Questions & Answers for: Ford Econoline vacuum leaks

...vacuum leaks, as most of the blend air doors that allow heat into the van are vacuum operated. It doesnt take much of a vacuum leak to lose your heat. Finally, make sure the control cables behind the ...

...vacuum leaks is good place to start since air is still used for regulation in the engine. You must check all of them. Check the fast idle control valve. It may be dirty or the vacuum hose are ...

...vacumn line,if its getting vacumn then maybe the regulator is bad,which cost about $55.00 If your Vacuum brake booster is leaking The great loss of vacuum when you apply the brake pedal will kill ...

...works but the air damper does not open that air to come out of the vents, I have checked all vacuum lines, before it completely shot down, the damper used to open up after idling or speeding

air stops blowing when going up a hill. the blower is running You probably have a vacuum controlled mode switch and there may be a vacuum leak in the engine compartment that is causing your system to ...

1997 ford e250. VAcuum leak from hose going thru firewall. Pulled hose out to replace and found a check valve with another vacuum line attached (1/4"). Is there a canister down there that I can't

...from defrost to floor, vent or anyother funcion on the heat side of the air system check for a vacuum leak at the intake manifold, sounds like you have a broken vacuum hose to the heater

...I accelerlate with my AC on the vents cut off and shift to the defrost vents You probably have a vacuum leak between your intake manifold and along any of the several soft rubber vacuum hoses

...Any ideas? A vacuum leak & now a lean O2 sensor code You found the answer,now find the leak CHECK FOR VACUUM AIR LEAKS AT THE AIR INTAKE TUBES AND CHECK FOR VACUUM LEAK AT THE PCV VALVE AND

...don"t try to accelerate to fast. It's nice to hear about the good ole days. You likely have a vacuum leak, and it doesn't necessarily have to be at the modulator. Vacuum loss anywhere on the ...