Removing and installing engine (vehicle with Tiptronic transmission): Installation

The engine-transmission unit is installed in the reverse order. The following points must be given special attention:

1. Before the engine is installed, prepare plug-in couplings of the steering lines for plugging together:
   1. Tilt holder C on one side and simultaneously pull to disengage.
      Fig 1: Disengaging Holder C On One Side

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   2. Detach threaded part A by pulling it off the nipple.
      Fig 2: Detaching Threaded Part A By Pulling It Off Nipple

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   3. Close holder C. Screw threaded part A with fitted holder C into plug-in coupling B and tighten. Counter when tightening. Tightening torque of the steering pressure line (wrench size 15) 30 Nm (22 ftlb.).

      Tightening torque of the steering return line (wrench size 19) 40 Nm (30 ftlb.).

      Fig 3: Fitting Holder Into Plug-In Coupling

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2. Lift the engine-transmission unit and connect the plug-in couplings immediately prior to reaching the final installation position.
   1. Insert the screwed plug into the plug-in coupling in a straight line. The plug must audibly engage in the holder.
      Fig 4: Inserting Screwed Plug Into Plug-In Coupling

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   2. Use special tool 9263 to check whether the plug-in coupling was engaged properly. Insert special tool 9263 into the groove (arrow) and apply slight pressure on the special tool to check whether the connection is securely locked (holder is seated properly). The plug must not slide out. If the special tool cannot be inserted in the groove of the plug, shift the plug in the plug-in coupling (pull on plug without using excess force).
      NOTE: The plug-in connection is designed so that the plug can be shifted in the plug-in coupling by approx. 1 mm in axial direction by slightly pulling or pressing.
      Fig 5: Checking Whether Plug-In Coupling Is Properly Engaged

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3. Move engine-transmission unit to installation position and fasten.
4. Place both steering lines into the holder, lift the bow and let it engage. Check whether the holder is seated properly on the body fastening point.
5. Fit engine wiring harness:
   1. Line up marking of the round connector with marking on the housing.
      Fig 6: Lining Up Marking Of Round Connector With Marking On Housing

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   2. Turn round connector clockwise by approx. 90° (bayonet lock).
      Fig 7: Turning Round Connector Clockwise

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      NOTE:

      • The round connectors are marked.
      • Left connector - white mark
      • Right connector - blue mark.
6. Fit air-conditioning compressor Before installation, check whether the spacer sleeve is fitted or present at the rear fastening point. Grease and fit sleeve.
   Fig 8: Checking Whether Spacer Sleeve Is Fitted Or Present At Rear Fastening Point

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7. Fit drive belt. Observe sequence when fitting the belt and direction of motion if the belt was run.
   Fig 9: Fitting Drive (Serpentine) Belt

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8. Fit reservoir for power steering system.
   1. Remove plug.
   2. Turn adjusting ring counterclockwise to its original position.
      Fig 10: Turning Adjusting Ring Counterclockwise To Its Original Position

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   3. Push reservoir downward and turn adjusting ring clockwise until the marks line up.
      Fig 11: Turning Adjusting Ring Clockwise Until Marks Line Up

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   4. Fill in Pentosin. Observe the specification for bleeding.

      See CHECKING PENTOSIN CHF 11 S HYDRAULIC FLUID IN THE POWER-STEERING SYSTEM .

9. Fit round connector on Tiptronic transmission.
   1. Turn adjusting ring counterclockwise to its original position.
      Fig 12: Turning Adjusting Ring Counterclockwise To Its Original Position

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   2. Turn adjusting right clockwise until the plug engages. (bayonet lock)
      Fig 13: Turning Adjusting Right Clockwise Until Plug Engages

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10. Engage accelerator cable and close accelerator cable mount sleeve.
    Fig 14: Engaging Accelerator Cable And Close Accelerator Cable Mount Sleeve

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    1. Turn rotary sleeve in the direction indicated by the arrow (closed) and line up the marks on the accelerator mount sleeve and rotary sleeve.
       Fig 15: Turning Rotary Sleeve In Direction Indicated By Arrow

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11. Fill in coolant and bleed cooling system. SeeDRAINING AND FILLING IN COOLANT (INCLUDES: BLEEDING) .