Remove/install power steering pump

AR46.30-P-0500NA

Remove/install power steering pump

14.1.10

9.2.06

Banjo bolt, high pressure expansion hose (Active Body Control) to power steering pump

Model 215.374/375/378/379

*BA46.30-P-1012-01C

Banjo bolt, high pressure expansion hose (Active Body Control) to power steering pump

Model 220.074/174

*BA46.30-P-1012-01C

 

Remove/install



Notes on Active Body Control suspension

AH32.50-P-0001-01N

1

Detach left air intake hose

2

Undo bolts (41a) from belt pulley (41).

 Counterholder

*603589004000



*BA46.30-P-1007-01C

3

Remove poly-V belt (130)

AR13.22-P-1202BA

4

Tension and secure poly-V belt tensioner pulley (arrow).

 Secure using a steel rod of 5 mm dia.

5

Unbolt belt pulley (41)

6

Unplug connector from suction restrictor valve (Y86/1).

7

Use clamp (08) to pinch off feed line (58) of ABC reservoir and detach.

 Clamping device

*000589543700

8

Clamp off feed line (30f) from power steering pump supply reservoir with clamp (08) and detach.

 Clamping device

*000589543700

9

Unclip suction restrictor valve line from power steering pump / ABC supply reservoir bracket (28a).

10

Detach lines of power steering pump reservoir (30a) and ABC reservoir (29a).

11

Detach and remove power steering pump / ABC supply reservoir bracket (28a).

 Fastened with two nuts and one bolt.

12

Unscrew high-pressure expansion hose (30i) and move out of the way to the rear.

Seal off line connection with blind plug.

 Installation: Replace sealing rings.



*BA46.30-P-1003-01C

13

Unscrew ABC high-pressure hose (59)

 Installation: check O-rings on high-pressure hose (59) and replace if necessary.



*BA46.30-P-1012-01C

14

Remove engine compartment paneling (middle) at bottom.

AR61.20-P-1105M

15

Undo bracket (59b) for ABC high-pressure hose (59) from refrigerant compressor.

16

Detach ground cable (30s) at rear from power steering pump bracket (30t).

17

Unscrew power steering pump bracket (30t) from power steering pump.

 Two bolts.

18

Unbolt bracket of power steering pump (30t) at engine block.

19

Detach and remove power steering pump (30)

 One nut at the rear, two bolts at the front.

 Replace self-locking bolts, if necessary; pay attention to the following instructions:

 Never retap the thread.

 Use original bolts only.

 Do not hold bolts at an angle when screwing in.

 Do not use an impact wrench.

 Self-tapping bolts of power steering pump to timing case

*BA46.30-P-1010-01C

20

Install in the reverse order

21

Fill and bleed active body control (ABC)

AR32.50-P-0021N

22

Fill power steering pump and bleed

AR46.30-P-0010N

Number

Designation

Model
215.374/
375/378/
379

Model
220.063/065/
067/070/073/
075/163/165/
167/170/173/
175/875
with code 487a

BA46.30-P-1003-01C

High-pressure expansion hose to power steering pump

M141.5

Nm

-

-

M161.5

Nm

40

40

BA46.30-P-1007-01C

Bolt, belt pulley to power steering pump

Nm

30

30

BA46.30-P-1010-01C

Self-tapping bolt, power steering pump to timing case

Thread not pre-tapped

Nm

35

35

Thread pre-tapped

Nm

20

20

BA46.30-P-1012-01C

Banjo bolt, high pressure expansion hose (Active Body Control) to power steering pump

Nm

45

45