problem with 98 GT auto

RandoGT · June 29th, 2007, 11:27 PM

this problem just occured today. not sure why but i was getting into my neighborhood and i stopped at a stop and heard a locking sound in the rear (i suppose), then when i go, i don't even bring it past 2000 rpm and for a second it felt like i lost traction and the car bucked a tiny bit and my friends and i could feel it. i thought it might be something in the rear so i got out and checked at my house but didn't see anything wrong. it only happens when i'm turning left (well, mostly) a few times turning right and barely ever when going straight. also, it only happens in the low low RPMs.

so, when coming to a stop, a locking sound and then going there's a slight buck and feels like loss of traction and makes a skipping sound.

HELP PLEASE
thanks

G.T. Rags · June 30th, 2007, 12:46 AM

i had similar problems with my chevy. I fixed it by selling the car to a used car lot.

I hope they crushed her. Apoligies if some smuck bought her, but all the noises in the suspension, and whatever the noise is that RandoGT said shoulda been signs to run

Boomer · June 30th, 2007, 01:28 AM

Did you check your trans fluid ? Fluids do not last forever, common sense goes a long way........If your fluid levels are ok you may need at worst a rebuild on the trans. , but that is no reason to run !!!!!!!

RandoGT · June 30th, 2007, 11:50 PM

well, i just had a tune up not too long ago and changed all the fluids, got a new rear differential and everything. not sure what's wrong with it. i didn't even notice it today except for once. so if you guys know any good advice, i'll take anything. and when i bought it, everything was perfectly fine and it's only in the low rpm levels that it does that stuff so yeah

MustangMatt96GT · June 30th, 2007, 11:52 PM

T-loc clutches slipping? I have no clue!!

acmillr · July 1st, 2007, 12:29 AM

It is your rearend. I solved this exact same problem by draining the rearend, and filling it with 100% Lucas synthetic oil. I have had no problems since.

RandoGT · July 1st, 2007, 08:32 AM

seems like it might be the transmission, when coming to a stop there's a locking sound every now and then, i suppose that it's having trouble coming back into first gear

stanglifemike · July 1st, 2007, 02:44 PM

Sounds like a slipping tranny to me.

ujslost · July 5th, 2007, 10:59 PM

This might be totally wrong, but something to check. Check to make sure the drive shaft bolts are tight and that the rear upper and lower control arm bolts are tight. Casper mentioned once that the control arm bolts are common both front and rear on these cars for needing to be tightened .

G.T. Rags · July 5th, 2007, 11:12 PM

this is also a shot in the dark, but what about the tranni mounts.

ujslost · July 5th, 2007, 11:16 PM

yeah, didnt think about that , but good possiblility

djb98gt · July 7th, 2007, 08:27 PM

If I read correctly you said it has traction issues when you turn left. When this happens does it feel like the suspension is starting to bind and then the tire chirps and it releases this tension force? If so, it is your traction loc causing this issue. You might have the wrong fluid in it.

Good Luck!

ujslost · July 7th, 2007, 10:01 PM

did you put friction modifier in the rear end. it has to have that for the t loc to work right.

June 29th, 2007, 11:27 PM	#1
RandoGT Enthusiast 1998 Mustang GT Need to hit the track Join Date: May 2007 Location: Katy, TX Posts: 856 iTrader: 0 reviews	problem with 98 GT auto this problem just occured today. not sure why but i was getting into my neighborhood and i stopped at a stop and heard a locking sound in the rear (i suppose), then when i go, i don't even bring it past 2000 rpm and for a second it felt like i lost traction and the car bucked a tiny bit and my friends and i could feel it. i thought it might be something in the rear so i got out and checked at my house but didn't see anything wrong. it only happens when i'm turning left (well, mostly) a few times turning right and barely ever when going straight. also, it only happens in the low low RPMs. so, when coming to a stop, a locking sound and then going there's a slight buck and feels like loss of traction and makes a skipping sound. HELP PLEASE thanks

June 30th, 2007, 01:28 AM	#3
Boomer Enthusiast Join Date: Oct 2006 Location: warren, Mi Posts: 941 iTrader: 0 reviews	Did you check your trans fluid ? Fluids do not last forever, common sense goes a long way........If your fluid levels are ok you may need at worst a rebuild on the trans. , but that is no reason to run !!!!!!! __________________ Just another 10 second Mustang, what did you expect ? http://youtube.com/watch?v=BgykaUrmfvM

June 30th, 2007, 11:52 PM	#5
MustangMatt96GT Proud American 1996 Mustang GT Join Date: Dec 2006 Location: Lakewood, CO Posts: 10,689 iTrader: 3 reviews	T-loc clutches slipping? I have no clue!! __________________ RIP Travis Billings Special Thanks to: Andrews Racing Transmissions Baseline Suspensions 25.3 SFI Chassis Build Never Lift Racecars

July 1st, 2007, 12:29 AM	#6
acmillr MM's Mad Scientist Slow Fella Join Date: Jul 2006 Location: Tupelo, MS Posts: 5,111 iTrader: 2 reviews	It is your rearend. I solved this exact same problem by draining the rearend, and filling it with 100% Lucas synthetic oil. I have had no problems since. __________________

July 1st, 2007, 02:44 PM	#8
stanglifemike IBEATU 06 GT, 98 GT, & 93 Notch Join Date: Dec 2006 Location: Douglasville, GA Posts: 5,937 iTrader: 0 reviews	Sounds like a slipping tranny to me. __________________ 98 GT: some stuff 06 GT: more stuff 93 Notch: 4 cyl at birth, now 5.0 drivetrain and stock exterior and interior= True Sleeper Paxton/Vortech Crew Member #3 FRPP's #1 Dealer Injected Engineering BMR Suspension

June 30th, 2007, 11:50 PM	#4
RandoGT Enthusiast 1998 Mustang GT Need to hit the track Join Date: May 2007 Location: Katy, TX Posts: 856 iTrader: 0 reviews	well, i just had a tune up not too long ago and changed all the fluids, got a new rear differential and everything. not sure what's wrong with it. i didn't even notice it today except for once. so if you guys know any good advice, i'll take anything. and when i bought it, everything was perfectly fine and it's only in the low rpm levels that it does that stuff so yeah

July 1st, 2007, 08:32 AM	#7
RandoGT Enthusiast 1998 Mustang GT Need to hit the track Join Date: May 2007 Location: Katy, TX Posts: 856 iTrader: 0 reviews	seems like it might be the transmission, when coming to a stop there's a locking sound every now and then, i suppose that it's having trouble coming back into first gear

July 5th, 2007, 10:59 PM	#9
ujslost MM Fanatic Join Date: Mar 2007 Location: Albertville, AL Posts: 3,920 Blog Entries: 1 iTrader: 1 reviews	This might be totally wrong, but something to check. Check to make sure the drive shaft bolts are tight and that the rear upper and lower control arm bolts are tight. Casper mentioned once that the control arm bolts are common both front and rear on these cars for needing to be tightened . __________________ 1986 Mustang GT t-top time piece!

July 5th, 2007, 11:16 PM	#11
ujslost MM Fanatic Join Date: Mar 2007 Location: Albertville, AL Posts: 3,920 Blog Entries: 1 iTrader: 1 reviews	yeah, didnt think about that , but good possiblility __________________ 1986 Mustang GT t-top time piece!

July 7th, 2007, 08:27 PM	#12
djb98gt Newbie Join Date: Jul 2007 Posts: 3 iTrader: 0 reviews	If I read correctly you said it has traction issues when you turn left. When this happens does it feel like the suspension is starting to bind and then the tire chirps and it releases this tension force? If so, it is your traction loc causing this issue. You might have the wrong fluid in it. Good Luck! __________________ 314RWHP 343RWTQ NON PI HEADS 8 PSI P-1SC W 3CORE I/C 03 IRS, TREMEC 3550, JBA SHORTIE'S MM SUSPENSION, BORLA STINGERS BASSANI CATTED X

July 7th, 2007, 10:01 PM	#13
ujslost MM Fanatic Join Date: Mar 2007 Location: Albertville, AL Posts: 3,920 Blog Entries: 1 iTrader: 1 reviews	did you put friction modifier in the rear end. it has to have that for the t loc to work right. __________________ 1986 Mustang GT t-top time piece!

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