Screeching noise from rear at high rpm shift.

97_Sleeper_Gt · August 29th, 2010, 01:34 AM

alrighty!...............so another toughie,

when im shifting at high rpm, est. like around 5,000 rpms i hear this loud screeching noise from the rear....same time it shifts, i dono if its the tranny or rear end?

anyone ever heard of this happening??

Gt Automatic.

sharkbait · August 29th, 2010, 01:04 PM

If its RPM related its the tranny

The rear would be more speed related.

97_Sleeper_Gt · August 29th, 2010, 04:40 PM

very true,....yeah like if i shift at 4k it wont do it, its when i shift at like 4500 5k or higher. i guess you could kinda say its like nails against a chalk board...

MeanGreen · August 31st, 2010, 07:38 PM

id say your clutch is probally slipping a lil.. how many miles is on the clutch.

KV007 · August 31st, 2010, 08:06 PM

gt automatic.....

LaserRed97GT · August 31st, 2010, 08:28 PM

Tires spinning?

MeanGreen · September 1st, 2010, 02:00 AM

My old work truck was a hemi durango and it did that. they took it in and supposedly it was a band. i had it another 2 months and it started doing a squelch every time it was full throttle shift. they don't give to much descriptive to us so thats about all i could think of not having to much info on autos. they retired that unit. i now have a 10 Expedition.

97_Sleeper_Gt · September 2nd, 2010, 12:50 AM

haha na the tires dont spin, well sometimes they do but theres a big difference between the two haha, i think its the tranny, it seems to be giving me some issues

97S281 · September 2nd, 2010, 07:12 PM

I used to have a 98 gt auto that did that. I never had any tranny problems with it though. It would only do it if you were getting on it hard. It was like a 2-3 second screech then it would hit the next gear and you were gone.

MeanGreen · September 3rd, 2010, 03:43 AM

Originally Posted by 97_Sleeper_Gt

alrighty!...............so another toughie,

when im shifting at high rpm, est. like around 5,000 rpms i hear this loud screeching noise from the rear....same time it shifts, i dono if its the tranny or rear end?

anyone ever heard of this happening??

Gt Automatic.

Maybe just change the fluid and filter see if that helps

97_Sleeper_Gt · September 4th, 2010, 04:28 PM

I used to have a 98 gt auto that did that. I never had any tranny problems with it though. It would only do it if you were getting on it hard. It was like a 2-3 second screech then it would hit the next gear and you were gone.

yeah man thats exactly it, mines usually like a sec. or 2, not very long,

did you ever figure out the problem??

sj408 · September 7th, 2010, 02:05 PM

bump i just noticed my 96 gt automatic does the same thing anyone know what the problem is>? any help or input is greatly appreciated

MeanGreen · September 18th, 2010, 01:31 PM

its normal in a auto, says ford lol. its doing it in my Expedition its the auto clutches slip a little when they shift at high rpm if you had a shift kit it would shift faster and wouldnt do it.

sj408 · October 28th, 2010, 08:54 PM

i know its an old thread but anyone ever figure this out???? my 96 is still doing it

August 29th, 2010, 01:34 AM	#1
97_Sleeper_Gt Regular 1997 mustang gt N/A Join Date: Jul 2010 Location: California Posts: 108 iTrader: 0 reviews	Screeching noise from rear at high rpm shift. alrighty!...............so another toughie, when im shifting at high rpm, est. like around 5,000 rpms i hear this loud screeching noise from the rear....same time it shifts, i dono if its the tranny or rear end? anyone ever heard of this happening?? Gt Automatic. __________________ *4.6exy*

August 29th, 2010, 01:04 PM	#2
sharkbait Hooo Ha Ha 1997 Mustang GT 11.65 @ 115 Join Date: Apr 2009 Location: Pasadena MD Posts: 9,743 iTrader: 10 reviews	If its RPM related its the tranny The rear would be more speed related. __________________ 410rwhp 520rwtq @ 12.9 psi

August 29th, 2010, 04:40 PM	#3
97_Sleeper_Gt Regular 1997 mustang gt N/A Join Date: Jul 2010 Location: California Posts: 108 iTrader: 0 reviews	very true,....yeah like if i shift at 4k it wont do it, its when i shift at like 4500 5k or higher. i guess you could kinda say its like nails against a chalk board... __________________ *4.6exy*

August 31st, 2010, 07:38 PM	#4
MeanGreen Newbie 1996 Mustang GT 14.77@99.76 Join Date: Oct 2009 Location: Granite Bay California Posts: 25 iTrader: 0 reviews	id say your clutch is probally slipping a lil.. how many miles is on the clutch. __________________ 96 Bullitt Interceptor In Progress :

August 31st, 2010, 08:06 PM	#5
KV007 Hardcore Enthusiast 2003 Mustang Gt Slow Join Date: Jul 2009 Location: redding,california Posts: 2,532 Blog Entries: 2 iTrader: 2 reviews	gt automatic..... __________________ 409rwhp at 4500 rpms.Vortech V1 Intercooled,kurgan motorsports powerpipe, 3.12 pulley, all Mac Exhaust,Sct Tuner,Bolt Ons,Cobra Brakes,MM cc plates,Vis 2000 cobra r hood,MGW shifter,Strange 31 Spline axles,Eaton Possi

August 31st, 2010, 08:28 PM	#6
LaserRed97GT Regular 1997 Mustang GT 14.92 before current round of mods.... Join Date: Apr 2009 Location: Chicago Burbs Posts: 59 iTrader: 0 reviews	Tires spinning?

September 1st, 2010, 02:00 AM	#7
MeanGreen Newbie 1996 Mustang GT 14.77@99.76 Join Date: Oct 2009 Location: Granite Bay California Posts: 25 iTrader: 0 reviews	My old work truck was a hemi durango and it did that. they took it in and supposedly it was a band. i had it another 2 months and it started doing a squelch every time it was full throttle shift. they don't give to much descriptive to us so thats about all i could think of not having to much info on autos. they retired that unit. i now have a 10 Expedition. __________________ 96 Bullitt Interceptor In Progress :

September 2nd, 2010, 12:50 AM	#8
97_Sleeper_Gt Regular 1997 mustang gt N/A Join Date: Jul 2010 Location: California Posts: 108 iTrader: 0 reviews	haha na the tires dont spin, well sometimes they do but theres a big difference between the two haha, i think its the tranny, it seems to be giving me some issues __________________ *4.6exy*

September 2nd, 2010, 07:12 PM	#9
97S281 Rollin' 18/ pushin' 2 1997 Saleen S281 Join Date: Feb 2007 Location: The lost highway Posts: 6,673 iTrader: 13 reviews	I used to have a 98 gt auto that did that. I never had any tranny problems with it though. It would only do it if you were getting on it hard. It was like a 2-3 second screech then it would hit the next gear and you were gone. __________________ MODS IN GARAGE NCMM ORIGINAL BLOWN 96-98 CREW MEMBER # 1

September 7th, 2010, 02:05 PM	#12
sj408 Hardcore Enthusiast Join Date: Jul 2010 Posts: 2,055 iTrader: 0 reviews	bump i just noticed my 96 gt automatic does the same thing anyone know what the problem is>? any help or input is greatly appreciated

September 18th, 2010, 01:31 PM	#13
MeanGreen Newbie 1996 Mustang GT 14.77@99.76 Join Date: Oct 2009 Location: Granite Bay California Posts: 25 iTrader: 0 reviews	its normal in a auto, says ford lol. its doing it in my Expedition its the auto clutches slip a little when they shift at high rpm if you had a shift kit it would shift faster and wouldnt do it. __________________ 96 Bullitt Interceptor In Progress :

October 28th, 2010, 08:54 PM	#14
sj408 Hardcore Enthusiast Join Date: Jul 2010 Posts: 2,055 iTrader: 0 reviews	i know its an old thread but anyone ever figure this out???? my 96 is still doing it

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