Removing Transmission Oil Cooler

→ Let hot components cool down.

→ Wear personal protective gear.

1. Clamp off coolant hoses.
   Fig 1: Connecting Coolant Hose

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
   1. 1.1. Clamp off coolant hose -1-  using hose clamping pliers Nr.192 -3-  .
   2. 1.2. Clamp off coolant hose -2-  using hose clamping pliers Nr.192 -4-  .
2. Place a container under the vehicle to collect coolant.
3. Pull off coolant hoses.
   1. 3.1. Open the spring band clamp -3-  on the coolant hose -1-  .

      Pull off the coolant hose.

      Fig 2: Opening Spring Band Clamps

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   2. 3.2. Open the spring band clamp -4-  on the coolant hose -2-  .

      Pull off the coolant hose.

   WARNING: Hot fluid

   • Danger of scalding

   → Avoid contact with hot fluid.

   → Wear personal protective gear.

4. Place a suitable container under the vehicle to collect the oil/coolant mixture.

   Information 

   The upper threaded joints for the transmission oil cooler cannot be loosened because they are obstructed by the B+ cable socket. To access the threaded joints, part of the cable duct for the B+ line must be detached.

5. Detach part of the cable duct for the B+ line.
   1. 5.1. Only unscrew the two screws at the right -2-  on the cable duct -1-  .
      Fig 3: Identifying Cable Duct For B+ Line

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   2. 5.2. Press the cable socket up in order to access the upper screws for the transmission oil cooler.
6. Remove transmission oil cooler.
   Fig 4: Identifying Threaded Joint For Transmission Oil Cooler

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   1. 6.1. Unscrew screws (M6 x 55) -1-  on the transmission oil cooler.
   2. 6.2. Unscrew screws (M6 x 20) -2-  on the transmission oil cooler.
   3. 6.3. Remove transmission oil cooler.
   4. 6.4. Collect emerging coolant and transmission oil.
7. Replace insert seal -1-  for the transmission oil cooler.
   Fig 5: Identifying Seal Of Transmission Oil Cooler

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1. 7.1. Carefully clean the sealing surface.