Removing Transfer Box

WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Overview Of Transfer Box

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Information

To unscrew the cardan shaft bolts, a second fitter should sit in the vehicle and block the drive train by actuating the foot brake.

Remove front cardan shaft on the transfer box and tie it up.

Fig 2: Loosening Cardan Shaft Bolts
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Remove heat protection from cable plugs on servo motor.

Fig 3: Identifying Heat Protection Cover On Servo Motor
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Information
- The temperature sensor -1- on the transfer box is no longer used in model year 2004.
- If there is no temperature sensor, secure cable plug on the servo motor with tie-wraps.
  
  Fig 4: Identifying Transfer Box Servo Motor Plug Sequence
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Pull off cable plug on the servo motor -1, 2- and release cable holder.

Fig 5: Identifying Servo Motor Cable Plug
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Information

Always observe the exact work sequence when installing/removing the transmission cross member.
Remove transmission cross member.
Support transmission with transmission jack and secure with retaining band.
Unscrew bolts on body -A- .

Fig 6: Identifying Transmission Cross Member Bolts
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Unscrew two transmission cross member screws -B- on transfer box holder.
Place a wooden block -arrow- between the converter bell housing and suspension sub-frame.

Fig 7: Positioning Of Wooden Block Between Converter Bell Housing And Suspension Subframe
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Unscrew fastening nut and push holder with Tiptronic line -A- away to the side.

Fig 8: Locating Tiptronic Line Holder Fastening Nut
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Unscrew fastening screws -arrows- securing transfer box to main transmission.

Fig 9: Locating Transfer Box To Main Transmission Fastening Screws
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Separate transfer box from main transmission.

Fig 10: Removing Transfer Box
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Gradually drain transfer box. Pull out vent line and remove it from the retainers -arrows- on the upper side.

Fig 11: Locating Vent Line Retainers
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