Remove/install automatic transmission fluid cooler

AR27.55-P-1000MSC

Remove/install automatic transmission fluid cooler

09.08.2019

Transmission

725.0 in model 167 with engine 176, 256.9

Modification notes

17.07.2019

Bleeding routine added.

AS 9

Shown on model 167 with engine 256.9

1

Oil cooler

2

Coolant hose

3

Oil lines

4

Retaining clamp

 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

 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

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Notes on automatic transmission

AH27.19-P-0001-01NKB

 

Remove/install

1

Remove upper engine cover.



Transmission 725.0 in model 167 with engine 176

AP01.10-P-2405-01M

Transmission 725.0 in model 167 with engine 256.9

AR01.10-P-2405MSC

 Installation: Only install upper engine cover after the leak test.

2

Remove engine air intake duct upstream of air filter.

3

Remove oil lines (3) from oil cooler (1) and seal with suitable stop plugs.

AR27.10-P-0501-03LF

 Record plug

*129589009100

4

Clamp off coolant hoses (2).

 Clamp

*000589403700

5

Remove coolant hoses (2) from oil cooler (1) and seal openings with protective covers.

AR20.20-P-7441-01RQ

 Set of protective caps

*001589009100

6

Push retaining clamp (4) upwards and remove oil cooler (1).


Push the retaining clip (4) up carefully.
Otherwise, the retaining clamp (4) will be damaged.

If the retaining clamp (4) is damaged,



fasten oil cooler (1) at position marked by arrow using repair bolt and washer.

7

Install in the reverse order.



Check

8

Check and correct oil level in automatic transmission.

AR27.00-P-0270EWN

9

Connect diagnostic unit device perform bleeding routine.



AD00.00-P-2000-06ME

10

Check engine cooling system for leak tightness.

Transmission 725.0 in model 167 with engine 176

AR20.00-P-1011MNO

Transmission 725.0 in model 167 with engine 256.9

AR20.00-P-1010MSC

 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

11

Carry out engine test run and check engine for proper leak tightness and leak tightness.

12

Install upper engine cover.

Transmission 725.0 in model 167 with engine 256.9

AR01.10-P-2405MSC



Transmission 725.0 in model 167 with engine 176

AP01.10-P-2405-01M