Remove/install park pawl mechanism

AR27.60-P-0950W

Remove/install park pawl mechanism

21.08.2019

Transmission

722.9, 724.2

Transmission removed

Shown on TRANSMISSION 722.9

1

Transmission housing

81

Range selector lever

81d

Sealing ring

82

Detent plate

82s

Screw

83

Park detent

83f

Spring

84

Pilot bushing

84s

Screw plug

85

Bearing pin

85s

Screw plug

 Warning

Risk of injury to skin or eyes from hydraulic fluid spraying out under pressure.Risk of poisoning from swallowing hydraulic fluid.

Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses.

AS00.00-Z-0013-01A

 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 self-locking nuts and bolts

AH00.00-N-0001-01A

Notes on automatic transmission

AH27.19-P-0001-01NKB

 

Remove/install

1

Fasten transmission onto assembly stand.

Transmission 722.9

AR27.10-P-0600-01W

Transmission 724.2

AR27.10-P-0600-01EH



000 588 00 31 00 Assembly stand for cars

Transmission 724.2

WS01.00-N-3028B

 Transmission 724.2
Assembly device

*724589044000

 Transmission 722.9
Assembly stand

*116589065900

 Transmission 722.9
Mounting plate

*140589346300

 Transmission 724.2
Lifting device

*724589026300

2

Drain transmission oil and detach oil pan.

Transmission 722.9 in model 164, 171, 172, 203, 204, 205, 207, 209, 211, 212, 215, 216, 218, 219, 220, 221, 230, 231, 251
Transmission removedTransmission 722.9 in model 463Transmission removed

AR27.10-P-7030W

Transmission 722.9 in model 166, 292Transmission removed

AR27.10-P-7031GQ

Transmission 722.9 in model 217, 222Transmission removed

AR27.10-P-7031LFA

Transmission 724.2

AR27.10-P-7030EH


Cleanliness must be ensured when performing work on the transmission.
Otherwise, even the smallest foreign particle in the hydraulic components of the transmission can lead to malfunctions or a total failure of the transmission.

3

Remove oil filter.

 Installation: Replace seal.

 Transmission 724.2Screw/bolt, oil filter to electrohydraulic controller unit

*BA27.10-P-1015-04G

4

Remove electrohydraulic controller unit.

Transmission 722.9

AR27.19-P-0200W

Transmission 724.2

AR27.19-P-0200EH

5

Detach rear engine mount bearing bracket.

 Installation: Replace bolts.

 Transmission 722.9 (except 722.901/902/903/904/905/909/932)Bolt, bracket for rear engine mount to transmission

*BA27.40-P-1018-01A

 Transmission 722.901/902/903/904/905/909/932 in model 463Bolt, bracket for rear engine mount to transmission

*BA27.40-P-1012-01E

 Transmission 724.2Screw/bolt, rear bracket to transmission

*BA27.10-P-1007-04G

6

Remove range selector lever (81); to do so, remove screw (82s).

Transmission 722.9

 Installation: Check the sealing ring (81d) and replace if necessary.

 Transmission 722.9 (except 722.901/902/903/904/905/909/932)Bolt, detent plate to range selector lever

*BA27.40-P-1006-01A

 Transmission 722.901/902/903/904/905/909/932 in model 463Bolt, detent plate to range selector lever

*BA27.40-P-1007-01E

7

Remove detent plate (82) with tapered rod.

Transmission 722.9

8

Remove transfer case.

Transmission 722.96 in model 216, 221

AR28.10-P-1004SYZ

Transmission 722.96/97 in model 205

AR28.10-P-1004LWY

Transmission 722.96/97 in model 217, 222

AR28.10-P-1004LFX

Transmission 722.96/97 in model 212, 218

AR28.10-P-1004EW

Transmission 722.96 in model 204 with engine 272
Transmission 722.96 in model 204 with engine 642
Transmission 722.96 in model 204 with engine 651
Transmission 722.96 in model 204, 207.38 with engine 276
Transmission 722.96 in model 204.9 with engine 274

AR28.10-P-1004CWX

9

Remove screw plug (85s).

 Transmission 722.9 (except 722.901/902/903/904/905/909/932)Screw plug, bearing bolt of park detent

*BA27.40-P-1017-01A

 Transmission 722.901/902/903/904/905/909/932 in model 463Screw plug, bearing bolt of park detent

*BA27.40-P-1011-01E

 Transmission 724.2Screw plug to transmission, rear

*BA27.10-P-1008-04G

10

Remove bearing pin (85).

 Pull out the bearing pin (85) using a bar magnet.

11

Remove screw plug (84s).

 Transmission 722.9 (except 722.901/902/903/904/905/909/932)Screw plug, pilot bushing of park pawl mechanism

*BA27.40-P-1016-01A

 Transmission 722.901/902/903/904/905/909/932 in model 463Screw plug, pilot bushing of park pawl mechanism

*BA27.40-P-1010-01E

 Transmission 724.2Screw plug to transmission, rear

*BA27.10-P-1008-04G

12

Remove pilot bushing (84).

 Press the park detent (83) as far as possible against the spring (83f) and pull out the pilot bushing (84) using a bar magnet.

13

Remove park detent (83) together with spring (83f).

 Installation: Press spring (83f) onto stud (arrow) of park detent (83) and install both components in transmission housing (1).

14

Install in the reverse order.

 Automatic transmission complete

Number

Designation

Transmission 724.2

BA27.10-P-1007-04G

Screw/bolt, rear bracket to transmission

Stage 1

Nm

10

Stage 2

°

90

 Automatic transmission complete

Number

Designation

Transmission 724.2

BA27.10-P-1008-04G

Screw plug to transmission, rear

M16

Nm

22

M36

Nm

70

 Automatic transmission complete

Number

Designation

Transmission 724.2

BA27.10-P-1015-04G

Screw/bolt, oil filter to electrohydraulic controller unit

Nm

9

 Housing

Number

Designation

Transmission 722.9

BA27.40-P-1006-01A

Bolt, detent plate to range selector lever

Nm

8

 Housing

Number

Designation

Transmission 722.9 in model 463

BA27.40-P-1007-01E

Bolt, detent plate to range selector lever

Nm

8

 Housing

Number

Designation

Transmission 722.9 in model 463

BA27.40-P-1010-01E

Screw plug, pilot bushing of park pawl mechanism

Nm

70

 Housing

Number

Designation

Transmission 722.9 in model 463

BA27.40-P-1011-01E

Screw plug, bearing bolt of park detent

Nm

22

 Housing

Number

Designation

Transmission 722.9 in model 463

BA27.40-P-1012-01E

Bolt, bracket for rear engine mount to transmission

Stage 1

Nm

10

Stage 2

°

90

 Housing

Number

Designation

Transmission 722.9

BA27.40-P-1016-01A

Screw plug, pilot bushing of park pawl mechanism

Nm

70

 Housing

Number

Designation

Transmission 722.9

BA27.40-P-1017-01A

Screw plug, bearing bolt of park detent

Nm

22

 Housing

Number

Designation

Transmission 722.9

BA27.40-P-1018-01A

Bolt, bracket for rear engine mount to transmission

Stage 1

Nm

10

Stage 2

°

90