Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPORSCHE2005CAYENNE TURBO (9PA) V8-4.5L TURBOREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINTRANSFER CASECONTROL MODULESERVICE AND REPAIRREMOVING AND INSTALLING TRANSFER GEAR CONTROL UNIT
2005 Porsche Cayenne Turbo (9PA) V8-4.5L Turbo
Removing and Installing Transfer Gear Control Unit
2005 Porsche Cayenne Turbo (9PA) V8-4.5L TurboSECTION Removing and Installing Transfer Gear Control Unit
WM 391319 Removing and installing transfer gear control unit
Removing transfer gear control unit
Installation position of transfer gear control unit
Information
- The control unit is located under the right front seat.
1. The ignition key must be removed before pulling the connector off the control unit.
2. Move right front seat all the way back and up.
3. Unclip right front seat trim and remove drawer.
4. Unscrew the fastening screw -arrow- for the holder.
Unscrewing fastening screw for holder
5. Move the seat all the way forward.
6. Release the two connectors -A- and pull them off -B-.
Releasing and removing connectors
7. Remove the holder with the two control units -C-.
8. Press the two locks outwards -A- and remove the control unit -B-.
Removing transfer gear control unit
Installing transfer gear control unit
Installation position of transfer gear control unit
1. Insert the control unit -A- until the locking lugs -B- engage with an audible click.
Inserting and locking control unit
2. Insert the two connectors -A- and press in the locking mechanism -B- until it engages securely.
Connecting and locking connectors
3. Place the holder with the two control units in installation position -C-.
4. Move the seat all the way back and secure the holder with the fastening screw -arrow-.
Tightening fastening screw
5. Clip in right front seat trim and install drawer.
Removing transfer gear control unit
Installation position of transfer gear control unit
Information
- The control unit is located under the right front seat.
1. The ignition key must be removed before pulling the connector off the control unit.
2. Move right front seat all the way back and up.
3. Unclip right front seat trim and remove drawer.
4. Unscrew the fastening screw -arrow- for the holder.
Unscrewing fastening screw for holder
5. Move the seat all the way forward.
6. Release the two connectors -A- and pull them off -B-.
Releasing and removing connectors
7. Remove the holder with the two control units -C-.
8. Press the two locks outwards -A- and remove the control unit -B-.
Removing transfer gear control unit
Installing transfer gear control unit
Installation position of transfer gear control unit
1. Insert the control unit -A- until the locking lugs -B- engage with an audible click.
Inserting and locking control unit
2. Insert the two connectors -A- and press in the locking mechanism -B- until it engages securely.
Connecting and locking connectors
3. Place the holder with the two control units in installation position -C-.
4. Move the seat all the way back and secure the holder with the fastening screw -arrow-.
Tightening fastening screw
5. Clip in right front seat trim and install drawer.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.