Possible Vacuum leak?

[xplror]

i think my explorer might have a vacuum leak, it makes a weird noise coming from behind the glove box when accelerating, sounds like a leak to me. don't know if there's any way to check if its a leak or not though.

 

[Rcflyer330]

do a search for ac vacuum check valve there are about 50 of these asking you same question.

anyway it's your ac check valve it needs to be replaced.
i will post a thread on how to replace it and where its located once i find the thread again.


Edit. I found it quicker than i thought. look for the post that i made in this thread.

08 Explorer Eddie Bauer A/C Problem

Hi there. I'm having an issue with my A/C. While running A/C through the console vents everything seems fine until you accelerate. Then it starts blowing through the defrosters. Sometimes shortly after you stop it starts blowing through the console vents again. Then after accelerating again...

www.explorerforum.com

 

[Bazz270]

There is a vacuum receiver tank and the interior firewall vacuum hoses grommet behind the glovebox area.take the glovebox apart and check them.

Usually the whole vacuum line ( interior to the engine bay) should be replaced

Anyways,pressure and vacuum lines could be tested using simple smoke generator.

 

[swshawaii]

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