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

1994 Automatic transmission problem

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Old Jul 17, 2011 | 09:41 PM
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apacect's Avatar
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1994 Automatic transmission problem

Have a 94 with the 3.4 v6, auto trans. i just got for my kid. The high school rebuilt the motor & put it back in. For some reason, the speedometer doesnt work. Its plugged in on the tranny & we bought a new speedo sensor for $30 & that didnt solve it. Worse yet, the tranny is a 4sp automatic. In the "D" mode, the car goes up to any RPM & if I back of the gas & give gas, it sometimes shifts to 2nd. Thought it was a vacuum problem but the trans shop is clueless too as no vacuum is on it. They said its a "speedo" driven tranny?? The odometer & speedometer doesnt work at all, could it be as simple as getting a new gauge cluster with a speedo & then the tranny will shift? The only way I can get it from shop to shop is pressing a "start in 2nd" button on the console & that will get 2 gears going but topping at almost 50mph and not getting into final overdrive.. Any idea appreciated.
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Old Jul 18, 2011 | 03:30 AM
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Pro Built Automatics's Avatar
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Re: 1994 Automatic transmission problem

The transmission is in "fail safe" mode. You will have 2nd & 3rd only when this happens. The speedometer "must" be fixed to solve this.
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Old Jul 18, 2011 | 06:31 AM
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Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: 1994 Automatic transmission problem

Originally Posted by apacect
Have a 94 with the 3.4 v6, auto trans.
Welcome to TGO, apacect. Our site is dedicated to 82-92 Camaros and Firebirds. You might be well advised to try a site like the following:

http://camaroz28.com/forums/

Best wishes on you project.

JamesC
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Old Jul 18, 2011 | 10:14 AM
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Re: 1994 Automatic transmission problem

Thanks, didnt realize I was getting that old since I had a 2nd gen lol


Originally Posted by JamesC
Welcome to TGO, apacect. Our site is dedicated to 82-92 Camaros and Firebirds. You might be well advised to try a site like the following:

http://camaroz28.com/forums/

Best wishes on you project.

JamesC
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Old Jul 18, 2011 | 10:15 AM
  #5  
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Re: 1994 Automatic transmission problem

OK great, thanks for your help!
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