Remove/install electrohydraulic controller unit (transmission installed)

AR27.19-P-0200A

Remove/install electrohydraulic controller unit (transmission installed)

15.8.11

26.2.08

Value changed: Bolt securing pilot bushing to electrohydraulic controller unit

*BA27.19-P-1003-01A

 

Remove/install



Before starting work the area around the separation points on the transmission must be thoroughly cleaned. Even the smallest dirt particles, introduced into the hydraulic components, can lead to malfunctions and a total failure of the transmission

1

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).

2.1

Raise vehicle with vehicle lift

Models 461, 463

AR00.60-P-1000G

2.2

Remove rear part section of engine compartment paneling

Model 140 with gasoline engine: Detach rear section of the lower engine compartment paneling on the vehicle underbody and remove downwards.

Model 170

AR61.20-P-1105A

Model 163.172/ 174/ 175

AR61.20-P-1105GH

Model 211 with gasoline engine

AR61.20-P-1105T

Model 215, 220 with gasoline engine

AR61.20-P-1105M

Model 129, 202, 208, 210 with gasoline engine

AR61.20-P-1105AB

Model 230 with gasoline engine

AR61.20-P-1105R

2.3

Remove rear part of bottom sections of soundproofing

Model 140, 163 with diesel engine: Detach rear section of noise bottom section of soundproofing on vehicle underbody and remove downwards.

Model 202 with diesel engine

AR94.30-P-5300A

Model 210 with diesel engine

AR94.30-P-5300AB

Model 211 with diesel engine

AR94.30-P-5300T

Model 220 with diesel engine

AR94.30-P-5300M

3

Detach front retaining bracket of rear engine compartment paneling

Model 230

4.1

Disconnect plug connector (26)

Model 163, 463

4.2

Detach heat shield (62) and unplug connector (26)

Except model 163, 463

AR27.10-P-0500-01A



*BA27.40-P-1014-01A

5

Loosen pilot bushing (21), remove from transmission housing (2) and replace if necessary

AR27.19-P-0230A



*BA27.19-P-1003-01A



Pilot bushing modified

BT27.19-P-0004-01A

6

Drain transmission oil; to do this, unscrew oil drain screw (4)

 Installation: Replace sealing ring.



*BA27.10-P-1001-03A

 If the transmission oil is burnt or contains particles, the oil cooling lines and oil cooler must be flushed:

Except model 461, 463

AR27.55-P-0001A

Models 461, 463

AR27.55-P-0001GA

7

Remove transmission oil pan (3)

 Installation: Install new gasket



*BA27.10-P-1002-03A

8

Remove magnet (69) from transmission oil pan (3)

Vehicles as of approx. 04/2001

 Clean magnet (69).



Magnet (69) in transmission oil pan (3), added for the first time

Passenger cars only

BT27.40-P-0003-01A

9

Remove oil filter (5)

10

Remove bolt (19a) and remove electric controller unit (Y3/6)

 Pay attention to the positions of the punched windows in the pulse rings through the rpm sensor n3 hole (a) and the rpm sensor n2 hole (b).

 If the plastic part of the selector valve does not engage in the driver of the detent plate: 

Insert selector valve in driver of detent plate.

AR27.19-P-0200-01A

Disassemble/assemble electric controller unit (Y3/6).

AR27.19-P-0220A



*BA27.19-P-1001-01A

11

Install in the reverse order

12

Check oil level in automatic transmission, correct if necessary

AR27.00-P-0100AC

13

Read out fault memory with STAR DIAGNOSIS and erase if necessary

14

Perform transmission adaptation

Transmission adaptation must be performed after the transmission is changed or repaired.

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 proper function and leaktightness.

Number

Designation

Trans-mission 722.6 except 722.628/
648/649

Trans-mission 722.628

Trans-mission 722.649

BA27.10-P-1001-03A

Oil drain screw to oil pan

Nm

20

20

22

BA27.10-P-1002-03A

Bolt, oil pan to transmission housing

Nm

8

8

8

Number

Designation

Trans-mission
722.6

BA27.19-P-1001-01A

Bolt, electrohydraulic controller unit to transmission housing

Stage 1

Nm

8

Stage 2

°

-

Stage 3

°

-

BA27.19-P-1003-01A

Bolt, pilot bushing to electrohydraulic controller unit

Nm

2.5

Number

Designation

Transmission
722.6
except 722.660/661/662/663/666/673/674

Transmission
722.660/661/662/663/666/673/674

BA27.40-P-1014-01A

Bolt, heat shield to transmission housing

Nm

6

6