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Chevy Silverado and GMC Sierra Transmission Problems

503 messages,  Last post on Nov 10, 2009 at 5:28 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

#392 of 503 Re: 98 silverado overdrive problem [slayer10] by bumperdude Jan 19, 2009 (9:44 pm)
Replying to: slayer10 (Jan 19, 2009 9:25 pm) one of my service trucks had the same problem, i had it flushed and its been fine for 30k miles. give it a try. good luck.
#393 of 503 2001 chevy 4/4 by ricky16 Jan 25, 2009 (10:32 am)
i put 2002 transfer case in my 2001 and now the speed meter does not work and will not shift gears.
#394 of 503 transmission bangshift by jbh40 Jan 26, 2009 (3:06 am)
I Have A 1999 K1500 the transmission [4L60-E] Bangshifts from 1-2 & 2-3.I rebuilt the trans. with all new silenoids and torqueconverter,replaced speed sensor,coolant temp sensor. It still bangshifts after its warm.shifts fine when its cold. I can pull off the road and shut the truck off for just a few seconds, start back up and it will shift fine for a little while then right back to bang shifting.i noticed that when it does this it loses lockup aswell. Does anyone have an idea of what's wrong with this thing? PLEASE HELP!!!!
#395 of 503 97 gmc sierra 1500 bangshift by capurro Jan 30, 2009 (7:59 am)
I have a 97 gmc sierra with a 1st to 2nd bang while shifting.It has been doing this for years.Truck has 160,000 miles.This seems to happen when the truck is hot.I have been told by a friend to drive it until it breaks.I have also been told it is backlash from the rearend.The local mechanic scanned it (dont remember the code)and said there was a fix that gm had a wiring harness that would do something?Maybe a shift solonoid ? A shift servo ? I would take it to the local tranny shop but the guy is a crook,he bent me over my last experience with him.I was also told that doing a tranny service would make things worse.Can anybody out there shed some light on this problem.Thankyou.
#396 of 503 97 gmc sierra 1500 bangshift by capurro Jan 30, 2009 (1:31 pm)
the 97 gmc sierra has a 5.3 engine 4x4, I dont know what tranny it has.
#397 of 503 Re: 03 SILVERADO 1500 Transmission Problem? [catfish2] by Smitty66 Jan 31, 2009 (11:09 am)
Replying to: catfish2 (Mar 20, 2007 4:30 pm) Have 00 Silverado, appears to be slipping while in OD, hwy speed. does not do this in 3rd. checked around, possibly OD is going out. Recommend just replace tranny, repair would probably cost more.
#398 of 503 Re: Transmission problem [framemaker] by Whiskeynick Jan 31, 2009 (4:19 pm)
Replying to: framemaker (Sep 25, 2008 4:12 pm) Did replacing that solenoid fix it? I have a 97 Z71 That will only use 3rd and reverse. It has a po785 code. I replaced the 2-3 solenoid today and it did not make a difference.
#399 of 503 Re: 03 tranny questions [03chevyguy] by Whiskeynick Jan 31, 2009 (5:11 pm)
Replying to: 03chevyguy (Jan 04, 2008 2:09 pm) I have a similar problem with my 97 Z71. I drove it for 100 miles the other day got to stop sign heard a loud clunk, and the truck would only use 3rd. What did you find out about your problem?
#400 of 503 trans problems by beaver_lf65 Feb 05, 2009 (4:15 pm)
i recently towed my car from wisconsin to missouri i got most of the way here and the trans started to make noise so i checked and it was out of fluid.. it appeared to come out of the transfer case main seal is but i didn't think that they shared fluid do they? also now my second gear isn't working and i think also 4th gear. will a flush help anything or should i just rebuild the trans? Replies to this message: jbh40 (Feb 06, 2009 6:27 am)
#401 of 503 700r4 by zhood Feb 05, 2009 (8:29 pm)
i have a 90 pickup it holds first long and then shifts hard at 3500 rpm with reg driveing and it makes roaring wineing nois when going down the road like it comes from the converter i got the tranny at the junk yard and installed it my self not a mechanic i am a mason please help some on at napa said some thing about a tv cabel i do not know please help

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