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

car pulls forward on a stop light

Thread Tools
 
Search this Thread
 
Old Jan 7, 2016 | 07:25 PM
  #1  
carattini's Avatar
Thread Starter
Member
15 Year Member
 
Joined: Jan 2009
Posts: 292
Likes: 0
From: North Carolina
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?
Reply
Old Jan 8, 2016 | 07:02 AM
  #2  
Base91's Avatar
Supreme Member
iTrader: (1)
 
Joined: Sep 2010
Posts: 1,928
Likes: 1
From: Georgetown TX
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?
Reply
Old Jan 8, 2016 | 07:06 AM
  #3  
RedLeader289's Avatar
Supreme Member
10 Year Member
Liked
Loved
Community Favorite
iTrader: (3)
 
Joined: Oct 2013
Posts: 2,612
Likes: 157
From: Louisville, KY
Car: 1983 Z28
Engine: 385 Fastburn
Transmission: T-5
Axle/Gears: BorgWarner 9-bolt posi, 3.27 gears
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.
Reply
Old Jan 9, 2016 | 09:50 AM
  #4  
RBob's Avatar
Moderator
iTrader: (1)
 
Joined: Mar 2002
Posts: 18,432
Likes: 233
From: Chasing Electrons
Car: check
Engine: check
Transmission: check
Re: car pulls forward on a stop light

Idle speed?

RBob.
Reply
Old Jan 9, 2016 | 10:07 AM
  #5  
TTOP350's Avatar
Supreme Member
20 Year Member
Liked
Loved
Community Favorite
iTrader: (9)
 
Joined: Oct 2001
Posts: 12,223
Likes: 1,148
From: Il
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.
Reply
Old Jan 11, 2016 | 07:18 AM
  #6  
carattini's Avatar
Thread Starter
Member
15 Year Member
 
Joined: Jan 2009
Posts: 292
Likes: 0
From: North Carolina
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?
Reply
Old Jan 12, 2016 | 02:52 AM
  #7  
Night rider327's Avatar
Supreme Member
iTrader: (13)
 
Joined: Dec 2002
Posts: 2,535
Likes: 17
From: Bowdon, GA.
Car: 1988 Camaro
Engine: 355, 10.34:1, 249/252 @.050", IK200
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)?
Reply
Old Jan 12, 2016 | 12:51 PM
  #8  
carattini's Avatar
Thread Starter
Member
15 Year Member
 
Joined: Jan 2009
Posts: 292
Likes: 0
From: North Carolina
Car: Pontiac 89 GTA
Engine: 350 TPI 5.7L V8
Re: car pulls forward on a stop light

Between 600 - 700RPM

When it had a Vacuum leak was between 700 - 900RPM
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Subjec
Members Camaros
19
Jan 14, 2016 09:16 PM
Bald_eagle_machine
Interior Parts for Sale
2
Jan 9, 2016 10:46 PM
Onbusy
Mid-Atlantic Region
4
Jan 7, 2016 10:06 AM
Willdak89
TPI
2
Jan 6, 2016 05:11 PM
racereese
Auto Detailing and Appearance
2
Jan 5, 2016 05:53 PM




All times are GMT -5. The time now is 01:40 AM.