vacuum leak sound from passenger interior 95GT

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05-11-2010, 06:04 PM

88GTBLACK

2nd Gear Member

Thread Starter

Join Date: Sep 2009

Location: NJ

Posts: 228

vacuum leak sound from passenger interior 95GT

i got a lot of other issues im currently fixing and was wondering what it could be before i start diagnosing/checking everything. under cruise throttle i hear a HISS from passenger side dash. Let off the gas it goes away. HVAC and A/C work fine blows cold...but still does it with everything off on the HVAC. Its my girls car its a 95GT AODE

05-11-2010, 07:51 PM

Bubba 95SN

4th Gear Member

Join Date: Apr 2009

Location: N.C.

Posts: 1,893

Is it a Cobra? Maybe it is about to bite HAHAHAHA. Has something to do with hvac controls. Pull glovebox out and listen maybe can see -hear where.

05-11-2010, 07:55 PM

sjd3021

1st Gear Member

Join Date: Jul 2008

Location: NJ

Posts: 54

could be a vacuum hose from your hvac control, does air come out of all the vents (floor,defrost,vents) when you turn the dial?

05-11-2010, 09:04 PM

88GTBLACK

2nd Gear Member

Thread Starter

Join Date: Sep 2009

Location: NJ

Posts: 228

Quote:

Originally Posted by Bubba 95SN

Is it a Cobra? Maybe it is about to bite HAHAHAHA. Has something to do with hvac controls. Pull glovebox out and listen maybe can see -hear where.

i agree its not a cobra but it could be a boost leak

its weird though everything works...air comes out of the defroster, floor, and air vents and all works well. I figured I would check here first I dont feel like messing with it right now I got enough on my own stang lol. any other ideas?