Intake Manifold Flap Vacuum Actuator, Checking
Intake Manifold Flap Vacuum Actuator, Checking
Special tools, testers and auxiliary items required
• Hand Vacuum Pump (VAS 6213) or (V.A.G 1390)
Conditions
• Intake Manifold Runner Control (IMRC) valve (N316) was checked using "Guided Fault Finding" in the vehicle diagnostic tester.
Sequence
If the IMRC valve is OK:
- Disengage the coolant hoses - A - and pry out the cover - arrow -.
- Set the slide ring - 1 - on the (VAS 6213) to position - A - for "vacuum".
- Connect the (VAS 6213) to the vacuum actuator - arrow -.
- Operate the (VAS 6213) several times. Operating plunger must move in the - direction of the arrow -.
- Disconnect the (VAS 6213) from the vacuum actuator. Operating plunger must spring back into its initial position.
- If the operating plunger does not move as described, replace the actuator.