9-3 FWD (9440) L4-2.0L Turbo (B207R) (2009)
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.