Transmission Question

The Saint · October 10th, 2008, 12:16 PM

I have a 1990 LX series Mustang. The problem is this, fluids is leaking from the aft end of the componet. I have replaced the Tailshaft Bushing, Tailshaft Seal and the driveshaft forward yoke; however, fluid is still present on the ground. Driveshaft is balance. Any solutions before I purchase a Heavy Duty T-5?

1slo5.0 · October 10th, 2008, 12:18 PM

Is the driveshaft yoke wore?

The Novice · October 10th, 2008, 12:40 PM

How much fluid is on the ground? just a little or a lot?

And i wouldnt go so far as to buy a whole new tranny, can you just rebuild it?

95StangMX · October 10th, 2008, 01:17 PM

the "aft" end of the component huh? You must be a boat guy. +1 with the driveshaft yoke. I wouldnt go out and just purchase a new tranny before you find out whats wrong with your car now. and if you are dead set on a new one you should talk to e3sean he just switched his out for a c4 and might want to sell it

The Saint · October 10th, 2008, 05:07 PM

Yes the Forward driveshaft yoke was replace (the old yoke was worn), static leak measuring maybe less than a shot glass. I replaced the tailshaft brushing once and the tailshaft seal twice. Did not see a crack anywhere, I will be placing the car on stands to inspect again. I would say that it is more of a xmsn case problem. I worked helicopter in the Army (MH 530's, OH 58A/C, CH 54 Skycranes, etc.), currently modifying KC135 air refueler. Thank's for your inputs, I am very greatful!

ryans88gt · October 10th, 2008, 05:13 PM

may be leaking from somewhere else on the transmission (like shifter) and just working its way down to the back of the trans.

Otherwise, it is a crack.

The Saint · October 10th, 2008, 05:18 PM

I'll look into that ryans88gt.

89lx · October 10th, 2008, 06:07 PM

check around the speedo gear

The Saint · October 10th, 2008, 09:42 PM

After checking, I've found fluid seeping from the tailshaft seal at the 5:30 position. I wiped, waited and a drip within one minute. Thanks!

October 10th, 2008, 12:16 PM	#1
The Saint Newbie 1990, Ford, Mustang LX Would you like to meet my Little Baby Cobra? Join Date: Apr 2008 Location: San Antonio, Texas Posts: 5 iTrader: 0 reviews	Transmission Question I have a 1990 LX series Mustang. The problem is this, fluids is leaking from the aft end of the componet. I have replaced the Tailshaft Bushing, Tailshaft Seal and the driveshaft forward yoke; however, fluid is still present on the ground. Driveshaft is balance. Any solutions before I purchase a Heavy Duty T-5? __________________ Michael L. Mosely. The Saint "I AM" the Saint that satan forgot to warn you about! Would you like to meet my Little Baby Cobra!

October 10th, 2008, 12:18 PM	#2
1slo5.0 MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: North Fond du Lac, Wisconsin Posts: 11,375 iTrader: 1 reviews	Is the driveshaft yoke wore? __________________ My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost

October 10th, 2008, 01:17 PM	#4
95StangMX MM Fanatic 95 Mustang GT depends how many people are pushing Join Date: Oct 2007 Location: Playa del Carmen, Mexico Posts: 3,243 iTrader: 0 reviews	the "aft" end of the component huh? You must be a boat guy. +1 with the driveshaft yoke. I wouldnt go out and just purchase a new tranny before you find out whats wrong with your car now. and if you are dead set on a new one you should talk to e3sean he just switched his out for a c4 and might want to sell it __________________ People should think about boarding up their glass house before starting a rock fight!

October 10th, 2008, 05:07 PM	#5
The Saint Newbie 1990, Ford, Mustang LX Would you like to meet my Little Baby Cobra? Join Date: Apr 2008 Location: San Antonio, Texas Posts: 5 iTrader: 0 reviews	Yes the Forward driveshaft yoke was replace (the old yoke was worn), static leak measuring maybe less than a shot glass. I replaced the tailshaft brushing once and the tailshaft seal twice. Did not see a crack anywhere, I will be placing the car on stands to inspect again. I would say that it is more of a xmsn case problem. I worked helicopter in the Army (MH 530's, OH 58A/C, CH 54 Skycranes, etc.), currently modifying KC135 air refueler. Thank's for your inputs, I am very greatful! __________________ Michael L. Mosely. The Saint "I AM" the Saint that satan forgot to warn you about! Would you like to meet my Little Baby Cobra!

October 10th, 2008, 05:13 PM	#6
ryans88gt MM Fanatic Join Date: May 2007 Location: Bloomington, IL Posts: 4,737 iTrader: 0 reviews	may be leaking from somewhere else on the transmission (like shifter) and just working its way down to the back of the trans. Otherwise, it is a crack. __________________ 88 GT CHI headed 351w 10.8 @ 125 - still figuring it out. 03 Cobra 2.3 whipple 10.7 @ 129 - sold it 04 Mach 1 12.7 @ 109 mostly stock - sold it 89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it

October 10th, 2008, 12:40 PM	#3
The Novice Hardcore Enthusiast 87 Mustang GT T-top Join Date: Jul 2007 Location: Grand Rapids, MI Posts: 1,149 iTrader: 0 reviews	How much fluid is on the ground? just a little or a lot? And i wouldnt go so far as to buy a whole new tranny, can you just rebuild it?

October 10th, 2008, 05:18 PM	#7
The Saint Newbie 1990, Ford, Mustang LX Would you like to meet my Little Baby Cobra? Join Date: Apr 2008 Location: San Antonio, Texas Posts: 5 iTrader: 0 reviews	I'll look into that ryans88gt. __________________ Michael L. Mosely. The Saint "I AM" the Saint that satan forgot to warn you about! Would you like to meet my Little Baby Cobra!

October 10th, 2008, 06:07 PM	#8
89lx Regular 1989 LX coupe 5.0L Join Date: Dec 2007 Location: NS Canada Posts: 496 iTrader: 0 reviews	check around the speedo gear

October 10th, 2008, 09:42 PM	#9
The Saint Newbie 1990, Ford, Mustang LX Would you like to meet my Little Baby Cobra? Join Date: Apr 2008 Location: San Antonio, Texas Posts: 5 iTrader: 0 reviews	After checking, I've found fluid seeping from the tailshaft seal at the 5:30 position. I wiped, waited and a drip within one minute. Thanks! __________________ Michael L. Mosely. The Saint "I AM" the Saint that satan forgot to warn you about! Would you like to meet my Little Baby Cobra!

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