Questions & Answers for: Ford Econoline vacuum leak

...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 head unit are in place and not kinked or

vacuum leak problem and where is the best place to start on this make and model of vehicle, which is a 1992 Ford E-150 with a 5.8L engine? Checking for vacuum leaks is good place to start since air is

...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 ...

vacuum leak. The damper failure on acceleration suggests the vacuum was weak to begin with. Would it be possible to disconnect the vacuum at the manifold and the switch and just jump directly from the

...vacuum leak in the engine compartment that is causing your system to default to defrost when engine vacuum is low (such as when accelerating or going uphill). See if you can find the vacuum line that ...

...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 see. If so can ...

...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

vacuum leak between your intake manifold and along any of the several soft rubber vacuum hoses under dash and under the hood. They may have been pulled loose accidentally or you may have had a naughty

...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

...vacuum leak, and it doesn't necessarily have to be at the modulator. Vacuum loss anywhere on the engine will result in no, or insufficient vacuum to the modulator. I remember the vacuum motor that ...