Remove/install park pawl mechanism - AR27.60-P-0950W

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TRANSMISSION 722.9, 724.2 Transmission removed

MODIFICATION NOTES

9.1.14

Assembly device special tool, 724 589 03 40 00 replaced by 724 589 04 40 00.

AS 1

Shown on transmission 722.9

Fig 1: Park Pawl Mechanism Remove/Install Components - Shown On Transmission 722.9

Courtesy of MERCEDES-BENZ USA

	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 on assembly stand	TRANSMISSION 722.9 Transmission removed	AR27.10-P-0600-01W
		TRANSMISSION 724.2 Transmission removed Use engine assembly stand for TRANSMISSION 724.2. Boom crane Passenger car engine assembly stand	AR27.10-P-0600-01EH
		TRANSMISSION 724.2 expanded transmission Assembly device	Figure
		TRANSMISSION 722.9 expanded transmission Assembly stand	Figure
		TRANSMISSION 722.9 expanded transmission Mounting plate	Figure
		TRANSMISSION 724.2 expanded transmission Lifting device	Figure
2	Drain transmission oil and detach oil pan	TRANSMISSION 722.9 Transmission removed	AR27.10-P-7030W
2	Drain transmission oil and detach oil pan	TRANSMISSION 724.2 Transmission removed Cleanliness is essential when working 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. For cleaning, use lint-free cleaning cloth. Chamois leathers are the most suitable.	AR27.10-P-7030EH
3	Remove oil filter	Replace O-ring.
3	Remove oil filter	TRANSMISSION 724.2 Transmission removed	*BA27.10-P-1015-04G
4	Remove electrohydraulic controller unit	TRANSMISSION 722.9	AR27.19-P-0200W
4	Remove electrohydraulic controller unit	TRANSMISSION 724.2	AR27.19-P-0200EH
5	Detach rear engine mount bearing bracket	Replace screw/bolts.
		TRANSMISSION 722.9 except MODEL 463 transmission removed	*BA27.40-P-1018-01A
		TRANSMISSION 722.9 in MODEL 463 Transmission removed	*BA27.40-P-1012-01E
		TRANSMISSION 724.2 Transmission removed	*BA27.10-P-1007-04G
6	Remove range selector lever (81); to do so, unscrew bolt (82s)	TRANSMISSION 722.9 Transmission removed Check the sealing ring (81d) and replace if necessary.
		TRANSMISSION 722.9 except MODEL 463 transmission removed	*BA27.40-P-1006-01A
		TRANSMISSION 722.9 in MODEL 463 Transmission removed	*BA27.40-P-1007-01E
7	Remove detent plate (82) with tapered rod	TRANSMISSION 722.9 Transmission removed
8	Remove screw plug (85s)	TRANSMISSION 722.9 except MODEL 463 transmission removed	*BA27.40-P-1017-01A
		TRANSMISSION 722.9 in MODEL 463 Transmission removed	*BA27.40-P-1011-01E
		TRANSMISSION 724.2 Transmission removed	*BA27.10-P-1008-04G
9	Remove bearing pin (85)	Pull out the bearing pin (85) using a bar magnet.
10	Remove screw plug (84s)	TRANSMISSION 722.9 except MODEL 463 transmission removed	*BA27.40-P-1016-01A
		TRANSMISSION 722.9 in MODEL 463 Transmission removed	*BA27.40-P-1010-01E
		TRANSMISSION 724.2 Transmission removed	*BA27.10-P-1008-04G
11	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.
12	Remove park detent (83) together with spring (83f)	Press spring (83f) onto stud (arrow) of park detent (83) and install both components in transmission housing (1).
13	Install in the reverse order

COMPLETE AUTOMATIC TRANSMISSION

Number	Designation			TRANSMISSION 724.2
BA27.10-P-1007-04G	Bolt, rear bracket to transmission	Stage 1	Nm	10
BA27.10-P-1007-04G	Bolt, rear bracket to transmission	Stage 2	∠°	90

COMPLETE AUTOMATIC TRANSMISSION

Number	Designation			TRANSMISSION 724.2
BA27.10-P-1008-04G	Screw plug to transmission, rear	M16	Nm	22
BA27.10-P-1008-04G	Screw plug to transmission, rear	M36	Nm	70

COMPLETE AUTOMATIC TRANSMISSION

Number	Designation		TRANSMISSION 724.2
BA27.10-P-1015-04G	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
BA27.40-P-1012-01E	Bolt, bracket for rear engine mount to transmission	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
BA27.40-P-1018-01A	Bolt, bracket for rear engine mount to transmission	Stage 2	∠°	90

Fig 2: Identifying Mounting Plate (140 589 34 63 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Assembly Device (724 589 04 40 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Assembly Stand (116 589 06 59 00)

Courtesy of MERCEDES-BENZ USA

Fig 5: Identifying Lifting Device (724 589 02 63 00)

Courtesy of MERCEDES-BENZ USA