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Unread 10-05-2009   #1 (permalink)
HSpike0070 is online now Apprentice


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Default 1986 Mustang GT, Drive Shaft Problems...

I got my 86 Mustang GT w/ T5 partially taken apart. The Guy said that He bought this Aluminum Drive Shaft, and never put it in. When my friend and I went to put it in the yoke only goes about 1/4 to 1/3 of the way in and stops, and I dont have enough room in the back of the car to get it up into position to bolt it to the diff. What am I doing wrong, or what could be wrong? The splines in the yoke look fine, and my friend (because I have a problem getting under the car with a broken leg) says that it looks like a oil seal is stoping the drive shaft from going in more. Do you think the guy before me got the wrong size drive shaft? PLEASE HELP ME!!!!!
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Unread 10-06-2009   #2 (permalink)
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Quote:
Originally Posted by HSpike0070 View Post
I got my 86 Mustang GT w/ T5 partially taken apart. The Guy said that He bought this Aluminum Drive Shaft, and never put it in. When my friend and I went to put it in the yoke only goes about 1/4 to 1/3 of the way in and stops, and I dont have enough room in the back of the car to get it up into position to bolt it to the diff. What am I doing wrong, or what could be wrong? The splines in the yoke look fine, and my friend (because I have a problem getting under the car with a broken leg) says that it looks like a oil seal is stoping the drive shaft from going in more. Do you think the guy before me got the wrong size drive shaft? PLEASE HELP ME!!!!!



Count the splines on the slip yoke and make sure it is a 28 spline yoke. Your T5 has a 28 spline output shaft. If so, there is nothing that would prevent the yoke from going up in the transmission.
I have never seen a dust seal prevent the yoke from going in but if you are wondering about it, remove the dust seal and try installing the shaft. if it goes then there is something wrong with the dust seal and you can replace it. My guess is it won't matter.

There is nothing inside the tail housing that would prevent the yoke from going in. About 7" or 8" up the output shaft is a plastic worm gear for the speedometer but the yoke is not that long. That is the only thing on the output shaft, inside the tail housing.

Could be a burr on the splines of the yoke and/or output shaft too. Check that over really well.





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Unread 10-11-2009   #3 (permalink)
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Am I able to take the tailshaft housing off w/o any problem so i can get a better look at it? Im starting to get frustrated. in the yoke its either 27 or 28 splines. I thought I counted 27 but i could have missed one. Do the T5 and T45 transmissions have the same splines?
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