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

car pulls forward on a stop light

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Old 01-07-2016, 07:25 PM
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Car: Pontiac 89 GTA
Engine: 350 TPI 5.7L V8
car pulls forward on a stop light

I have a 1989 GTA with a 700R4 and whn I stop I have to put the tranny in Neutral because it feels like it pushing the car anyone knows what I need to adjust?
Old 01-08-2016, 07:02 AM
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Car: Base 91 'bird
Engine: 3.1 v6
Transmission: 4L60
Axle/Gears: 9-bolt 3.27 & PBR
Re: car pulls forward on a stop light

Brakes?
Old 01-08-2016, 07:06 AM
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Re: car pulls forward on a stop light

Sounds like your brakes aren't holding well. Or maybe your torque converter isn't working properly.
Old 01-09-2016, 09:50 AM
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Re: car pulls forward on a stop light

Idle speed?

RBob.
Old 01-09-2016, 10:07 AM
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Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: car pulls forward on a stop light

any of the above but I've always felt the converters were to tight in these cars.
Old 01-11-2016, 07:18 AM
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Car: Pontiac 89 GTA
Engine: 350 TPI 5.7L V8
Re: car pulls forward on a stop light

Thanks Everyone
1. I Just did all the brakes and they hold the car just that I feel that is pushing to hard
2. How can I know if my torque converter is bad?
3. Idle Speed at first I taught of that but I fix the Vacuum hose that was causing the hi Idle an it continues.

So I'm Leaning for the converter now my question is; is this typical of hi performance cars? or is this just a bad Converter?
Old 01-12-2016, 02:52 AM
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Transmission: TH-400, 3500 stall 9.5" converter
Axle/Gears: Ford 9", detroit locker, 3.89 gears
Re: car pulls forward on a stop light

What is your idle RPM in gear (drive or overdrive)?
Old 01-12-2016, 12:51 PM
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Re: car pulls forward on a stop light

Between 600 - 700RPM

When it had a Vacuum leak was between 700 - 900RPM
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