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Charge air pipe

Charge air pipe

To remove


1. Remove the upper engine cover.


2. Remove the hose from the turbo pressure sensor.

3. Undo the bolt securing the bypass pipe at the turbocharger intake pipe.

4. Remove the charge air bypass valve from the charge air pipe.

5. Unplug the connector to the temperature sensor on the charge air pipe.

6. Undo the hose clips at the throttle body and charge air hose.


7. Unscrew the bolt securing the charge air pipe to the bracket on the cylinder head and remove the pipe. Cover the throttle body and charge air hose.

Important

If the charge air pipe is to be replaced; remove the intake air temperature sensor first and fit it to the new charge air pipe.



To fit


1. Remove the seal from the throttle body and delivery hose.


2. Carefully connect the charge air pipe to the throttle body and screw it to the bracket on the cylinder head.

Important

Check the O-ring on the throttle body and replace if necessary. To facilitate fitting the O-ring, apply a thin layer of Vaseline or equivalent, part no. 30 06 665


Important

To reduce the risk of hoses mounted on the delivery side of the turbocharger coming loose due to low friction at high air pressure, the hoses and connecting pieces must be cleaned thoroughly before fitting. Use a rag dampened with 93 160 907 Motip Dupli cleaning agent to wipe clean inside the ends of the hoses. Clean the connecting pieces as well. If hose clips are rusty or damaged, they must be replaced so the correct clamping force is maintained.


3. Connect the charge air hose to the pipe. Tighten the hose clip and bolt on the cylinder head.

4. Plug in the temperature sensor connector and connect the hose to the turbo pressure sensor.


5. Connect the bypass valve and tighten the bypass pipe on the turbocharger intake pipe.

(6 lbf ft)

6. Fit the upper engine cover.