Fuel Delivery and Air Induction: Service and Repair

Charge Air Pipe

To remove







1. Remove the upper engine cover
2. Undo the bolt securing the bypass pipe on the turbocharger inlet pipe.
3. Remove the bypass valve from the charge air pipe.
4. Detach the connector to the pressure/temperature sensor on the charge air pipe
5. Undo the hose clips on the throttle body and charge air hose.
Man: Detach the venturi hose from the charge air pipe.






6. Undo 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 being replaced; first dismantle the pressure/temperature sensor. Then, fit it to the new charge air pipe. Apply petroleum jelly or the equivalent sparingly to the O-rings.


To fit
1. Remove the seal from the throttle body and pressure hose.
2. Carefully connect the charge air pipe to the throttle body and secure it with a bolt to the bracket on the cylinder head.
Man: Connect the venturi hose to the charge air pipe.


IMPORTANT
Check the O-ring on the throttle body, replace if necessary. In order to make fitting easier, the O-ring can be lubricated with a thin coat of petroleum jelly or the like part no.30 06 665












3. Connect the charge air hose to the pipe. Tighten the hose clip and the bolt on the cylinder head.
4. Plug in the pressure/temperature sensor connector.
5. Connect the bypass valve and tighten the bypass pipe at the turbocharger inlet pipe.
Tightening torque 6 Nm (4 lbf ft)
6. Fit the top engine cover.