Transmissions and Drivetrain Need help with your trans? Problems with your axle?

t5 and 9 bolt question

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Old Apr 20, 2009 | 07:08 PM
  #1  
Theman0188's Avatar
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From: Monroe, LA
Car: 76 Corvette Stingray
Engine: 350
Transmission: TH350
Axle/Gears: Stock
t5 and 9 bolt question

I have a t5 that came out of an 87 firebird. I have everything taken off of it, even the bellhousing. I can't get into 1st or 2nd gear. I can feel everything else. What does this mean?

I have a 9 bolt rear that I had to replace the housing on.. which means I put it together. I don't know if i have the pinion gears 100% right.. and it's leaking out of the passenger side. What do I do? or what type of place could I bring it to?

Any help on either of these questions is greatly appreciated
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Old Apr 21, 2009 | 06:51 AM
  #2  
85MikeTPI's Avatar
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From: Elkton MD, USA
Car: 1985 Camaro Z28, VIN F
Engine: 427 sbc, HSR
Transmission: T-56, self rebuilt 700+ hp
Axle/Gears: Moser 12bolt, 3.42 trutrac
Re: t5 and 9 bolt question

1st / 2nd gear share an engagement synchro, that also turns the REV idler when engaged. It could be a broken/bent 1/2 shift fork, or the synchro keys for 1/2 are broken and have the slider locked up.

Either way, it sounds like it needs a teardown and rebuild.
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Old Apr 21, 2009 | 10:07 AM
  #3  
Theman0188's Avatar
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From: Monroe, LA
Car: 76 Corvette Stingray
Engine: 350
Transmission: TH350
Axle/Gears: Stock
Re: t5 and 9 bolt question

That's what I was afraid of. I have been looking at rebuild kits..most of them don't cost much. Which one do you guys prefer? I'm keeping my 305, plan on modding it, and not a hard driver, so this trans should work fine for me.
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Old Apr 21, 2009 | 11:08 AM
  #4  
85MikeTPI's Avatar
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From: Elkton MD, USA
Car: 1985 Camaro Z28, VIN F
Engine: 427 sbc, HSR
Transmission: T-56, self rebuilt 700+ hp
Axle/Gears: Moser 12bolt, 3.42 trutrac
Re: t5 and 9 bolt question

My $0.02 http://www.thegearbox.org/T5.html

Most all the parts are Tremec, so you just look for the best price for what you need....
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Old Apr 21, 2009 | 10:48 PM
  #5  
Theman0188's Avatar
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From: Monroe, LA
Car: 76 Corvette Stingray
Engine: 350
Transmission: TH350
Axle/Gears: Stock
Re: t5 and 9 bolt question

Thanks! That helps out a lot..I have never done a transmission rebuild before, but from what I have researched on this trans, it's not that all that hard.. just many small parts to keep up with.

Last edited by Theman0188; Apr 24, 2009 at 07:45 AM.
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Old Apr 24, 2009 | 07:48 AM
  #6  
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From: Monroe, LA
Car: 76 Corvette Stingray
Engine: 350
Transmission: TH350
Axle/Gears: Stock
Re: t5 and 9 bolt question

About the rear.. I need to know if there is any way I can make sure I alligned the spider gears correctly with the rear out of the car.. does locking one side and seeing how much torque it takes to spin the othere side have anything to do with it? is there another technique anyone knows?
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Old Apr 24, 2009 | 09:08 AM
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Re: t5 and 9 bolt question

I don't understand what you are asking. Did you replace the rear end housing or the differential case? If you replaced the differential case then you need to put the axles in both sides before you tighten the bolts that hold the case together. If you replaced the rear end housing then there are many things that need to be set, such as the pinion depth, bearing preload and backlash.
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Old Apr 24, 2009 | 10:20 AM
  #8  
Theman0188's Avatar
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From: Monroe, LA
Car: 76 Corvette Stingray
Engine: 350
Transmission: TH350
Axle/Gears: Stock
Re: t5 and 9 bolt question

It was the rear housing that I replaced..so I had to take everything out of the old one and put it in the new one..(old one was bent). Axles are straight though. So I need to know the best way you can tell me to adjust the pinion depth and everything else and how to tell that I got it right.
Thanks
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Old Apr 24, 2009 | 12:46 PM
  #9  
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Re: t5 and 9 bolt question

Set the backlash to .010 and do a pattern check on the gears. This will tell you if the pinion depth is right.
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