Chart F Improper Air Delivery
Chart F: Improper Air Delivery:
Check operation of valves using the illustrated chart. Adjust Blower Speed to HI to give a strong air flow (engine warm and inning at idle).
NOTE: The letters in the chart correspond to the valve positions shown on opposite page.
^ If tests indicate only one valve is not operating correctly, make the following check:
^ Air valve and vacuum actuator move freely.
^ Vacuum hose is connected and not pinched.
^ Vacuum is present when valve is moved from rest position. If vacuum is not present, replace A/C Mode Selector.
^ If no valves operate, check violet hose for vacuum at the heater and A/C Control. if vacuum is not present, check hose back to engine vacuum source for pinching or leaks.