Remove/install power steering pump

AR46.30-P-0500RB

Remove/install power steering pump

31.7.08

 

Remove/install

 Danger!

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

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

AS00.00-Z-0013-01A

1

Remove engine trim panel

Model 230.476/ 477

AR01.10-P-2405LA

Model 230.479

AR01.10-P-2405IM

2

Detach air intake hoses upstream of air filter

3

Suction off hydraulic fluid from power steering and ABC system from the expansion reservoirs

 Hand pump

*210589007100



Notes on Active Body Control suspension

AH32.50-P-0001-01N

4

Remove left air filter housing

AR09.10-P-1150LA

5

Disconnect plug from ABC suction restrictor valve (Y86/1)

6

Disconnect hydraulic lines (58) to power steering pump (30)

7

Remove expansion reservoirs for power steering and ABC system

8

Remove fan shroud

AR20.40-P-6800AC

9

Attach guard plate for radiator / condenser



Guard plate for radiator / condenser

WF58.50-P-0110-01A

10

Remove banjo bolt (59a) and detach ABC pressure lines (59)

 Installation: Install new sealing rings.



*BA46.30-P-1009-01S

11

Loosen bolts (1) of belt pulley (41)

12

Remove poly-V belt

Model 230.477

Model 230 except 230.477

AR13.22-P-1202L

13

Drain coolant from low temperature circuit

AR20.00-P-1142HM

14

Remove coolant line (19) to circulation pump of low temperature circuit

15

Disconnect power steering pressure line (30i) from power steering pump (30)

 Installation: Replace sealing ring.



*BA46.30-P-1009-01S

16

Loosen clamps (2) of ABC hydraulic line on radiator traverse

17

Detach hydraulic line bracket (3)

18

Remove belt pulley (41)



*BA46.30-P-1006-01S

19

Remove bolt (6) and bolts (10) and detach bracket (9)



*BA46.30-P-1001-01S



*BA46.30-P-1002-01S

20

Remove screw (7)



*BA46.30-P-1002-01S

21

Remove bolt (8) and remove power steering pump (30) forwards

 Installation: Position the bolt (8) first and then bolt (6), bolt (7) and bolts (10). Tighten bolt (8), then bolt (6), bolt (7) and bolts (10).



*BA46.30-P-1002-01S

22

Install in the reverse order

23

Fill and bleed active body control (ABC)

AR32.50-P-0021N

24

Fill and bleed power steering pump (30)

AR46.30-P-0010N

Number

Designation

Model
230 with engine 275

BA46.30-P-1001-01S

Bolt/nut tandem pump/power steering pump to timing case cover

Nm

20

BA46.30-P-1002-01S

Self-tapping screw tandem pump/power steering pump to timing case

Thread not pre-tapped

Nm

35

Thread pre-tapped

Nm

20

BA46.30-P-1006-01S

Bolt, belt pulley to tandem pump/power steering pump

Nm

30

BA46.30-P-1009-01S

Banjo bolt/union nut high pressure expansion hose (line) to tandem pump/power steering pump

Nm

40