Lumina V6-204 3.4L DOHC (1991)
Vacuum Controller: Locations
Heater/Defrost Valve BI-Directional Vacuum Actuator
Behind I/P, On RH Side Of Plenum
Chevrolet Workshop Service and Repair Manuals
Vacuum Harness HVAC >
< A/C Vacuum Valve Actuator
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