Flush out automatic transmission and torque converter

AR27.55-P-0100B

Flush out automatic transmission and torque converter

06.03.2020

Transmission

722.6/9

With transmission flushing unit

Transmission

725.0

With transmission flushing unit

Modification notes

21.01.2020

Document completely revised.

Shown on transmission 722.6/9

1

Return flow pipe

2

Feed line

 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

 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

Topical note

Notes on threaded connections fastened using a tightening angle-based tightening process

AH00.00-P-0020-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Note on calculation of tightening torque when using insertion or socket tools with various effective lengths

AH00.00-P-0015-01CW

Notes on automatic transmission

AH27.19-P-0001-01NKB

 

Remove/install

1

Expose connecting point.

 Determine the connecting point according to the accessibility of the feed line (2) or the return line (1).

2

Clean area surrounding connecting point thoroughly.


Ensure scrupulous cleanliness.
Even the smallest dirt particles can lead to malfunctions in the hydraulic components and to total failure of the hydraulic system.

Assembly cleaner

*BR00.45-Z-1028-04A

3.1

Disconnect feed line (2) or return line (1) at connecting point with safety clip.

Transmission 725.0

Transmission 725.0 in model 166, 167, 205, 213, 217, 222, 238, 253, 257, 290, 292

AR27.10-P-0501-03LF

Transmission 725.0 in model 172, 207, 212, 231

AR27.10-P-0501-03CW

Transmission 725.0 in model 463 with engine 176
Transmission 725.0 in model 463 with engine 177
Transmission 725.0 in model 463 with engine 656

AR27.10-P-0501-03GW

Transmission 725.0 in model 218

AR27.10-P-0501-03RT

3.2

Disconnect feed line (2) or return line (1) at connecting point.

Transmission 722.6/9

 Installation: Replace seal.

 Transmission 722.6Banjo bolt or union nut, oil cooler line to torque converter and transmission housing

*BA27.55-P-1002-01B

 Transmission 722.9Bolt, oil line to transmission housing

*BA27.55-P-1002-01D

4

Connect transmission flushing unit.



000 588 08 82 00 Transmission flushing unit

WS27.00-P-0137B

 Note flow direction of oil circuit.

 Set of adapters

*722589019000

5

Flush valves of fully integrated transmission control controller unit (Y3/8) using diagnostic device.



Transmission 725.0 in model 166, 172, 207, 212, 218, 231, 292
Transmission 725.0 in model 463
up to model year 2019

AD00.00-P-2000-04A



Transmission 725.0 in model 167

AD00.00-P-2000-06ME



Transmission 725.0 in model 238

AD00.00-P-2000-06LWO



Transmission 725.0 in model 205, 213, 217, 222, 253
Transmission 725.0 in model 463
as of model year 2019

AD00.00-P-2000-04B



Transmission 725.0 in model 257, 290

AD00.00-P-2000-06FR

6

Flush oil circuit.

 Observe specifications from flushing unit manufacturer.

7

Install in the reverse order.



Check

8

Check and correct oil level in automatic transmission.

Transmission 722.6

AR27.00-P-0100AC

Transmission 722.9 (except 722.96/97) with transmission flushing unit

AR27.00-P-0270W

Transmission 722.96/97with transmission flushing unit

AR27.00-P-0270SYZ

Transmission 725.0 (except 725.007/017/037/047)

AR27.00-P-0270EWN

Transmission 725.007/017/037/047

AR27.00-P-0270EWH

 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

9

Perform engine test run and check automatic transmission for proper operation and leak tightness.

 Transmission oil cooling

Number

Designation

Transmission 722.6 in model 163

Transmission 722.6 in model 199

BA27.55-P-1002-01B

Banjo bolt or union nut, oil cooler line to torque converter and transmission housing

Stage 1

Nm

20

20

Stage 2

°

–

–

Hexalobular bolt

Nm

–

–

 Transmission oil cooling

Number

Designation

Transmission 722.6 in model 170, 171, 203, 209, 210, 215, 219, 220, 230, 240

Transmission 722.6 in model 204, 216, 221

BA27.55-P-1002-01B

Banjo bolt or union nut, oil cooler line to torque converter and transmission housing

Stage 1

Nm

5

5

Stage 2

°

90

90

Hexalobular bolt

Nm

–

12

 Transmission oil cooling

Number

Designation

Transmission 722.6 in model 211

Transmission 722.6 in model 212

BA27.55-P-1002-01B

Banjo bolt or union nut, oil cooler line to torque converter and transmission housing

Stage 1

Nm

5

5

Stage 2

°

90

90

Hexalobular bolt

Nm

–

12

 Transmission oil cooling

Number

Designation

Transmission 722.6 in model 207

Transmission 722.6 in model 461, 463

BA27.55-P-1002-01B

Banjo bolt or union nut, oil cooler line to torque converter and transmission housing

Stage 1

Nm

5

20

Stage 2

°

90

–

Hexalobular bolt

Nm

12

–

 Transmission oil cooling

Number

Designation

Transmission 722.9

BA27.55-P-1002-01D

Bolt, oil line to transmission housing

Banjo bolt

Stage 1

Nm

5

Stage 2

°

90

Hexalobular bolt

Nm

12

Repair materials

Number

Designation

Order number

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01