Electra V6-231 3.8L VIN C SFI (1988)
Air Conditioning System Vacuum Circuit W/Manual A/C
Check the operation of the air valves using the following chart. Put Fan Switch in HI to give a strong flow of air (engine warm and running at idle).
NOTE: The letters in the chart correspond to the valve positions shown in the vacuum diagram.
^ If the test indicates only one valve is not operating correctly, make the following checks:
-
Air valve and vacuum actuator move freely.