Loosening Main Wire Harness For PDK Transmission

Fig 1: Identifying Main Wire Harness Installation Position For PDK Transmission

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1. Central connector, front
2. Plug connection for thermal management change-over valve
3. Central connector, rear
4. Plug connection for temperature sensor
5. Plug connection for change-over valve for disc valve for oil/water heat exchanger

→ The main wire harness contains all airbag lines, antenna lines and optical waveguides.

→ The main wire harness must not be separated and is always replaced as a complete wire harness when carrying out extensive repairs.

→ If individual lines are damaged, shut off these lines and install new lines. Lay the new lines along the main wire harness and secure them to the main wire harness.

Information 

Always comply with the regulations for handling ESD-sensitive components!

• Assembly work may only be carried out if the mechanic is wearing the working clothes and shoes approved by Porsche. 
• The new part must only be removed from the ESD (electrostatic discharge) protective packaging just before installation and at the position at which the part is to be installed. 
• Never touch the electric pins and plug contacts. 

1. Disconnect plug connection for thermal management change-over valve and rear central connector.
   Fig 2: Disconnecting Thermal Management Change-Over Valve And Central Connector

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   1. 1.1. Release plug connection for thermal management change-over valve -a-  and pull it off -B-  .
   2. 1.2. Open the rear central connector by turning it anti-clockwise -C-  and pull it off -D-  .
2. Disconnect front central connector and detach cable duct.
   Fig 3: Disconnecting Central Connector And Cable Duct

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   1. 2.1. Open the front central connector by turning it anti-clockwise -A-  and pull it off -B-  .
   2. 2.2. Detach cable duct -C-  .
3. Disconnect plug connection for temperature sensor and release wire harness.
   Fig 4: Disconnecting Temperature Sensor And Clip

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   1. 3.1. Pull out lock on plug connection for temperature sensor -a-  .
   2. 3.2. Release the plug connection -b-  and pull it off -C-  .
   3. 3.3. Unclip wire harness -D-  .
4. Disconnect plug connection for change-over valve for disc valve and release wire harness.
   Fig 5: Disconnecting Change-Over Valve For Disc Valve And Wire Harness

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   1. 4.1. Release plug connection for change-over valve for disc valve -a-  and pull it off -B-  .
   2. 4.2. Pull off fixing clip for wire harness -C-  .
5. Feed out wire harness, starting at the front.
6. Detach rubber sleeve -1-  under the rear seat.
   Fig 6: Identifying Rubber Sleeve

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7. Disconnect plug connections for transmission control unit. → 373019 REMOVING AND INSTALLING TRANSMISSION CONTROL UNIT

   To do this, fold the carpet at the right forward slightly.

8. Prepare sub-part for disconnection.
   Fig 7: Preparing Sub-Part

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   1. 8.1. Unclip fixing clips -1-  at the seat well.
   2. 8.2. Remove adhesive tape in area -2-  of the connection for the PDK transmission control unit.
9. Disconnect sub-part in area -X-  .

   Cut off lines in different lengths (due to the shrink-fit hose connections).

   Fig 8: Identifying Sub-Part Different Lengths Dimension

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