Questions & Answers for: Mercury Grand Marquis valve actuator

...valve, or actuator not working. Also a broken valve to the heater core. A vacuum leak, or faulty actuator would cause the door not to function. You can narrow down the problem somewhat by making sure ...

2003 mecury heater system makes noise like flapper valves chattering on start up air blend door actuator is faulty or damaged!!

will not shift into overdrive help. thanks Try pulling off the EGR Valve, spray carb and choke cleaner in from backside where it connects to pipe, let it soak dump out and repeat a few times, then try

heater core 1991 grand marquis Car interior will not heat. I've replaced the heater control valve under the hood, isolated and flushed the heater core, back-flushed the engine cooling system, ...

valve. 2001 mercury grand marquis. i belive that year uses a blend door in the air box to change from hot to cold it should be electronic not cable operated if its a cable just follow the cable out of

...valve and actuator cable or motor if it moves according to your knob or button push (try an IR temp sensor to confirm hotness of engine vs heater core inlet and outlet if needed to diagnose a blocked ...

...bad ball joints or control arm bushings. Another possibility is a bad seal or check valve in the power steering actuator. Sorry no idea without a drive myself as your description is somewhat ...

...051 053 any clues on what these codes mean Unsure of codes as they should have 4 digits, but generally air only coming from defrost = vacuum leak, bad vacuum check valve or bad flapper door

...actuator (19E616). Incorrect heater control valve (18495) operation. Go To Pinpoint Test I . Are the heater hose's going through the fire wall hot ? I2 CHECK FOR HOT WATER TO THE HEATER CORE INLET ...

...valve. Coolant flows to the heater core at all times. Temperature is regulated by the blend air door and blend door actuator. Locate the blend door. Remove the actuator and open the door by hand. If ...