Checking oil pressure of power steering pump

AR46.30-P-0100RT

Checking oil pressure of power steering pump

25.11.11



Removing

1

Remove intake air duct (1)

2

Suction off the oil from the reservoir of the power steering pump (2)

 Hand pump

*210589007100

3

Unscrew high pressure line (3) from power steering pump

 Place a suitable container underneath to collect the discharged oil.

4

Screw adapter line (4) of testing unit onto power steering pump

 Testing unit

*124589062100

5

Screw connection fitting (5) onto high pressure line (3)

 Connection fitting

*215589016300

6

Screw pressure gauge (7) of testing unit onto adapter line (4)

 Testing unit

*124589062100

7

Screw on shutoff valve (6) of testing unit between pressure gauge (7) and adapter line (4)

 Testing unit

*124589062100

8

Align test device and tighten all threaded connections

 Position the test device in such a way that it will not come into contact with moving parts (e.g. fan or poly-V-belt) when the engine is started.

9

Fill reservoir of power steering pump (2)



Check and correct power steering fluid level

AP46.00-P-4611RT

 Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running

Secure vehicle to prevent it moving off.

Wear closed and close-fitting work clothes.

Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

10

Start engine

11

Increase motor speed to approx. 1000 rpm



Checking

12

Close shutoff valve (6) and check delivery pressure

 Only carry out the test briefly so that the oil temperature does not rise unacceptably.

*BE46.30-P-1001-01E

13

Turn off engine

14

Suction off the oil from the reservoir of the power steering pump (2)

 Hand pump

*210589007100

15

Detach test device

 Place a suitable container underneath to collect the discharged oil.



Install

16

Screw high pressure line (3) onto power steering pump

 Engine 642

*BA46.30-P-1009-01J

 Engine 156

*BA46.30-P-1007-01O

 Engine 113, 272

*BA46.30-P-1008-01H

17

Fill reservoir of power steering pump (2)



Check and correct power steering fluid level

AP46.00-P-4611RT

18

Bleed steering system

AR46.30-P-0010RT

19

Check threaded connection of high pressure line (3) on power steering pump for leaks

 Carry out visual inspection.

20

Install intake air duct (1)

Number

Designation

Model
251

BE46.30-P-1001-01E

Pressure in power steering pump

bar

124 (4)

Number

Designation

Model
164.1/8, 251 with engine 642

BA46.30-P-1009-01J

Banjo bolt, power steering pressure line to power steering pump

Nm

45

Number

Designation

Engine
113
in model 164, 251

Engine
272
in model 164, 251

Engine
273
in model
164, 251

BA46.30-P-1008-01H

Banjo bolt, power steering pressure line to power steering pump

Nm

45

45

45

Number

Designation

Engine
156
in model
164, 209, 211, 219, 251

BA46.30-P-1007-01O

High-pressure expansion hose to power steering pump

Nm

40