Exhaust Flap Vacuum Diaphragm, Checking

Exhaust Flap Vacuum Diaphragm, Checking

Special tools, testers and auxiliary items required

• Hand Vacuum Pump (VAS 6213)

Test Sequence

• Vacuum lines and hose connections free of leaks.

• Vacuum lines not plugged.

- Disconnect hose on vacuum diaphragm for exhaust flap at rear muffler.

- Connect hand vacuum pump to vacuum diaphragm.





- Generate vacuum using hand vacuum pump.





• Linkage must move upward.

- Vent the hand vacuum pump.

• Linkage must move downward.

If linkage does not move:

- Check the linkage for ease of movement and check the vacuum diaphragm for leaks.