Strange Whistle in 94 Mustang, V6

wrr1020 · March 24th, 2011, 01:37 AM

Hey guys, so i noticed when my sister came by today as she was leaving her car was making a strange whistling sound. At idle it wouldn't do it, only when the brake was released to go in reverse and when she accelerates. She said its never done that before and was the first time its ever done this. Has anyone experienced anything like this. Car is a 94, V6, 130,000 miles. I'm normally in the modular forum but since this isn't my car i thought i'd seek knowledge from you guys. Any help would be appreciated, thanks.

Stang6899 · March 24th, 2011, 01:48 AM

Does it have a cold air intake? Cuz that would cause it

wrr1020 · March 24th, 2011, 01:52 AM

No CAI, car is completely stock.

MONSTERSTANG · March 24th, 2011, 01:58 AM

Originally Posted by Stang6899

Does it have a cold air intake? Cuz that would cause it

yep. seen v6 mustangs do this all the time with cai. sounds great!

mcqueen · March 24th, 2011, 02:07 AM

Whistling huh? Did it do it when she accelerated in drive? I'm thinking a possible vacuum leak. Small of course since it isn't audible at idle but becomes audible when the RPMs increase.

wrr1020 · March 24th, 2011, 02:19 AM

Originally Posted by mcqueen

Whistling huh? Did it do it when she accelerated in drive? I'm thinking a possible vacuum leak. Small of course since it isn't audible at idle but becomes audible when the RPMs increase.

Yeah it whistled when she accelerated away, car is in drive. When she's at idle with the brakes applied in reverse theirs no whistle, just simply letting off the brake and coasting backwards to back out of the driveway it would whistle again.

mcqueen · March 24th, 2011, 02:22 AM

I think the first thing you should do is start up the car and go around the easily accessible gaskets (upper intake, TB, etc) with some water. Watch for bubbles. Bubbles mean vac leak.

wrr1020 · March 24th, 2011, 02:26 AM

Originally Posted by mcqueen

I think the first thing you should do is start up the car and go around the easily accessible gaskets (upper intake, TB, etc) with some water. Watch for bubbles. Bubbles mean vac leak.

Thanks, i'll try that out tomorrow. Didn't have any time to look at the car today since she had to take off. Not like i'm the most knowledgeable guy when it comes to fixing cars so i probably wouldn't of done anything to fix it, which is why i'm asking here. Thanks again.

mcqueen · March 24th, 2011, 02:31 AM

Not a problem man. Hopefully it's just a gasket that's easy to get to

ag11hockey · March 24th, 2011, 01:24 PM

im thinking vacuum leak as well. my brothers car whistles like a tea kettle on the stove when he takes off.

Rich J · March 24th, 2011, 01:40 PM

I am willing to put my money on a vac leak as well.

whyxitx · March 24th, 2011, 09:03 PM

that'd be the turbo she's hiding from you

March 24th, 2011, 01:37 AM	#1
wrr1020 Regular 2002 Mustang GT Join Date: Sep 2009 Location: So Cal Posts: 430 iTrader: 0 reviews	Strange Whistle in 94 Mustang, V6 Hey guys, so i noticed when my sister came by today as she was leaving her car was making a strange whistling sound. At idle it wouldn't do it, only when the brake was released to go in reverse and when she accelerates. She said its never done that before and was the first time its ever done this. Has anyone experienced anything like this. Car is a 94, V6, 130,000 miles. I'm normally in the modular forum but since this isn't my car i thought i'd seek knowledge from you guys. Any help would be appreciated, thanks. __________________

March 24th, 2011, 01:48 AM	#2
Stang6899 Hardcore Enthusiast Modded V6 Join Date: Sep 2006 Location: Mukilteo WA Posts: 1,466 iTrader: 1 reviews	Does it have a cold air intake? Cuz that would cause it __________________ 1999 e46 328i BMW - Daily Driver 2001 SVT Cobra - Project 1995 v6 vert - SOLD 1996 v6 vert - SOLD 1995 v6 vert #2 - SOLD 1995 GT - SOLD 1997 v6 coupe - Parting

March 24th, 2011, 01:52 AM	#3
wrr1020 Regular 2002 Mustang GT Join Date: Sep 2009 Location: So Cal Posts: 430 iTrader: 0 reviews	No CAI, car is completely stock. __________________

March 24th, 2011, 01:24 PM	#10
ag11hockey Enthusiast 1999 Mustang V6 Join Date: May 2010 Location: Rochester NY Posts: 654 iTrader: 0 reviews	im thinking vacuum leak as well. my brothers car whistles like a tea kettle on the stove when he takes off. __________________

March 24th, 2011, 01:40 PM	#11
Rich J I'm doing it wrong 04 Grand Cherokee Join Date: Mar 2010 Location: South Eastern, Mass Posts: 5,211 iTrader: 0 reviews	I am willing to put my money on a vac leak as well. __________________ Formerly known as Demon_54 "I feel the same way about disco as I do about herpes." - Hunter S. Thompson

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