Flushing out oil cooler lines and oil cooler

AR27.55-P-0001PI

Flushing out oil cooler lines and oil cooler

12.8.11

30.5.07

Kerosene cleaning agent replaced by automatic transmission fluids (ATF, specification 236.12) for the flushing process.

Operation step 6

 

Remove/install

 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 from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

Danger!

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.

AS00.00-Z-0010-01A



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A



Before opening the hydraulic system, thoroughly clean the area surrounding the separation point. Even the smallest dirt particles, introduced into the hydraulic components, can lead to malfunctions and a total failure of the hydraulic system

1.1

Remove bottom section of soundproofing

Vehicles with diesel engine

AR94.30-P-5300P

1.2

Remove bottom engine compartment paneling

Vehicles with gasoline engine

AR61.20-P-1105P

2

Remove drain plug from the transmission oil pan and drain transmission oil



*BA27.10-P-1001-03D

3

Remove bolts (5, 6) of oil cooling lines (7, 8)



*BA27.55-P-1002-01D

4

Detach bracket of oil cooling lines (7, 8) on right and left of engine oil pan



*BA27.55-P-1003-01D

5

Detach oil cooling lines (7, 8) from transmission

 Do not kink or bend oil cooling lines (7, 8) otherwise damage will occur.

 Collect transmission oil which flows out in a container.

 Installation: Fit new O-rings on the oil cooling lines (7, 8).

Flushing

6

Fill reservoir (3) of hand pump (2) with transmission oil



*210589007100



Automatic transmission fluids (ATF, Sheet 236.12)

BB00.40-P-0236-12A

7

Connect hand pump (2) with pressure fitting to reservoir (3)



*210589007100

8

Plug plastic hose onto connection fitting (1)

 Secure plastic hose to connection fitting (1) using hose clamp if necessary.

9

Connect connection piece (4) to oil cooling lines (7, 8) in sequence

10

Flush out oil cooling lines (7, 8) and oil cooler with transmission oil; for this purpose, operate hand pump (2)

 In the event of severe contamination, change the transmission oil several times.

 Collect transmission oil which runs out in a suitable container. Ensure that the transmission oil flows freely.



*210589007100

11

Remove hand pump (2)

12

Install in the reverse order

13

Fill transmission with transmission fluid

AR27.00-P-0270W

14

Read out fault memory and erase if necessary

STAR DIAGNOSIS diagnosis system

 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 from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

15

Perform engine test run and check transmission for leaks with engine running

Number

Designation

Trans-mission
722.9

BA27.55-P-1002-01D

Bolt, transmission oil line to transmission housing

Banjo bolt

Stage 1

Nm

5

Stage 2

°

90

Hexalobular bolt

Nm

12

BA27.55-P-1003-01D

Bolt, oil cooler line to engine oil pan

Nm

12

Number

Designation

Trans-mission 722.9

BA27.10-P-1001-03D

Drain plug on transmission oil pan

Nm

22