vacuum pump location Blower on AC will blow only on defrost and floor vents... will run on panel vents but not come out the dash panel vents The problem has nothing to do with a "vacuum pump." You ...
...expedition air conditioning air comes out the windshield and floor, not the front panels You have a vacuum leak in the engine compartment mst likely. Check the vacuum line from the engine to the ...
...in what could it be There are issues with the 4x4 system I.w.e ends ingesting moisture/water into vacuum actuation system causing no 4x4 or ratcheting outboard I.w.e ends. (Even if you don't go ...
...expidition blow out of the defrost instead of the vents when accelerating over 40 mph ? You have a vacuum leak.Defrost is the default position (no vacuum). You have a vacuum reservoir that mounts ...
...upward to the front windshield n not directly at the driver or passenger The mode doors are vacuum controlled. This vacuum is produced by the intake on the engine. When you lose vacuum to the ...
How do I locate the vacuum that will move my vent controls In your Ford Expedition, the vacuum line from the intake plenum is routed through the firewall, just about dead center between the driver and
where is the vacuum pot located if you're talking about the vacuum reserve, it's behind the battery in between the passenger fender. if you mean the vacuum source, it's right above the ...
ac only blows through the defroster and floor Look under the hood for a vacuum line off. The vents are controlled by vacuum that if the hose breaks or comes off default the vents to defrost so that ...
...flow to egr This is usually the DPFE solenoid at the back of the motor. It has 2 short high temp Vacuum lines running to a pipe at the rear of the motor and 1 Vacuum line going to the EGR. Check ...
...chages air flow from panel to defrost when under load Suspect a problem with a check valve in the vacuum lines somewhere. When you ask for "power", the manifold vacuum dives. This is affecting your ...
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