Procedure

Procedure

1. Remove the throttle body in accordance with Tis2Web 9-3 - 2. Engine - 4-cylinder petrol - Engine management system Trionic T8 - Repair Instructions - Throttle body actuator (604).

2. Check the function of the check valve using the pressure/vacuum pump 30 14 883. Connect the pump with a suitable nozzle to the hole for the check valve.

Is it possible to pump up a pressure?

Yes: The check valve is in order. Refit the throttle body in accordance with Tis2Web.

No: The check valve is faulty and must be replaced

Go to step 3.





3. M03: Remove the intake manifold in accordance with the following method, "Intake manifold with SAI, M03".

M04-: Remove the intake manifold in accordance with Tis2Web 9-3 - 2. Engine - 4- cylinder petrol - Intake system - Repair Instructions.





4. Press out the check valve.

5. Fit a new check valve.





6. M03: Fit the intake manifold in accordance with the following method, "Intake manifold with SAI, M03".

M04-: Fit the intake manifold in accordance with Tis2Web.