Installing automatic transmission (all-wheel drive vehicle) (GA8HP76Z)

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 its hole is aligned with the hole of the flywheel.
• Fit the transmission bolts (arrows) and apply hand-tight.

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

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• Replace screws.

  Parts:  Screws

• First  screw the torque converter onto the vertically arranged elongated hole (1).

  It is imperative to first screw the torque converter on the vertically arranged elongated hole (1).

• Turn the engine on the vibration damper in direction of rotation until the elongated hole (1) is visible in the opening.
• Tighten down screw.

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  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Torque converter to flywheel
  M10 Replace screws.	tightening torque	60 Nm

• Observe the tightening sequence of the additional five screws (torque converter on flywheel) compulsorily: 

  Tightening sequence: 1 - 4 - 3 - 6 - 5 - 2 

  The screw connection (1) is the vertically arranged elongated hole in the torque converter.

  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Torque converter to flywheel
  M10 Replace screws.	tightening torque	60 Nm

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• Install the sealing cap (1).

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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.
• Tighten the transmission bolts (arrowed).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Transmission to engine
  M8	tightening torque	19 Nm
  M10	tightening torque	38 Nm

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• Install heat shield (3).
• Tighten the nuts (2) and screw (1).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Heat shield of tunnel
  	tightening torque	3 Nm

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• Replace sealing rings.

  Parts:  Sealing ring

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

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

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

  Transmission oil line on holder
  M6	Tightening torque	4 Nm

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• Fasten the lines (2).
• Tighten down screw (1).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Standard screw connection
  M5	Tightening torque	5 Nm

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• Install the sensor (2).
• Tighten down screw (1).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Standard screw connection
  M5	Tightening torque	5 Nm

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• Connect the connector (2) to the sensor.
• Lock the connector fastener (1) audibly.

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• Install the heat shield (2).
• Tighten the screws (1).

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Follow-up work 

• Refer to INSTALLING THE CATALYTIC CONVERTER NEAR ENGINE, BOTTOM AT BANK 2 .
• Refer to INSTALLING THE CATALYTIC CONVERTER NEAR ENGINE, BOTTOM AT BANK 1 .
• Refer to INSTALLING HEAT SHIELD, TOP .
• Refer to INSTALLING THE LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 1 TO 4 .
• Refer to INSTALLING THE LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 5 TO 8 .
• Refer to INSTALLING THE CROSSING OF THE TRANSMISSION WIRING HARNESS .
• Refer to INSTALLING THE COOLANT EXPANSION TANK FOR THE LOW-TEMPERATURE .
• Refer to INSTALLING THE OXYGEN SENSOR MONITOR FOR CYLINDERS 1 TO 4 .
• Refer to FASTENING THE ENGINE VENTILATION LINE OF CYLINDER BANK 1 .
• Refer to INSTALLING BRACKET FOR RIGHT INTAKE SILENCER .
• Refer to INSTALLING OIL FILLER NECK .
• Refer to FASTENING THE ENGINE VENTILATION LINE OF CYLINDER BANK 1 .
• Refer to INSTALLING RIGHT INTAKE SILENCER HOUSING .
• Refer to INSTALLING THE OXYGEN SENSOR MONITOR FOR CYLINDERS 5 TO 8 .
• Refer to FASTENING THE ACTIVATED-CHARCOAL FILTER LINE .
• Refer to FASTENING THE ENGINE VENTILATION LINE OF CYLINDER BANK 2 .
• Refer to INSTALLING THE LEFT INTAKE SILENCER BRACKET .
• Refer to FASTENING THE ENGINE VENTILATION LINE OF CYLINDER BANK 2 .
• Refer to INSTALLING LEFT INTAKE SILENCER HOUSING .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to INSTALLING FRONT PROPELLER SHAFT AT THE FRONT AXLE TRANSMISSION .
• Refer to INSTALLING THE TRANSFER BOX (ATC 13-1) .
• Refer to FASTENING THE PROP SHAFT (PARTIALLY REMOVED) .
• Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
• Refer to INSTALLING TRANSMISSION CROSS MEMBER .
• Refer to RECONNECTING ALL BATTERY GROUND LEADS .
• Refer to CHECKING/TOPPING UP THE TRANSFER BOX OIL (ACTIVE TORQUE CONTROL 13-1) .
• Refer to INSTALLING THE AIR DUCT .
• Refer to INSTALLING THE HEAT SHIELDS .
• Refer to INSTALLING EXHAUST SYSTEM .
• Refer to INSTALLING THE REAR LEFT AND RIGHT TENSION STRUT .
• Refer to INSTALLING THE STIFFENING PLATE .
• Refer to INSTALLING THE RIGHT STRUT BRACE .
• Refer to INSTALLING LEFT STRUT BRACE .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to ENCODING/PROGRAMING CONTROL UNIT(S) .