Remove/install oil pump

AR27.10-P-0400A

Remove/install oil pump

29.4.08

 

Remove/Install

1

Remove transmission with torque converter

Model 129, 140, 170, 202, 208, 210

AR27.10-P-0500B

Model 163

AR27.10-P-0500GH

Model 203 without 4MATIC, 209

AR27.10-P-0500P

Model 203 with 4MATIC

AR27.10-P-0500PW

Model 211 with 4MATIC

AR27.10-P-0500TW

Model 215, 220 without 4MATIC

AR27.10-P-0500I

Model 220 with 4MATIC

AR27.10-P-0500IW

2

Put transmission down on workbench

3

Take transmission housing (1) off torque converter housing (2)

 Internal Torx drive bolts (2a) 15 bolts and internal Torx drive bolts (1a) 2 bolts.

 Installation: The intermediate panel (6) on the torque converter housing (2) can usually be used several times. The panel must not be coated with sealant.

Bolt, transmission housing to converter housing

*BA27.40-P-1002-01A

4

Pull torque converter housing (2) off transmission housing (1)

 Ensure that the multi-disk clutch K1 (3) does not fall out.

5

Unscrew internal Torx drive bolts (4a) of oil pump (4)

Bolt, oil pump with multi-disk brake B1 to converter housing

*BA27.40-P-1003-01A

6

Screw two opposed bolts (a) into the oil pump housing (4) and press the oil pump (4) out of the converter housing (2) by applying light blows with a plastic hammer.



Inspect

7

Check oil pump (4)

 According to condition:

Dismantle and assemble oil pump

AR27.50-P-0720-01A

8

Check teflon rings (5a) of multi-disk brake B1 (5), replace if necessary

 Installation: Insert both teflon rings (5a) into groove with grease so that the joint stays together.

9

Install in the reverse order

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-1002-01A

Bolt, transmission housing to torque converter housing

Nm

20

20

BA27.40-P-1003-01A

Bolt, oil pump with multi-disk brake B1 to torque converter housing

Nm

20

20