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

Hard shifts

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Old Oct 7, 2007 | 08:38 PM
  #1  
Frozer!!!'s Avatar
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From: Chicago(DP)
Car: '90 RS
Engine: Vortec 350
Transmission: 700R4
Axle/Gears: 3.23 non posi
Hard shifts

I dont know much about trans's so any info will help out. I got a 700r4 on my '85 and it seems like everyday my trans shifts harder and harder. The engine and trans does have about 150 k on it so im sure thats part of the problem but is there anything i could do without taking it to a trans shop. Would this be a problem with the TV cable adjustment or is the trans just gettin old. Also I have no records of the trans fluid being changed, would fresh fluid make a nice difference?

Thanks
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Old Oct 8, 2007 | 01:08 AM
  #2  
bl85c's Avatar
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From: right behind you
Car: '85 maro
Engine: In the works...
Transmission: TH700 R4
Axle/Gears: 3.73 posi
Re: Hard shifts

Both of those are good starting points, often times a maladjusted TV cable does end up being the culprit. It controls line pressure throughout the trans. If you're interested I did a thread a while ago called "Improving early th700's" about upgrading early th700's to iroc/corvette specs that would help you out alot.

Last edited by bl85c; Oct 8, 2007 at 01:13 AM.
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Old Oct 8, 2007 | 01:14 AM
  #3  
Mikz86TA's Avatar
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From: Tallahassee, Florida
Car: '86 Trans Am and '03 S-10
Engine: 355ci and 4.3l
Transmission: 700R4 and NV3500
Axle/Gears: 7.625/3.42 Auburn and 8.5/3.08 Gov-
Re: Hard shifts

X2. Good time to get it serviced and correctly reset the TV cable
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Old Oct 8, 2007 | 07:24 AM
  #4  
Frozer!!!'s Avatar
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Joined: Aug 2005
Posts: 1,170
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From: Chicago(DP)
Car: '90 RS
Engine: Vortec 350
Transmission: 700R4
Axle/Gears: 3.23 non posi
Re: Hard shifts

Alright thanks guys, ill look into that then
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