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NO REVERSE!!!!! please help

gave out while 4 wheeling

NO REVERSE!!!!! please help

Postby prplhaze181 [OP] » May 08 2011, 8:54am

I just recently bough a 97 gmc sierra 1500 5.7L v8 with 140k on it ive only had it for about a week. last night i was at my buddies house and we were messing around in his pasture gettin muddy. so as im going through a mud patch i start to get stuck so i let off the gas wait for the truck to stop to put it in reverse when i shift into reverse i hear a grinding noise and when i go to give it gas my tires dont spin. (im in 4h while this is going on) so i put it in neutral for a second and then back in reverse but it still wont engage it just revs up like its in neutral. my buddy gets me unstuck and i take it out of 4h thinking that might be part of the issue but when in 2h it still wont go into reverse i checked the linkage for any obvious problems and there was none that stood out so i call it a day and headed home and i notice that it revs higher than normal before it shifts into 2nd but after that it runs fine so im wondering did my transmission just s*** the bed or if its an easy fix
any help would be apreciated thanks
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Re: NO REVERSE!!!!! please help

Postby koolz71 » May 08 2011, 5:37pm

I dont know how to answer your question but heres a free bump to put you to the top..So that one of our ASE techs can offer any advice on were to start
Crap, my hampster fell off the wheel and it broke its leg.

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Re: NO REVERSE!!!!! please help

Postby chevydevil » May 08 2011, 6:15pm

Could be a tranny is going or your shift selnoid is shot

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Re: NO REVERSE!!!!! please help

Postby prplhaze181 [OP] » May 08 2011, 6:43pm

thanks i appreciate the bump
so what would the cost be to replace one of those silinoids?
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Re: NO REVERSE!!!!! please help

Postby chevydevil » May 08 2011, 7:19pm

I know it was less than two hundred but in my case that didn't fix the problem. Something in my tranny broke so hopefully its the latter foe you

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NO REVERSE!!!!! please help

Postby gmctruckguy » May 08 2011, 11:18pm

Do you only have first and third gear? If so your reaction sun shell broke inside the trans, fairly common problem, I used to replace alot of then at the dealer.
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Re: NO REVERSE!!!!! please help

Postby prplhaze181 [OP] » May 09 2011, 1:03am

i have every gear but reverse first gear revs higher before it shifts into second but it works how much do thos reaction sun shells cost to replace?
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Re: Re: NO REVERSE!!!!! please help

Postby chevydevil » May 09 2011, 2:54am

gmctruckguy wrote:Do you only have first and third gear? If so your reaction sun shell broke inside the trans, fairly common problem, I used to replace alot of then at the dealer.

That's what it was! But with mine when it broke, it messed up the gears so my tranny had to be rebuilded. Cost me 3grand at AAMCO

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Re: NO REVERSE!!!!! please help

Postby gmctruckguy » May 09 2011, 2:57am

Ok I dont think you have 2nd, drive your truck and shift it manually, start in first then shift it up to second once its reving pretty good, then shift to 3rd get rpm up, shift to 4th. if it doesnt shift into second but when you shift it into 3rd it down shifts and also when you shift from 3rd to 4th the rpm doesnt change then you are missing 2nd and 4th also which means the sun shell. Call around for an estimate, it will be cheaper than an overhaul but still requires r&r.
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Re: NO REVERSE!!!!! please help

Postby lzn197 » May 09 2011, 3:16am

The sun shell is toast and with the amount of miles you have, a rebuild will be in order. Sorry.
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