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Chevy Silverado and GMC Sierra Transmission Problems

506 messages,  Last post on Dec 01, 2009 at 1:57 PM

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What is this discussion about? Chevrolet Silverado 1500, Chevrolet Silverado 2500, Chevrolet Silverado 3500, GMC Sierra 1500, GMC Sierra 2500, GMC Sierra 3500, Transmission, Truck


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#196 of 506
tranny problems?????? by missu3
Dec 29, 2007 (9:13 am)
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98 chevy Z71 truck shutters really bad when trying to shift into overdrive. i have put friction fluid in tranny and it will quit an run and shift smoothly for 2500 miles. then starts shuttering again. took the truck to a tranny shop. the tech says its not a tranny problem because it gives a code for 5 cylinder misfire. the thing is it only does this when it shutters. doesn't make sense to me because soon as you put friction fluid in the tranny drive for 30 minutes it quits shuttering....
#197 of 506
96 gmc dually diesel 3500 truck does not shift out of 1st by 96gmc3500
Dec 29, 2007 (1:26 pm)
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Replying to: blaroche (Dec 14, 2006 7:21 pm)

it worked good, it has the 17 bolt pan, dont know what model.
the truck will not go over 40mph or so the engine redline. so i assume is the tranny. i changed the fluid today it was a little dark, no metal visible, no burnt smell. no short when i took off the pan or around it, all fuses look good. btw the trany was rebuild dont know when. any help will be appre tk for the help
#198 of 506
Re: Chevy 01 Z71 tranny issues [obyone] by geno31757
Dec 30, 2007 (9:51 am)
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Replying to: obyone (Dec 27, 2007 11:43 pm)

mine is a 5.3L, if it matters much. I was told by the local dealer [near sacramento] it ran $2,100. so total was $2,600 w/a 3yr 100K warranty. as opposed to $1,800 from a well known tranny specialist for him to rebuild and modify chevy impefections and i believe a 1yr but I need to ask. perhaps if I gave him $200 cash more he'd add on 2 more yrs??
#199 of 506
2500 HD Silverado 8.1L Allison Transmission proplems by sorensen2005
Jan 02, 2008 (3:02 pm)
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if i dont come to a complete stop at a stop sign, when i hit the gas the transmission does not engage right away and that creates a problem when it does engage and i am at 2000RPM's. My local trans shop (Very well credited for generations) he says to me "Come pick this piece of S#&t up i cant figure out what is wrong with it and noone has any information for me on how to fix it." Has anyone had this problem with their chevy, and how did or would you correct it.
#200 of 506
was working great by biggie4
Jan 02, 2008 (10:02 pm)
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I have a 1996 Silverado 1500 5.7 litre It is the best truck I ever had 'till I went to put it in 4x4 one day. Now its pulling to the left like the front left tire is not locking in with the front right. I don't know if its a mechanical or electrical problem? CAN SOMEONE TELL ME SOMETHING?
#201 of 506
03 tranny questions by 03chevyguy
Jan 04, 2008 (2:09 pm)
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I have a 03 Z-7, and i started having problems with the tranny this week. I was backing up then put it in drive when it jerked really hard and made a loud clank. after that all i had was 2nd, 3rd, and reverse. This continued for the remainder of the day. the next day i was going to limp it in to the mechanic and everything was back to normal. ????? It only has done one other time today and is now back to normal again. I am thinking of having the tranny flushed and putting in some type of fluid to try and clean the valves up a bit. Anyone else had this sort of problem with their truck?
 
Also my message center will say Reduced Engine Power when I start it sometimes. When this happens I have no throttle and all I can do is idle. If i turn it off and let it sit a few minutes everything is back to normal. Any ideas?
#202 of 506
Re: 96 gmc dually diesel 3500 truck does not shift out of 1st [96gmc3500] by maxwell10
Jan 07, 2008 (5:30 am)
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Replying to: 96gmc3500 (Dec 29, 2007 1:26 pm)

i believer the 17 bolt is a 4L80E, i have one in a 3/4 ton chevy.
mine shifts out of OD on a hill as is normally expected but then will not shift back into OD and then will shift hard thur gears at each stop.
 
Must stop truck turn off engine for about 30 sec. start up and every thing is fine.
 
Have a great Chevy truck day!!
#203 of 506
Re: 2001 chevy silverado 4x4 troubles [laura21] by maxwell10
Jan 07, 2008 (5:40 am)
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Replying to: laura21 (Dec 17, 2007 3:45 pm)

I may not be much help on truck repair, but I can tell you one thing you can put in the bank.
A perfectionist should not buy a used Chevy truck, you have to expect problems every day or so, you must just learn to live with them and fix them when they get so bad the truck will not long go.
I do not believe this is the life style of a perfectionist, I should know I have a son who is the same way, he bought a used Ford truck with 60K, I could not believe it. But he still drives it and is always asking me to listen for some unknown rattle or noise, as a Chevy truck owner, I say do not worry about it until you think the wheel is about to come off.
 
Have a great Chevy Truck day!!!!
#204 of 506
Re: tranny problems?????? [missu3] by maxwell10
Jan 07, 2008 (5:50 am)
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Replying to: missu3 (Dec 29, 2007 9:13 am)

how many miles, if over 100K, truck needs a tuneup anyway. New wires and plugs
 
otherwise:
might check wire to #5, could be shorting out on something,
cheap fix, replace number 5 wire and plug could
 
When my trans acts up I stop, turn engine off for 30 sec. problem clears up and on I go, mine problem is some type electrial issue and your may be to as when it clears trans works ok, trans would never work ok if you had internal gear/clutch problems.
#205 of 506
94 Chevy Silverado Transmission Grinding Noise by brjohn
Jan 07, 2008 (10:07 am)
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I recently had the transmission re-built and after about 7k miles I had a grinding noise between gears. It seems to shift fine and is not slipping but at the top end of each gear I get a loud grinding noise and I have to let off the accelerator to stop it, then it shifts to the next gear. If I go easy on the accelerator it doesn't do it but I mean easy to the point of ridiculous. Also seems to do this when I am accelerating and hit a bump, almost like something is loose??? Is there any chance this could be a problem other than the transmission? The transfer case was low on fluid, but works, although it seems to go in and out when driving. Could the transfer case cause a problem like this? I need to know before I pull it for warranty. This is a automatic overdrive transmission on a 4wd. Any help or thoughts would be great.

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