Checking oil pressure of power steering pump

AR46.30-P-0100GL

Checking oil pressure of power steering pump

8.5.12



Removing

 Danger!

Danger of injury to eyes caused by steering oil emerging at high pressure. Danger of poisoning caused by swallowing steering oil

Wear safety glasses.
Unscrew limit screw on steering gear by max. 5 revolutions.
If you swallow steering oil, drink plenty of water with activated charcoal additive and consult a doctor.

AS46.00-Z-0001-01A

 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

1

Remove front engine cover

Engine 273 in model 463

2

Remove air intake hose (1)

3

Suction off oil from reservoir (7) of power steering pump



*210589007100

4

Unscrew high-pressure expansion hose (2) from power steering pump

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

5

Fasten testing unit adapter line (3) to power steering pump



*124589062100

6

Fasten connection fitting (4) to high-pressure expansion hose (2)



*215589016300

7

Fasten testing unit pressure gauge (5) to adapter line (3)



*124589062100

8

Fasten testing unit shutoff valve (6) between pressure gauge (5) and adapter line (3)



*124589062100

9

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.

10

Fill reservoir (7) of power steering pump



Check and correct power steering fluid level

AP46.00-P-4611G

11

Start engine

12

Increase motor speed to approx. 1000 rpm



Checking

13

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-1001-01D

14

Turn off engine

15

Suction off oil from reservoir (7) of power steering pump



*210589007100

16

Detach test device



Install

17

Fasten high-pressure expansion hose (2) to power steering pump



*BA46.30-P-1001-01B

18

Fill reservoir (7) of power steering pump



Check and correct power steering fluid level

AP46.00-P-4611G

19

Bleed steering system

 The steering system bleeds itself automatically. With the engine running, turn steering wheel several times from left stop to right stop. When doing so, repeatedly check the oil level in the power steering and correct if necessary.

20

Check threaded connection of high pressure hose (2) on power steering pump for leaks

 Carry out visual inspection.

21

Install air intake hose (1)

22

Install front engine cover

Engine 273 in model 463

Number

Designation

Model
463 with engine 112, 113 and power steering pump
model 67 (ZF)
A 463 466 02 01
up to 02.10.2000

Model
463 with engine 112, 113 and power steering pump
Model 67 (ZF)
A 463 466 04 01
as of 03.10.2000
up to 27.09.2002

Model
463 with engine 112, 113 and VDA power steering pumpLF30 (LUK)
A 003 466 54 01
as of 28.09.2002

BE46.30-P-1001-01D

Delivery pressure of power steering pump

bar

82 (5)

105 (5)

105 (5)

Number

Designation

Model
463 with engine 273 and power steering pump
VDA LF30 (LUK)
A 003 466 91 01

BE46.30-P-1001-01D

Delivery pressure of power steering pump

bar

105 (5)

Number

Designation

Model 463.2
except model 463.202/222/
236/237/272/
273,
model 463.30/
320/321/324/
325/327/328/
33/34

Model 463.202/
222/236/
237

BA46.30-P-1001-01B

High-pressure expansion hose to power steering pump

M14x1.5

Nm

30

30

M16x1.5

Nm

40

40