1995 Chevy S-10 1995 GMC Sonoma Transmission reverse proble

Tiny
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  • 1995 CHEVROLET S-10
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 139,671 MILES
Hello. I have a 1995 GMC Sonoma truck. I have another nagging issue with this truck, and it's the transmission. When in reverse, it doesn't really want to go. I have to really give it some gas to go backwards. Forward seems perfecting fine. Any ideas?
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Tuesday, February 2nd, 2010 AT 3:56 PM

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Tiny
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Does it seem to be slipping or does it feel like something is draging?
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Wednesday, February 3rd, 2010 AT 7:56 AM
Tiny
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I have to be honest here, I can't say that I know the difference between slipping and draging in automobile terms, but if I had to choose, I would say that it is draging because I have a better understanding of what slipping is. Best I can describe it is that it feels like I'm working against the brakes. When I put it into reverse, it won't budge until I give it some gas, and even then it comes to a stop, like I had put the brakes on. Then I have to really put some gas into it to get it to go backwards.
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Wednesday, February 3rd, 2010 AT 10:13 AM
Tiny
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I would start by checking the parking brake to make sure it isn't frozen and causing the park brake to stick. You listed the truck as front wheel drive, which doesn't exist on this vehicle. Is it 4wd? If so, are you sure it isn't in 4wd?

Let me know.
Joe
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Wednesday, February 3rd, 2010 AT 10:35 AM
Tiny
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I suppose 2wd then. I know it isn't a 4wd truck for certain.
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Wednesday, February 3rd, 2010 AT 11:30 AM
Tiny
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Okay, that makes sense. It's a 2 wheel drive (rear wheel drive).

What I need you to have checked are the rear brakes. Make sure the parking brake isn't sticking and there is no broken hardware (springs, retainers.) Behind the brake drums. Either / or could cause this to happen.

Let me know what you find.

Joe
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Wednesday, February 3rd, 2010 AT 1:32 PM
Tiny
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Just a little update since getting my truck running smoothly again from the stuck EGR valve:

In regards to this issue, I've noticed that when I first put it into reverse, it will go backwards perfectly fine for a couple seconds then suddenly it wants to come to a stop like I'm putting the brakes on, then I have to really give it some gas to go any further. I haven't noticed anything broken yet but I will recheck to be certain.
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Tuesday, February 16th, 2010 AT 2:02 AM
Tiny
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That is odd. Have you checked to make sure the ATF is full and clean?
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Tuesday, February 16th, 2010 AT 12:58 PM
Tiny
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I'm wanting to fool around with it. The way I figure, considering the shape the old spark plugs were in(I didn't buy this truck new and the plugs while in ok shape looked like they were installed back in 1995) the truck could probably use a new transmission filter, which is a good chance to check on the fluid. I know that a big issue is the stick. It's totally rusted away and it worries me just what the heck is going on inside there for that to happen. It could very well break at any given time checking the ATF.

But yes for all intent and purposes, it is at least full, but probably not clean from chunks of rust.
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Tuesday, February 16th, 2010 AT 5:52 PM
Tiny
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I would try servicing it if it looks that bad. As far as the stick, replace it before it breaks into the trans pan.

Let me know if it helps. Also, have you checked the rear brakes?

Joe
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Wednesday, February 17th, 2010 AT 10:30 AM

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