Thud coming from underneath my car. Help

ocsailor86 · November 8th, 2008, 01:53 AM

I got a 96 mustang gt. Its not lowered or anything but when i go to take off i let out of the clutch and take off, but when i do i hear and feel this thud that seems to be right under my seat. It doesnt happen while im driving just when i take off. Could it be a tranny mount issue? I dunno. please help

96gtstang&V6 · November 8th, 2008, 02:37 AM

well how hard of a thud is it? are you feeling any vibration?

ocsailor86 · November 8th, 2008, 10:16 AM

No im not feeling a hard vibration at all. Its a quick thud that feels like it right below me. And it doesnt do it all the time.

96gtstang&V6 · November 8th, 2008, 02:36 PM

its gotta be a problem somewhere in your drivetrain. get under there and take a look make sure nothings loose. do you notice any other problems example in clutch? shifting?

ocsailor86 · November 8th, 2008, 06:48 PM

No it shifts just fine and the clutch is normal. Thats why i am so damn confused. So i am goin to put it on a lift and see whats wrong with it. it shouldnt be anything too bad but who knows.

HMUSN · November 8th, 2008, 07:00 PM

u joint's brah

ocsailor86 · November 9th, 2008, 01:18 PM

U joints? damn. How much to get them replaced. Should i buy the High Performance ones from jegs? Is it just one U joint? Iv enever replaced them before. Let me know. thanks guys

HMUSN · November 9th, 2008, 02:20 PM

they are cheap and rather easy to replace.
Personally I would just get the Aluminum drive shaft while I am under there anyway.

xploder17s · November 9th, 2008, 05:07 PM

if you have an aftermarket o/r h-pipe sometimes they have fitment issues and slap the tranny cross member. check the clearance on that and def u-joints.

HMUSN · November 9th, 2008, 05:07 PM

^ troof.

welcome to the forums.

xploder17s · November 9th, 2008, 05:31 PM

thank you. if its a noise from tranny area, check the bearing retainer and throw out bearing.

97S281 · November 10th, 2008, 05:31 PM

When i bought my 97 six years ago it needed a new tranny mount and u joints. Check them both, but i'd bet $ it's your u joints.

Randy Stinchcomb · November 10th, 2008, 06:01 PM

I'd be checking the engine or tranny mounts, if an engine or tranny mount is bad the "thud" could be from the trans or exhaust hitting the floor or trans tunnel

November 8th, 2008, 01:53 AM	#1
ocsailor86 Regular 1996 Mustang GT 14.60@95 Join Date: Jan 2007 Location: Bremerton, WA Posts: 71 iTrader: 0 reviews	Thud coming from underneath my car. Help I got a 96 mustang gt. Its not lowered or anything but when i go to take off i let out of the clutch and take off, but when i do i hear and feel this thud that seems to be right under my seat. It doesnt happen while im driving just when i take off. Could it be a tranny mount issue? I dunno. please help

November 8th, 2008, 02:37 AM	#2
96gtstang&V6 Enthusiast 1996 Mustang GT Join Date: Feb 2007 Location: Tucson, AZ Posts: 750 iTrader: 2 reviews	well how hard of a thud is it? are you feeling any vibration? __________________ 2002 mustang v6- Auto, K&N CAI, Flowmaster dual exhaust, Black bullits dd 1996 mustang gt- 5spd, black, cobra hood, stock November Birthday Club Founder Old username: 97gt www.discounttiredirect.com

November 8th, 2008, 02:36 PM	#4
96gtstang&V6 Enthusiast 1996 Mustang GT Join Date: Feb 2007 Location: Tucson, AZ Posts: 750 iTrader: 2 reviews	its gotta be a problem somewhere in your drivetrain. get under there and take a look make sure nothings loose. do you notice any other problems example in clutch? shifting? __________________ 2002 mustang v6- Auto, K&N CAI, Flowmaster dual exhaust, Black bullits dd 1996 mustang gt- 5spd, black, cobra hood, stock November Birthday Club Founder Old username: 97gt www.discounttiredirect.com

November 8th, 2008, 07:00 PM	#6
HMUSN Doc 1986 SVO Join Date: Nov 2006 Posts: 36,836 iTrader: 9 reviews	u joint's brah __________________

November 9th, 2008, 02:20 PM	#8
HMUSN Doc 1986 SVO Join Date: Nov 2006 Posts: 36,836 iTrader: 9 reviews	they are cheap and rather easy to replace. Personally I would just get the Aluminum drive shaft while I am under there anyway. __________________

November 8th, 2008, 10:16 AM	#3
ocsailor86 Regular 1996 Mustang GT 14.60@95 Join Date: Jan 2007 Location: Bremerton, WA Posts: 71 iTrader: 0 reviews	No im not feeling a hard vibration at all. Its a quick thud that feels like it right below me. And it doesnt do it all the time.

November 8th, 2008, 06:48 PM	#5
ocsailor86 Regular 1996 Mustang GT 14.60@95 Join Date: Jan 2007 Location: Bremerton, WA Posts: 71 iTrader: 0 reviews	No it shifts just fine and the clutch is normal. Thats why i am so damn confused. So i am goin to put it on a lift and see whats wrong with it. it shouldnt be anything too bad but who knows.

November 9th, 2008, 01:18 PM	#7
ocsailor86 Regular 1996 Mustang GT 14.60@95 Join Date: Jan 2007 Location: Bremerton, WA Posts: 71 iTrader: 0 reviews	U joints? damn. How much to get them replaced. Should i buy the High Performance ones from jegs? Is it just one U joint? Iv enever replaced them before. Let me know. thanks guys

November 9th, 2008, 05:07 PM	#9
xploder17s Newbie Join Date: Apr 2008 Posts: 24 iTrader: 0 reviews	if you have an aftermarket o/r h-pipe sometimes they have fitment issues and slap the tranny cross member. check the clearance on that and def u-joints.

November 9th, 2008, 05:07 PM	#10
HMUSN Doc 1986 SVO Join Date: Nov 2006 Posts: 36,836 iTrader: 9 reviews	^ troof. welcome to the forums. __________________

November 9th, 2008, 05:31 PM	#11
xploder17s Newbie Join Date: Apr 2008 Posts: 24 iTrader: 0 reviews	thank you. if its a noise from tranny area, check the bearing retainer and throw out bearing.

November 10th, 2008, 05:31 PM	#12
97S281 Rollin' 18/ pushin' 2 1997 Saleen S281 Join Date: Feb 2007 Location: Zebulon N.C. Posts: 6,259 iTrader: 13 reviews	When i bought my 97 six years ago it needed a new tranny mount and u joints. Check them both, but i'd bet $ it's your u joints. __________________ MODS IN GARAGE NCMM ORIGINAL BLOWN 96-98 CREW MEMBER # 1

November 10th, 2008, 06:01 PM	#13
Randy Stinchcomb Regular 1996 Mustang GT coupe 11.99@113.93mph Join Date: Nov 2008 Location: Randallstown, Md Posts: 318 iTrader: 0 reviews	I'd be checking the engine or tranny mounts, if an engine or tranny mount is bad the "thud" could be from the trans or exhaust hitting the floor or trans tunnel __________________ *Thumbdinger.com* Fish With Protection

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