loud sucking noise coming from engine....

Ferndogg · November 4th, 2008, 07:42 PM

Alright im getting this loud air sucking noise from the back of the engine (passenger) side of the back engine. When i turn it off it will continue to keep making the air sucking noise from the back of the engine for about 5-10 secs after shut off. Im guessing its a lose hose or maybe the intake mani has a leak somewhere in the back. I couldnt see anything stand out while looking in the back. Any ideas what this problem can be?

JTS · November 4th, 2008, 09:38 PM

do you have a cai?

XpipeCobra · November 4th, 2008, 10:08 PM

Def. sounds like a CAI

Ferndogg · November 5th, 2008, 07:55 AM

No CAI the car is stock. Just getting a loud air sucking noise from the back near the fire wall. I cant see anything maybe there is a vac line or something off? is there even one back there?

Trick Tuners · November 5th, 2008, 11:26 AM

Is it only when the car is off? I've seen the AC make some noise once the car is off. If its a hissing sound at idle its probably a vacuum leak. Use a mechanics stethoscope (piece of tubing in your ear) to find it.

svtkidd23 · November 5th, 2008, 11:27 AM

vac leak

Patrick@LCR · November 5th, 2008, 06:12 PM

I'm something-ing vacuum leak.

Look around the passenger side of the engine bay and trace the smaller tubes about the diameter of your pinky finger.

Ferndogg · November 6th, 2008, 03:39 AM

It does the sound when the car is on period and when i shut it off it continues to make the sucking sound after shut off for about 5-10 seconds. Ill look on the passenger side near the fire wall for those tubes.

Thank you.

white_fang · November 6th, 2008, 07:11 AM

a/c lines, a/c, vac lines, all that i can think of probly more though

November 6th, 2008, 08:47 AM

Typical.. White Fang agrees with what has already been said in order to make himself seem like a tech.. Anyways.. Make sure the clamp on your intake/TB is on good and tight and there is no rips or cracks..

white_fang · November 6th, 2008, 09:03 AM

^ of corse if that what it sounds like

hey furndogg make a vid and post where its coming from

November 6th, 2008, 09:28 AM

Deffinately make a vid..

November 4th, 2008, 07:42 PM	#1
Ferndogg Newbie Join Date: Sep 2008 Posts: 6 iTrader: 0 reviews	loud sucking noise coming from engine.... Alright im getting this loud air sucking noise from the back of the engine (passenger) side of the back engine. When i turn it off it will continue to keep making the air sucking noise from the back of the engine for about 5-10 secs after shut off. Im guessing its a lose hose or maybe the intake mani has a leak somewhere in the back. I couldnt see anything stand out while looking in the back. Any ideas what this problem can be?

November 5th, 2008, 11:26 AM	#5
Trick Tuners MM Fanatic KB'd GT Join Date: Nov 2006 Location: San Diego Posts: 4,467 iTrader: 3 reviews	Is it only when the car is off? I've seen the AC make some noise once the car is off. If its a hissing sound at idle its probably a vacuum leak. Use a mechanics stethoscope (piece of tubing in your ear) to find it. __________________ Check out my forums for stuff on troubleshooting, tuning, etc We teamed up with Socal Performance Racing to bring dyno tuning to San Diego. Be friends with us on FB

November 6th, 2008, 07:11 AM	#9
white_fang Banned 1996,mustang around 5's 0-60 Join Date: Apr 2008 Location: maybee Posts: 747 iTrader: 0 reviews	a/c lines, a/c, vac lines, all that i can think of probly more though __________________ bbk cai 8.8 373 dual exuast ported heads bored 30 over forge crank aggressive cam minor shit also [SIZE="4"][COLOR="Red"]crew member #1 that loves mods and administrators[/COLOR][/SIZE]

November 6th, 2008, 09:03 AM	#11
white_fang Banned 1996,mustang around 5's 0-60 Join Date: Apr 2008 Location: maybee Posts: 747 iTrader: 0 reviews	^ of corse if that what it sounds like hey furndogg make a vid and post where its coming from __________________ bbk cai 8.8 373 dual exuast ported heads bored 30 over forge crank aggressive cam minor shit also [SIZE="4"][COLOR="Red"]crew member #1 that loves mods and administrators[/COLOR][/SIZE]

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Posted By	For	Type	Date
loud sucking noise coming from engine....	This thread	Refback	November 6th, 2008 07:54 AM

November 4th, 2008, 10:08 PM	#3
XpipeCobra Newbie Join Date: Nov 2008 Posts: 3 iTrader: 0 reviews	Def. sounds like a CAI

November 5th, 2008, 07:55 AM	#4
Ferndogg Newbie Join Date: Sep 2008 Posts: 6 iTrader: 0 reviews	No CAI the car is stock. Just getting a loud air sucking noise from the back near the fire wall. I cant see anything maybe there is a vac line or something off? is there even one back there?

November 5th, 2008, 06:12 PM	#7
Patrick@LCR Regular 97 Mustang, 98 Cobra pretty darn fast Join Date: Oct 2008 Location: San Diego, CA Posts: 69 iTrader: 0 reviews	I'm something-ing vacuum leak. Look around the passenger side of the engine bay and trace the smaller tubes about the diameter of your pinky finger.

November 6th, 2008, 03:39 AM	#8
Ferndogg Newbie Join Date: Sep 2008 Posts: 6 iTrader: 0 reviews	It does the sound when the car is on period and when i shut it off it continues to make the sucking sound after shut off for about 5-10 seconds. Ill look on the passenger side near the fire wall for those tubes. Thank you.

November 6th, 2008, 08:47 AM	#10
BlackSunshine Guest Posts: n/a	Typical.. White Fang agrees with what has already been said in order to make himself seem like a tech.. Anyways.. Make sure the clamp on your intake/TB is on good and tight and there is no rips or cracks..

November 6th, 2008, 09:28 AM	#12
BlackSunshine Guest Posts: n/a	Deffinately make a vid..

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