Remove/install automatic transmission fluid cooler

AR27.55-P-1000OLC

Remove/install automatic transmission fluid cooler

09.08.2019

Transmission

725.0 in model 213, 238 with engine 654

Transmission

725.0 in model 213, 238, 257 with engine 264

1

Oil cooler

2

Oil line

3

Oil line

4

Bolts

 Caution

Risk of injury to skin and eyes due to handling of transmission oil. Health risk caused by swallowing transmission oil

Wear protective gloves, protective clothing and safety glasses.
Do not pour transmission oil into beverage bottles.

AS00.40-Z-0001-01A

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 Warning

Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.

Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

Notes on automatic transmission

AH27.19-P-0001-01NKB

 

Remove/install

1

Remove center and rear lower engine compartment lining.

Transmission 725.0 in model 213, 238 with engine 264
Transmission 725.0 in model 213, 238 with engine 654

AR61.20-P-1105LWE

Transmission 725.0 in model 257 with engine 264

AR61.20-P-1105FR

 Installation: Only install center and rear lower rear engine compartment paneling again after leak test.

2

Detach oil lines(2, 3) from oil cooler(1).

AR27.10-P-0501-03LF

 Record plug

*129589009100

3

Seal openings in oil cooler(1) using suitable stop plugs.

 Record plug

*129589009100

4

Pinch off coolant hoses using pinch-off pliers.

 Commercially available devices/tools
Pinch-off pliers

5

Remove coolant hoses at oil cooler(1).

AR20.20-P-7441-01RQ

6

Seal connections of coolant hoses at oil cooler(1) with protective covers.

 Set of protective caps

*001589009100

7

Seal coolant hoses with protective covers.

 Set of protective caps

*001589009100

8

Remove screws(4) of oil cooler(1) and remove oil cooler(1).

 Bolt, oil cooler to transmission

*BA27.55-P-1018-01D

9

Install in the reverse order.



Check

10

Check and correct oil level in automatic transmission.

Transmission 725.017 in model 213 with engine 654
Transmission 725.047 in model 213 with engine 654

AR27.00-P-0270EWH

Transmission 725.0 (except 725.017/047) in model 213 with engine 654
Transmission 725.0 in model 213, 238, 257 with engine 264
Transmission 725.0 in model 238 with engine 654

AR27.00-P-0270EWN

11

Check engine cooling system for leak tightness.

AR20.00-P-1011OLC

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

12

Perform engine test run and check oil lines (2, 3) and oil cooler (1) for leak tightness.

13

Install center and rear lower engine compartment lining.

Transmission 725.0 in model 213, 238 with engine 264
Transmission 725.0 in model 213, 238 with engine 654

AR61.20-P-1105LWE

Transmission 725.0 in model 257 with engine 264

AR61.20-P-1105FR

 Oil cooling

Number

Designation

Transmission 725.0

BA27.55-P-1018-01D

Bolt, oil cooler to transmission

Nm

12