Removing Oil Cooler

1. Clamp off coolant hoses using >Nr.192 - hose clamping pliers  (-1 and 2-  ).

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   Hose clamping pliers for coolant hoses on oil cooler

2. Disconnect coolant hose -4-  from the oil pump.
   1. 2.1 Position a suitable container under the vehicle to catch escaping coolant.
   2. 2.2 Release spring band clamps -2-  using >VAS 6890 - spring band clamp pliers  and disconnect coolant hoses from the power electronics -4-  .
   3. 2.3 Catch escaping coolant.
   4. 2.4 Loosen spring band clamps -1-  using >VAS 6890 - spring band clamps pliers  .
   5. 2.5 For reasons of accessibility, coolant hose -3-  is only disconnected when removing the oil cooler.

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   Coolant hoses on oil cooler

3. Disconnect electric wiring harness -1-  .
   1. 3.1 Release and disconnect cable plug -2-  .
   2. 3.2 Unclip clips -3-  .
   3. 3.3 Hang electric wiring harness -1-  to the side.

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   Electric wiring harness PDK

4. Disconnect cable plug -1-  .
   1. 4.1 Release and disconnect cable plug -1-  .
   2. 4.2 Disengage cable plug -1-  from holder -2-  .

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   Wire harness on parking lock cover

5. Disconnect electric wiring harness -1-  .
   1. 5.1 Unclip clips -2-  .
   2. 5.2 Hang electric wiring harness -1-  to the side.

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   Electric wiring harness PDK

6. Remove oil cooler.
   1. 6.1 Position a suitable container under the vehicle to catch escaping oil/coolant mixture.
   2. 6.2 Unscrew screws -13 to 1-  .
   3. 6.3 Remove oil cooler and disconnect the top coolant hose.
   4. 6.4 Catch escaping oil/coolant mixture.

Fig 1: Oil Cooler Screws Tightening Sequence

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Tightening sequence for oil cooler