Installing automatic transmission (all-wheel drive vehicle) (GA8HP51Z)

Checking installation position of torque converter 

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• Check the installation dimension between the contact surfaces (1) and the outer edge (2) of the threaded hole of the torque converter with the special tool 0 490 189 (00 2 550)  .

See repair instructions:

• REMOVING AND INSTALLING/REPLACING TORQUE CONVERTER 

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• Align the automatic transmission horizontal to the engine before installation.
• Check the fitting sleeves (1) for correct seating and damage and replace if necessary.

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• Transmission flange-mount.
• Turn the torque converter until the bore of the torque converter is aligned with the bore of the drive plate.
• Fit the transmission bolts (arrows) and apply lightly.

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• Fit exhaust system bracket (2).
• Tighten the screws (1).

Transmission to engine
M8	Tightening torque	19 Nm
M12	Tightening torque	66 Nm

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• Replace nuts (1).

  Parts:  Nuts

• Tighten nuts (1).

Catalytic converter to holder
M8 Nut Replace nut.	Tightening torque	19 Nm

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• Release screw (1) and screw (2).
• Remove the special tool 0 494 451 (24 4 160) .

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• Install the sealing cap (1).

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• Install acoustic cover (2).
• Install the expanding rivet (1).

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• Replace screws.

  Parts:  Screws

• Turn the engine in the direction of rotation using special tool 0 493 380 (11 6 480) on the vibration damper to tighten all 6 screws (1).
• Tighten all 6 screws (1) of the torque converter using special tool 0 491 667 (24 1 110) .

Torque converter to flywheel
M10 Replace screws.	tightening torque	56 Nm

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• Remove the special tool 0 494 213 (24 2 390) from the sealing sleeve in the arrow direction.

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• Slide connector (1) in the arrow direction and lock it by turning it.
• Replace sealing rings.

  Parts:  Sealing ring

• Install hydraulic lines (2) on transmission.
• Position and tighten the screw (1).

Transmission oil line to transmission
M6x25 Replace the sealing ring.	tightening torque	8 Nm

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• Tighten the transmission bolts in the sequence (1) to (9).

Transmission to engine
M8	Tightening torque	19 Nm
M12	Tightening torque	66 Nm

Follow-up work 

• Refer to INSTALLING THE TRANSFER BOX (ATC 13-1) .
• Refer to INSTALLING FRONT PROPELLER SHAFT AT THE FRONT AXLE TRANSMISSION .
• Refer to INSTALLING TRANSMISSION CROSS MEMBER .
• Refer to IF INSTALLED: SCREWING DOWN TRANSMISSION SUPPORT BRACKET .
• Refer to FASTENING THE PROP SHAFT (PARTIALLY REMOVED) .
• Refer to INSTALLING THE RETAINING PLATES .
• Refer to INSTALLING THE HEAT SHIELDS .
• Refer to INSTALLING STARTER MOTOR .
• Refer to INSTALLING THE COMPLETE EXHAUST SYSTEM .
• Refer to CONNECTING ALL BATTERY GROUND LEADS .
• Refer to CHECKING/TOPPING UP THE OIL LEVEL IN THE AUTOMATIC TRANSMISSION .
• Refer to INSTALLING THE REAR DIFFUSER .
• Refer to IF INSTALLED: INSTALLING THE REAR AXLE COVER .
• Refer to INSTALLING THE TORSION STRUT ON THE REAR LEFT AND RIGHT .
• Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
• Refer to INSTALLING THE UNDERBODY PLANKING OF THE TRANSMISSION ON THE SIDE .
• Refer to INSTALLING THE STIFFENING PLATE .
• Refer to INSTALLING UNDERBODY PROTECTION AT REAR .
• Refer to INSTALLING FRONT UNDERBODY PROTECTION .
• Refer to INSTALLING ACOUSTIC COVER AT REAR .
• Refer to INSTALLING THE REAR HOOD SEAL .
• Refer to INSTALLING ACOUSTIC COVER .