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

700r4 servo replacement

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Old Aug 2, 2009 | 06:53 PM
  #1  
regal301's Avatar
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From: RHODE ISLAND
Car: 1988 iroc-z
Engine: 350 Vortec TPI
Transmission: 700r4
Axle/Gears: 3.73 4th gen Torsen 10bolt
700r4 servo replacement

does anyone know if there is room to swap out the servo on these cars without dropping the crossmember.
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Old Aug 2, 2009 | 11:49 PM
  #2  
skiroulertx447's Avatar
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Joined: May 2008
Posts: 377
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From: MN
Car: 86 Z28
Engine: 350 TPI
Transmission: T56
Axle/Gears: 3.42 posi
Re: 700r4 servo replacement

yeah i just did that when i installed my shift kit from pro built. You just have to remove them from the shaft one by one to get them out.
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Old Aug 3, 2009 | 05:58 PM
  #3  
regal301's Avatar
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Joined: Sep 2007
Posts: 449
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From: RHODE ISLAND
Car: 1988 iroc-z
Engine: 350 Vortec TPI
Transmission: 700r4
Axle/Gears: 3.73 4th gen Torsen 10bolt
Re: 700r4 servo replacement

thanks
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Old Aug 3, 2009 | 06:30 PM
  #4  
//<86TA>\\'s Avatar
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Posts: 12,804
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From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: 700r4 servo replacement

if you can unbolt the crossmember and lower the tail end of the trans a little, watch you dont break the dizzy cap, it will give you a little more room to work.

Or, IIRC when i swapped mine a few years ago, i left the crossmember alone, removed the trans mount and let the trans drop that extra couple inches, pushed it over to the driverside of the tunnel and had enough room to work.
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Old Aug 3, 2009 | 06:39 PM
  #5  
regal301's Avatar
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Joined: Sep 2007
Posts: 449
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From: RHODE ISLAND
Car: 1988 iroc-z
Engine: 350 Vortec TPI
Transmission: 700r4
Axle/Gears: 3.73 4th gen Torsen 10bolt
Re: 700r4 servo replacement

i have to be carefull about lowering the trans, i put the motor trans and rear all in my self,and i took it to the exhaust shop .the exhaust is ONE piece from the headers back ,all welded! i had the down pipes welded to the headers........ i cant stand exhaust leaks.so if i can sneak it out without touching the crossmember thats great.if not, i have to lower the whole exhaust.
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Old Aug 3, 2009 | 08:15 PM
  #6  
IrocZ'85's Avatar
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Posts: 338
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From: Lafayette, IN
Car: '85 IrocZ
Engine: LS1
Transmission: 4L60E
Axle/Gears: 3.73
Re: 700r4 servo replacement

I have this EXACT same question haha! I tried removing the single stud/nut from the trans mount and tried to push the trans over....its not budging so I'm going to try and wedge it.

Otherwise I'll try the removing bracket and lowering the trans technique. Will that work even with the torque converter all bolted up the motor?
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