24 34 561 Replacing Mechatronics (GA6HP26Z) (N63 engine, model years 2009 through 2012)

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Special tools required:

24 2 390

NOTE: After completing work:

Load specific data version with DIS

IMPORTANT:

After completing work, check TRANSMISSION OIL LEVEL .

Use only approved TRANSMISSION OIL .

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

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .

Necessary preliminary tasks:

Remove underbody protection at front and rear. See REMOVING FRONT UNDERBODY PROTECTION and REMOVING REAR UNDERBODY PROTECTION .
Remove exhaust system bracket

Remove plates (2).

Fig 1: Identifying Earth Strap And Panels

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Unfasten nut.

Disconnect cable (1).

Installation:

Adjusting cable:

Release nut
Adjust cable by means of holder (2) until spacing A ≥ 1 mm is obtained.
Tighten down nut

Fig 2: Locating Cable Nut
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Secure lever (1) with a cable tie (2) or wire in vertical position.

Fig 3: Securing Lever Using Cable Tie

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IMPORTANT: Mechatronics can be destroyed by static discharges. Therefore the contacts inside the plug must not be touched. Insert special tool immediately after work step.

Unscrew plug (1) and disconnect.

Fig 4: Disconnecting Connector

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Insert special tool 24 2 390 in sealing sleeve (1).

Fig 5: Inserting Special Tool (24 2 390) In Sealing Sleeve

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Remove TRANSMISSION OIL SUMP .

Unlock sealing sleeve with slide (1).

Fig 6: Sliding Sealing Sleeve

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Note position of sealing sleeve.

Pull out sealing sleeve (1).

Installation:

Screw in sealing sleeve partially (lug in upper area). Turn until lug engages in groove of transmission. Slide in sealing sleeve.

Lug on sealing sleeve must not be damaged!

Fig 7: Pulling Out Sealing Sleeve

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NOTE: GA6HP26Z TU

Release all screws (1 and 2).

1 = M6 x 59 mm
2 = M6 x 20 mm

Remove Mechatronics.

Fig 8: Identifying Mechatronics Screws

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Installation:

Check gaskets (1 and 2) for damage, replace gaskets if necessary.

Coat new seals with automatic transmission oil and install.

Fig 9: Identifying Gaskets

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Installation:

Insert screws (3) alternately until contact is made with each screw head.

Insert all further screws contact is made with each screw head.

Fig 10: Identifying Screw Head Screws

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NOTE: GA6HP26Z TU

IMPORTANT: Tighten down screws in order 1...13.
Failure to comply with this requirement will result in serious damage to the automatic transmission!
Tightening torque 24 30 1AZ .

Fig 11: Automatic Transmission Valve Body (Mechatronics) Screws Tightening/Loosening Sequence

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