Pinch off hose (2) using clamp.

 Clamp

*000589543700

4

Remove hose (2) from power-steering pump (1).


Thoroughly clean area around separating point before opening hydraulic system.
Otherwise, minute dirt particles may enter the hydraulic system and cause malfunctions in the hydraulic system.

 Seal power-steering pump (1).

 Installation: Check hose (2) and hose clamp for damage.

Assembly cleaner

*BR00.45-Z-1028-04A

 Record plug

*129589009100

 Hose clamp pliers

*454589003700

If hose (2) or hose clamp is damaged,



replace hose (2) or hose clamp.

5

Remove high-pressure hose line (3) from power-steering pump (1).

Note on calculation of tightening torque when using insertion or socket tools with various effective lengths

AH00.00-P-0015-01CW


Thoroughly clean area around separating point before opening hydraulic system.
Otherwise, minute dirt particles may enter the hydraulic system and cause malfunctions in the hydraulic system.

 Collect hydraulic fluid which runs out with a suitable container. Seal high-pressure hose line (3) and power-steering pump (1).

 Union nut, hydraulic line to power-steering pump

*BA46.30-N-1001-01TSR

Assembly cleaner

*BR00.45-Z-1028-04A

 Box wrench bit

*000589700300

 Record plug

*129589009100

6

Remove screws (4, 5).

 Screw, power-steering pump to crankcase/major assembly carrier

*BA46.30-N-1004-01TSR

7

Remove power-steering pump (1).

8

Install in the reverse order.

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

9

Fill hydraulic power steering and bleed.

AR46.25-D-3300-02TSX

 Steering gear oil

*BF46.00-N-1001-01A

 Power steering pump

Number

Designation

Model 907
with code ZG1 (Engageable all-wheel drive)
Model 907
with code ZG3 (Engageable all-wheel drive with gear reduction)

BA46.30-N-1001-01TSR

Union nut, hydraulic line to power-steering pump

Nm

38

 Power steering pump

Number

Designation

Model 907
with code ZG1 (Engageable all-wheel drive)
Model 907
with code ZG3 (Engageable all-wheel drive with gear reduction)

BA46.30-N-1004-01TSR

Screw, power-steering pump to crankcase/major assembly carrier

Nm

20

 Steering

Number

Designation

Model 907 with code ZG1 (Engageable all-wheel drive) or with code ZG3 (Engageable all-wheel drive with gear reduction)

BF46.00-N-1001-01A

Steering gear oil

Filling capacity

Liter

1,0

Sheet

BB00.40-P-0236-03A

Repair materials

Number

Designation

Order number

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01