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

Stripped transmission mount bolts

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Old Jul 19, 2014 | 01:02 PM
  #1  
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Car: 1992 Chevy Camaro RS
Engine: 305 TBI 5.0L
Stripped transmission mount bolts

I was attempting to removed a broken transmission mount from my 92 RS. To my chagrin, i discovered that the two transmission bolts holding the mount in are stripped. Any suggestions on how to removed them? Thanks guys!
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Old Jul 19, 2014 | 01:30 PM
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Re: Stripped transmission mount bolts

Expand on "stripped".
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Old Jul 19, 2014 | 06:08 PM
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Re: Stripped transmission mount bolts

By stripped I mean that the bolt head is rounded off. A socket or wrench won't grab it. I was hoping to not cut it off...

Last edited by mjd334; Jul 19, 2014 at 10:14 PM.
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Old Jul 20, 2014 | 01:54 PM
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Re: Stripped transmission mount bolts

Oh, that...

I'd suggest one of those socket-like things that has all the little pin/wire things in it, such that it conforms to any random shape whatsoever; and then new bolts.
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Old Jul 20, 2014 | 02:15 PM
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From: El Sobrante, California
Car: 1984 z28
Engine: Crate replacement L31R 350
Transmission: T56
Axle/Gears: 7.625" 28 spline 3.23
Re: Stripped transmission mount bolts

And a good soaking with some PB Blaster.
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Old Jul 20, 2014 | 06:01 PM
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Car: '87 IROC
Engine: LB9
Transmission: TH700R4
Re: Stripped transmission mount bolts

Originally Posted by sofakingdom
Oh, that...

I'd suggest one of those socket-like things that has all the little pin/wire things in it, such that it conforms to any random shape whatsoever; and then new bolts.


This with the PB Blaster or similar penetrating oil:

http://www.homedepot.com/p/Gator-Gri...120A/100351756

Or a Craftsman Bolt Out:

http://www.craftsman.com/search=Craf...0Remover%20Set
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Old Jul 21, 2014 | 12:04 PM
  #7  
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Car: 1992 Chevy Camaro RS
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Re: Stripped transmission mount bolts

anyone ever try out a bolt extractor kit like these?


http://www.harborfreight.com/38-in-d...-pc-67894.html

http://www.griptitetools.com/Product...-Metric-43.htm
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Old Jul 21, 2014 | 07:05 PM
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Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: Stripped transmission mount bolts

I'll second the Craftsman Bolt-Out.
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Old Jul 21, 2014 | 07:25 PM
  #9  
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From: Tracy, CA
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Transmission: TH700R4
Re: Stripped transmission mount bolts

My only experience is with the Craftsman Bolt Out to remove a socket head cap screw (SHCS) that fastened an SLP runner to the lower intake manifold.

The SLP supplied ball end driver (IIRC, it was a Cal-Van tool) couldn't withstand the installation torque and the ball wedged and snapped off in the bolt socket. I just left it that way as the bolt was already tight.

Fast forward +10 years later when I needed to remove that bolt.
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Old Jul 21, 2014 | 10:00 PM
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Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: Stripped transmission mount bolts

My experience with the bolt-out was a knock sensor. Thankfully in a head and easy to reach, rather than just above the pan rail.
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