24 00 023 Removing and installing automatic transmission (GA6HP26Z) N62TU

WARNING: This page is about a different variant/trim than selected.

Special tools required:

00 2 030
23 0 132
23 4 050
24 1 110
24 2 390
24 4 160
23 4 161
24 4 165

IMPORTANT: After completion of work, check transmission oil level. See 00 11 500 CHECKING/TOPPING UP FLUID LEVEL IN AUTOMATIC TRANSMISSION (GA6HP26Z) .
Use only the approved transmission fluid. See AUTOMATIC TRANSMISSION - OPERATING FLUIDS .
Failure to comply with this requirement will result in serious damage to the automatic transmission!

WARNING: Danger to life!
Mount securing fixture for vehicle on lifting platform to prevent the vehicle from slipping off or tilting down. See 51 71 505 MOUNT SECURING FIXTURE FOR VEHICLE ON LIFTING PLATFORM .

Necessary preliminary tasks:

Disconnect battery . See 12 00... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .
If necessary, remove fan cowl . See 17 11 035 REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN (N52K) .
Remove underbody protection . See 51 47 491 REMOVING AND INSTALLING/REPLACING REAR UNDERBODY PROTECTION .
Remove reinforcement plate . See 31 10 010 REMOVING AND INSTALLING/REPLACING REINFORCEMENT PLATE .
Important notes on installation are described in this work step.
Remove exhaust system . See 18 00 020 REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM (N52K) .
Remove heat shields
Remove propeller shaft from front differential . See 26 11 000 REMOVING AND INSTALLING PROPELLER SHAFT (INSERTED) COMPLETELY .
Remove propeller shaft
Support engine with lifter when removing transmission

Unfasten nut.

Disconnect cable (1).

Installation:

Unfasten nut.
Adjust cable by means of holder (2) until spacing A = 1 mm is obtained
Tighten nut.

Fig 1: Identifying Cable And Holder
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Unfasten screws (1 and 2).

Tightening torque. See AUTOMATIC TRANSMISSION - TIGHTENING TORQUES .

Release lines (3) from retaining clips.

Fig 2: Identifying Screws, Lines And Retaining Clips

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Release screw (1).

Detach oil line (2) from front axle.

Fig 3: Identifying Screw And Oil Line

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Release screw (1).

Disconnect hydraulic lines (2) to transmission fluid cooler.

Installation:

Replace sealing rings.

Fig 4: Identifying Screw And Hydraulic Lines

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Unlock plug (1) by turning and disconnect
Release cable from retainers
Insert special tool 24 2 390 in sealing sleeve

These tasks are described in NOTES ON MECHATRONICS .

(Important: Observe important note)

Fig 5: Identifying Plug

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Release screw (1) and remove crankshaft sensor.

Fig 6: Identifying Screw And Crankshaft Sensor

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Release cable box (1) from holder (2).

Fig 7: Identifying Cable Box And Holder

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Release connector (1) from holder and disconnect.

Fig 8: Identifying Connector And Holder

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Supporting transmission:

Support 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 .

Fig 9: Identifying Tensioning Strap And Special Tools (23 4 050, 23 0 132, 00 2 030)

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Unlock and detach plugs (1) and (2).

Fig 10: Identifying Plugs

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

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

Crank engine further and release remaining 3 bolts.

Tightening torque. See AUTOMATIC TRANSMISSION - TIGHTENING TORQUES .

Fig 11: Identifying Screws

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Prepare special tool (1) 24 4 161 (A) with shaped section (2) 24 4 165 side (A) to (A).

Fig 12: Identifying Special Tool (24 4 161)

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Insert special tool 24 4 160 into opening of transmission housing and tensions slightly with screw (1).

Raise by turning screw (2) and clamp down.

Then tighten down screw (1).

Fig 13: Identifying Special Tool (24 4 160)

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Release screws.

Tightening torque. See AUTOMATIC TRANSMISSION - TIGHTENING TORQUES .

Unflange transmission.

Fig 14: Locating Screws

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Installation:

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

Fig 15: Identifying Bore

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Check that dowel sleeves are correctly seated.

Replace damaged dowel sleeves.

Fig 16: Identifying Dowel Sleeves

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Installation:

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

Flange automatic transmission to engine.