Remove/install oil lines of oil cooling for automatic transmission

AR27.55-P-0600RX

Remove/install oil lines of oil cooling for automatic transmission

18.5.09

12.4.06

Bolt, oil cooler line to engine oil pan

*BA27.55-P-1003-01D

 

Remove/install

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 starting work the area around the oil cooler lines (1, 2) must be thoroughly cleaned in the area around the separation points. Even the smallest dirt particles, introduced into the hydraulic components, can lead to malfunctions and a total failure of the transmission

1

Move selector lever into position "N"

2

Release parking brake

3

Switch ignition off, remove ignition key (transmitter key)

 Vehicles with Keyless-Go code 889: Press the Keyless-Go start and stop button repeatedly until the ignition is switched off.

Remove the Keyless Go transmitter card or transmitter key from the vehicle and store beyond the reach of the transmitter (min.
2 m).

4

Open engine hood and raise to vertical position

AR88.40-P-1000R

5.1

Unclip safety clamps (7, 8) of the left and right oil cooler line (1, 2) on the radiator (3)

With plug-in type oil cooler lines (1, 2)

 Do not pull the oil cooler lines (1, 2) out of the radiator (3).

5.2

Detach union nuts of the left and right oil cooler line (1, 2) on the radiator (3)

With screw-type oil cooler lines (1, 2)



*BA27.55-P-1001-01D

 Do not pull the oil cooler lines (1, 2) out of the radiator (3).

6

Remove bottom engine compartment paneling

AR61.20-P-1105R

7

Pull oil cooler lines (1, 2) out of the radiator (3)

 In order to avoid damage and leakage, do not kink or bend oil cooler lines (1, 2).

 Collect escaping transmission oil in a suitable container and seal off line connections with  plugs.



*129589009100

 Installation: Replace O-rings.

8

Remove bolts (4, 9) and pull left and right oil cooler line (1, 2) out of the transmission

 In order to avoid damage and leakage, do not kink or bend oil cooler lines (1, 2).

AR27.10-P-0502-01RX

 Collect escaping transmission oil in a suitable container and seal off line connections with  plugs.



*129589009100

 Installation: Replace O-rings.



*BA27.55-P-1002-01D

9

Detach double hose clamp from oil cooler lines (1, 2)



*BA27.55-P-1004-01D

Left oil cooler line

10

 Mount engine support frame and lift up engine lift

 Raise engine until the front engine mounts are completely relieved of load.

AR33.10-P-0100-01R

Engine support frame

11

Detach right and left engine mount from front axle carrier

AR22.10-P-1260RX



*BA22.10-P-1001-03H

12

Detach retaining clamps (10, 11, 12) from engine oil pan and remove the left oil cooler line (1)

 To prevent damage and leaks, do not bend or kink left oil line (1).

 The left oil cooler line (1) is removed via the intermediate space arising between the engine mount and front axle carrier.



*BA27.55-P-1003-01D

Right oil cooler line

13

Detach retaining clamp (5, 6) from the engine oil pan and remove the right oil cooler line (2)

 To prevent damage and leaks, do not bend or kink right oil cooler line (2).



*BA27.55-P-1003-01D

14

Install in the reverse order

15

Check transmission oil level and correct if necessary

 Always observe work procedure and Specifications for Operating Fluids, otherwise transmission will be damaged.

AR27.00-P-0270W

 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

16

Carry out engine test run, checking the transmission for function and oil leaks

Number

Designation

Trans-mission
722.9

BA27.55-P-1001-01D

Union nut connecting transmission oil line to cooler

Nm

25

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

BA27.55-P-1004-01D

Bolt, dual clamp to oil line

Nm

8

Number

Designation

Model
230 except model 230.476/477/479

BA22.10-P-1001-03H

Bolt, front engine mount to front axle carrier

Nm

35