Remove/install power steering pump

AR46.30-S-0500PB

Remove/install power steering pump

22.09.2017

Model

470 with engine 200

1

Electrical connector

6

Banjo bolt

2

Electrical lines

7

Hydraulic line

3

Power steering pump

8

Screw

4

Electrical wiring harness

9

Threaded connection

5

Hydraulic hose

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

 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 poly-V-belt

AR13.22-S-1202PB

2

Extract hydraulic fluid from power steering expansion reservoir

 Hand pump

*210589007100

3

Release and disconnect electrical connection (1)

4

Detach electric lines (2) from holder of power-steering pump (3)

5

Detach electric wiring harness (4) from holder of power-steering pump (3)

6

Detach hydraulic hose (5) from power-steering pump (3) and seal openings using suitable stop plugs

 Hose clamp pliers

*454589003700

 Record plug

*129589009100

7

Unscrew banjo bolt (6) and seal openings of hydraulic line (7) as well as power-steering pump (3) using suitable stop plugs

 Installation: Install new seals.

 Banjo bolt, high-pressure line to power steering pump

*BA46.30-N-1006-01V

 Record plug

*129589009100

8

Remove screw/bolt  (8)

 Screw/bolt, power steering pump bracket to major assembly carrier

*BA46.30-N-1003-01V

9

Remove threaded connection (9)

 Screw/nut, power steering pump bracket to major assembly carrier

*BA46.30-N-1001-01V

10

Remove power-steering pump (3)

11

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

12

Fill/bleed hydraulic power steering

AR46.25-S-3300-02P

 Power steering

*BF46.20-N-1001-01P

 Power steering pump

Number

Designation

Model 470, 471

BA46.30-N-1001-01V

Screw/nut, power steering pump bracket to major assembly carrier

Nm

65

 Power steering pump

Number

Designation

Model 470, 471

BA46.30-N-1003-01V

Screw/bolt, power steering pump bracket to major assembly carrier

Nm

37

 Power steering pump

Number

Designation

Model 470, 471

BA46.30-N-1006-01V

Banjo bolt, high-pressure line to power steering pump

Nm

59

 Filling capacities for steering gear

Number

Designation

Model 470, 471

BF46.20-N-1001-01P

Power steering

Filling capacity for MB power steering fluid

Liter

1

Sheet

BB00.40-P-0236-03A