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

700r4 leaking

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Old Oct 10, 2007 | 03:11 PM
  #1  
MillerTime21's Avatar
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Joined: Jan 2004
Posts: 564
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From: Lockport,IL
Car: 94 25th TA
Engine: 355LT1
Transmission: T-56
Axle/Gears: 10bolt 3.42
700r4 leaking

I pulled the trans to put a new flex plate in a while back and its been leaking since. I think its coming from where the trans dipstick goes in. I was wondering if there is a o-ring, gasket, or bolt that needs to be tighten to get it to stop leaking.
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Old Oct 10, 2007 | 06:54 PM
  #2  
darkride86T/A's Avatar
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Joined: Jul 2005
Posts: 186
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From: North Carolina(but you'll never take the DC out of me!!!)
Car: '91 Formula,'02 Silverado,'15 200s
Engine: L98, LQ4, and 3.6 Pentastar
Transmission: 4L60/4L80E/9HP48
Axle/Gears: 2.73posi/3.73posi/3.73
Re: 700r4 leaking

There is a rubber grommet that fits around the dipstick tube and goes into the tranny.
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Old Oct 10, 2007 | 07:36 PM
  #3  
MillerTime21's Avatar
Thread Starter
Senior Member
 
Joined: Jan 2004
Posts: 564
Likes: 0
From: Lockport,IL
Car: 94 25th TA
Engine: 355LT1
Transmission: T-56
Axle/Gears: 10bolt 3.42
Re: 700r4 leaking

Thanks
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Old Oct 10, 2007 | 07:40 PM
  #4  
darkride86T/A's Avatar
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Joined: Jul 2005
Posts: 186
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From: North Carolina(but you'll never take the DC out of me!!!)
Car: '91 Formula,'02 Silverado,'15 200s
Engine: L98, LQ4, and 3.6 Pentastar
Transmission: 4L60/4L80E/9HP48
Axle/Gears: 2.73posi/3.73posi/3.73
Re: 700r4 leaking

No problem.
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Old Oct 10, 2007 | 07:42 PM
  #5  
Crudsturbo's Avatar
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Joined: Aug 2007
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Re: 700r4 leaking

Buy the gasket/grommet and loosen bolt to the dipstick on the tranny and just lift it. Put that grommet into the tranny not around the dipstick or it will wedge over the dipstick and leak. YOu may have to tap the dipstick tube down with a hammer and a piece of wood with a rag on the tube. Its not that hard to do.
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Old Sep 19, 2009 | 11:19 AM
  #6  
transam85dudeman's Avatar
Senior Member
 
Joined: Mar 2006
Posts: 926
Likes: 1
From: CALI
Car: 85' Trans Am !best car ever!
Engine: 305tpi 215hp LB9 two bolt,
Transmission: th-700r4
Axle/Gears: stock (3.27)
Re: 700r4 leaking

how would one gain access to the bolt without disconnecting mounts and driveshaft., its impossible i think.
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Old Sep 22, 2009 | 07:51 PM
  #7  
Blaze of Glory's Avatar
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Joined: Aug 2001
Posts: 217
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From: Bay Area, CA
Car: 92 Firebird
Engine: 3.1L V6
Re: 700r4 leaking

I believe I had the same problem a while back. I replaced the pan gasket 3 times before I finally saw where the leak was coming from.

Check out my thread here:
https://www.thirdgen.org/forums/tran...ying-part.html

Originally Posted by Apeiron
Throttle valve cable seal, should be P/N 25518260 at your neighborhood GM dealer parts counter.
You need to drop the pan and disconnect the TV cable. Then just unscrew the bolt and swap out the seal.
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