mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

AR46.30-P-0100P Checking Oil Pressure of Power Steering Pump|Page 11181 > < AR46.30-P-0100P Checking Oil Pressure of Power Steering Pump
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NOTE:  Ensure that the test device is not caught by moving parts such as fan and poly-V-belt

8

Fill supply reservoir

DANGER:
-

Risk of accident from the vehicle starting off by itself when the engine is running. Risk of injury from bruises and burns if you hold
your hand into engine when it is started or when it is running.

-

Secure vehicle to prevent it moving off.

-

Wear closed and close-fitting work clothes.

-

Do not grasp hot or rotating parts.

9

Engine ON

10

Increase engine speed to approx. 1000 1 rpm

11

Close throttle cock (039a) and check maximum service pressure

CAUTION:  Perform the test quickly to prevent the oil temperature from rising too high.

12

Engine OFF

13

Extract oil from power steering pump supply reservoir

14

Disconnect tester (039)

15

Detach connection (040a) and connecting hose (040b)

16

Replace seals of high pressure expansion hose (30i)

17

Screw high pressure expansion hose (30i) onto power steering pump

18

Filling and bleeding power steering pump

19

Check power steering pump for leaks
-

Carry out visual inspection.

20

Mount air intake hose (47)

NOTE:  Left-hand side.

AR46.30-P-0100P Checking Oil Pressure of Power Steering Pump|Page 11181 > < AR46.30-P-0100P Checking Oil Pressure of Power Steering Pump