24 00 032 Removing and installing automatic transmission (GA6L45R)

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Special tools required:

IMPORTANT: After completion of work, check Transmission Oil Level.

Use only the approved transmission fluid

Failure to comply with this requirement will result in serious damage to the automatic transmission!

IMPORTANT: Aluminium-magnesium materials.

No steel screws/bolts may be used due to the threat of electrochemical corrosion.

A magnesium crankcase requires aluminium screws/bolts exclusively.

Aluminium screws/bolts must be replaced each time they are released.

The end faces of these screws/bolts are painted blue for the purposes of reliable identification.

Jointing torque and angle of rotation must be observed without fail (risk of damage) .

Necessary preliminary tasks:

Disconnect Battery Negative Lead
Remove underbody protection with bracket at front and rear.
Remove complete Exhaust System
Remove heat shields
Support engine with lifter when removing transmission

Release screws (1).

Remove bracket and heat shield.

Unclip lines (2).

Remove bracket (3).

Fig 1: Screws, Lines And Bracket

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Disconnect plug connector (1).

Release screws (2).

Remove retaining plate (3).

For tightening torque refer to 24 00 2AZ in 24 00 TRANSMISSION IN GENERAL .

Fig 2: Retaining Plate, Mounting Screws And Plug Connector

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Release aluminium screws on right next to cable retaining plate with special tool 00 9 010.

Blue aluminium screws/bolts must be replaced.

For tightening torque refer to 24 00 2AZ in 24 00 TRANSMISSION IN GENERAL .

Fig 3: Special Tool (00 9 010)

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Grip clamping sleeve (1).

Loosen nut (2).

Detach retainer (3) downwards using a screwdriver.

Pull cable (4) out of holder.

Installation note:

Adjust Selector Lever .

Fig 4: Clamping Sleeve, Cable, Retainer And Nut

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Release screw (1).

Disconnect hydraulic lines (2) to transmission fluid cooler.

Installation note:

Replace sealing rings.

Fig 5: Retaining Screw And Transmission Hydraulic Lines

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Release nut (1) and bracket from transmission oil lines on oil sump.

Fig 6: Transmission Oil Line Bracket Nut

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Supporting transmission:

Support transmission with special tools 23 4 050, 23 0 132 and 00 2 030.

Secure transmission with tensioning strap (1).

Tasks are described in Transmission Bracket .

After completion of work, check Transmission Oil Level.

Fig 7: Special Tools (23 4 050), (23 0 132), (00 2 030) And Tensioning Strap

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Unfasten screws (1) and nuts (2).

Remove transmission cross-member.

For tightening torque refer to 24 71 1AZ in 24 71 TRANSMISSION MOUNTS .

Fig 8: Transmission Cross-Member Screws And Nuts

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Remove propeller shaft from transmission.
Release center bearing.
Tie propeller shaft to one side.

Tasks are described in Removing Propeller Shaft.

IMPORTANT: Do not allow propeller shaft to hang from fixed ball joint (risk of damage)

Crank engine at vibration damper in direction of rotation until screw (1) is visible in opening.

Release all screws of torque converter with special tool 24 1 110.

Crank engine further and release remaining 5 bolts.

For tightening torque refer to 24 40 1AZ in 24 40 TORQUE CONVERTER .

Fig 9: Vibration Dampener Screw

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Insert special tool 24 1 370 into opening of transmission housing and secure with screw (1).

NOTE: Check installation location.

Lug (2) must point in opposite direction to direction of travel.

Fig 10: Special Tool (24 1 370), Screw And Lug

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Unlock and disconnect plug (1) by turning.
Do not touch pins.
Release cable from retainers.
Insert special tool 24 2 390 in sealing sleeve.

Operations are described in

NOTES ON MECHATRONICS

IMPORTANT: Read and comply with important note.

Fig 11: Plug And Removal Directions

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Release screws.

Installation note:

Observe screw fastening sequence without fail.

Tightening torque, steel screws 24 00 1AZ in 24 00 TRANSMISSION IN GENERAL .

Aluminium screws must be replaced.

For tightening torque and angle of rotation refer to aluminium screws/bolts 24 00 2AZ in 24 00 TRANSMISSION IN GENERAL .

Fig 12: Transmission Housing Bolts Tightening/Loosening Sequence

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Installation note:

Tighten down screws/bolts to specified torque.

Secure special angle of rotation tool 00 9 120 with magnet 00 9 130

to underbody and screw down blue aluminium screws/bolts in accordance with angle of rotation.

For angle of rotation refer to 24 00 2AZ in 24 00 TRANSMISSION IN GENERAL .

Fig 13: Special Tools (00 9 120) And (00 9 130)

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Installation note:

Bore (1) in driving disk must be accessible from opening on engine oil pan.

Fig 14: Driving Disk Bore

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Check that dowel sleeves are correctly seated.

Replace damaged dowel sleeves.

Fig 15: Dowel Sleeves

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Installation note:

Rotate torque converter until bore in torque converter is flush with bore in driving disk.

Flange automatic transmission to engine.