626 L4-2184cc 2.2L SOHC F2 (1989)
Vacuum Switching Valve Port Identification
2.
Connect a vacuum pump to the valve.
3.
Blow through the valve from port "A" and verify that air comes out of port "B" when 66-106 mmHg (2.6-4.2 in.Hg) of vacuum is applied.
Testing Coolant Temperature Switch
WATER THERMO VALVE
1.
Remove the water thermo valve.
2.
Immerse the valve in a water-filled container.
3.
Heat the water gradually and observe the temperature.
4.
Blow through the valve from one vacuum port and verify that air comes out of the other port at 46-54°C (115-129°F).
THREE WAY CHECK VALVE
Three Way Check Valve
1.
Remove the check valve.
Three Way Check Valve
2.
Blow through the valve from port "A", and check that air comes out of port B. Next, block port "B" and check that air comes out of port "C".
3.
Block port "B".
4.
Connect a vacuum pump to port "A" and verify that no vacuum is held.
SOLENOID VALVE (PURGE)
