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2015 Chevy Suburban with 130k, transmission went just like everyone else's, so I had it rebuilt at a outside shop with a trusted mechanic but I keep on having to bring it back. He rebuilt it and it took a week for the converter and the new gears to shift smoothly once again (normal). But now Im having problems with the temperature. My transmission temp is skyrocketing to 260 degrees with no check engine light coming on. After doing further investagation and taking the dipstick out and looking at the fluid and touching the stick it wasn't burnt or hot at all. The stick was cold. This is causing both my fans to blow cold air which is doing nothing and the temperature stays. The engine temperature is normal around 190. I love these trucks but with the amount of money put into them to keep is insane.
I have not seen a whole lot posted on this and tried to search first. Recently I started noticing a rough shift pattern. I can't tell if its 2-3, 3-4 or 3-4,4-5. It is under light acceleration and been a bit colder. It seems to lurch when making those two shifts. I need to do some driving to test further to see if it progresses through the rest of the shifts or clears up after warmed up.
Curious if anyone else has run into this and if there are any troubleshooting steps I can do without any special tools/scanners. I am due for a scheduled visit to the dealer and will have them look into it but found the more information I can provide them the better. Still under powertrain warranty (5 year/100k)
I don't have the TCC shudder anymore after the latest fluid change about a year ago but I have gone through a few fluid changes and a TCC replacement.
I have read where if this clears up when its not cold that may be expected. I'm wondering if I have a solenoid starting to freeze. Probably not a lot I can do without a scan tool that can read from TCM but thought I'd ask.
Hey everyone, I'm having trouble with my trans. 4l60e .. Out of the blue one day it would engage after start up for about 3 mins. Then it would completely fail .. No movement in any gear... Turn it off for a 5 min crank and it repeated.. fixed that problem... Filter and seal was bad and not allowing it to seal off and couldn't transfer enough fluid... After it was fixed it worked fine.. i had to use 4wd a week later and manually sifted to 1st and there was nothing it just reved no movement or noises .. Tried 2nd -3rd same results.. it works fine in drive pulls hard no strange noises or funny feelings..shifts through all gears fine .. Any idea why it won't engage manually?
Just wanted to reach out and see if anyone is interested in trying AMSOIL's ATL in their 8sp transmissions that are having the shudder issues. If you are, PM me your address and I can get you a discounted quote delivered to your door for 16qts. That's basically the amount needed to do a fluid exchange. Thank you.
Hey guys, new to this forum. Recently purchased one of the dream trucks of mine, 2014 Sierra Z71 4x4 5.3l. Which I was finally able to afford lol, bought from a local dealer with 88k miles.
Prior to purchasing I test drove it, checked the history and maintenance records from GMC. All seemed well, purchased it and few days later while driving home on the highway cruising about 60-70mph, I began noticing a really loud sudden vibration that would come and go every few minutes (feels like it’s coming from underneath the truck not sure), lasting about 5 seconds. Even around 20-30mph I notice some shaking. Seems to be shifting fine, drives pretty smooth other than these vibrations that are coming and going. I just don’t know what it could be. I didn’t notice it during the test drive, just my luck, hoping for the best. Any opinions are greatly appreciated, I attached a video as well of the sound.
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