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Chevy Silverado and GMC Sierra Transmission Problems

507 messages,  Last post on Dec 08, 2009 at 8:18 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

#389 of 507 95 sierra no reverse or 1st gear engine brake by bomb_tech04 Jan 17, 2009 (7:07 am)
i have a 95 sierra, 4l60e trans. that is really weak in reverse. it barely pulls the weight of the truck. i tried the (engine brake in 1st) and it doesnt brake, just acts like it rolls through, all gears foreward pull fine, just problems with reverse. i changed the fluid and filter, no shavings in pan, and the fluid level is spot on.
#390 of 507 2008 1500 silverado trans leak by cac4 Jan 17, 2009 (6:33 pm)
Hello I have a 08 4x4 with the 4.8L, w/21k. For the second time in 2 wks the truck is in the dlr for a trans leak. The dealer is cool about it, but it is not acceptable. Yeah shit happens, but GM need to get there shit straight. I was going to buy a toyota, but I live in the metro det. area and decided to give them one more chance. May be the last. I will update this post with what seal was replaced the first time and what they say the second time. I just wanted to know if anyone else had any leak issues with their new trucks?????maybe a ???
#391 of 507 98 silverado overdrive problem by slayer10 Jan 19, 2009 (9:25 pm)
hi guys i am new to the site so i hope that the info. that i submit is enough. its a iffy situation. sometimes while driving the trans. will shift into overdrive, but most of the time it will not. i have changed both the transmission module switch, and the safety neutral switch and it still does it. someone please help! Replies to this message: bumperdude (Jan 19, 2009 9:44 pm)
#392 of 507 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 507 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 507 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 507 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 507 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 507 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 507 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.

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