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re: Mechanics of the OT, I need your help with my transmission

Posted on 5/23/25 at 11:12 pm to
Posted by UptownJoeBrown
Baton Rouge
Member since Jul 2024
2607 posts
Posted on 5/23/25 at 11:12 pm to
Check transmission linkage.

Could be just a solenoid going out. Replace all if this is it.

Any noise at all or just the engine revving?

No check engine light?

Any recent work done on the vehicle?
This post was edited on 5/23/25 at 11:14 pm
Posted by OWLFAN86
Erotic Novelist
Member since Jun 2004
189200 posts
Posted on 5/23/25 at 11:15 pm to
This thread is what I love the most about the OT
Posted by UptownJoeBrown
Baton Rouge
Member since Jul 2024
2607 posts
Posted on 5/23/25 at 11:18 pm to
I like to fix stuff.

And I can find anything on the internet.
Posted by OWLFAN86
Erotic Novelist
Member since Jun 2004
189200 posts
Posted on 5/23/25 at 11:21 pm to
You probably ask AI you're leading the computers start to control us it's probably going to make him crash his car because the machines are starting to take over that's how the computers win
Posted by UptownJoeBrown
Baton Rouge
Member since Jul 2024
2607 posts
Posted on 5/23/25 at 11:27 pm to
No I don’t ask AI. I have experience.
Posted by Z Cavaricci
Member since Jun 2020
1737 posts
Posted on 5/24/25 at 3:45 am to
quote:

Ignition coils are going out. Change the coils and new plugs and you'll be good


This.
Run a scan for misfires. Cheap and simple check before you bring to transmission shop.
Posted by rooster108bm
Member since Nov 2010
3087 posts
Posted on 5/24/25 at 4:01 am to
quote:

I put my vehicle in drive and pressed down on the gas pedal and the engine would rev, but I wasn’t moving at all. I


Sometimes when certain things are wrong with a transmission you can shift out of drive into low gear or reverse and they will move. If you check fluid level engine off vs engine on and the level doesn't change the pump has failed and it won't move in any gear..
Posted by justjoe906
Member since Oct 2013
1774 posts
Posted on 5/24/25 at 6:49 am to
Sounds like it's way more serious than a can of additive can fix. Make sure you take to a reputable repair shop. I've read horror stories about some of the local (Baton Rouge) transmission shops.
Posted by Popths
Baton Rouge
Member since Aug 2016
4288 posts
Posted on 5/24/25 at 7:04 am to
Anybody has shop recommendations with good experience?
Posted by Tear It Up
The Deadening
Member since May 2005
13821 posts
Posted on 5/24/25 at 7:05 am to
I would find a reputable independent repair shop (not the dealer) and have them diagnose it. I would choose a Jasper rebuild replacement over someone rebuilding it in house (warranty and resale).
Posted by Bama Shadow
Member since Jan 2009
668 posts
Posted on 5/24/25 at 7:35 am to
Whomever you get to fix the trans, find someone to delete the cylinder deactivation. That's the main source of alll those GM transmissions.Prematurely wears out the converter. My best friend is a former service manager at a GMC dealer and his master tech told him that when his went out. Did a rebuild and a tune and zero problems since.
Posted by REB BEER
Laffy Yet
Member since Dec 2010
17119 posts
Posted on 5/24/25 at 7:37 am to
2017 Tahoe

Torque converter has come apart. Happened in my 16 Silverado and my wife’s 17 Tahoe. If you bring it to dealership, you’ll get the same shitty torque converter. If you bring it to a good transmission shop, you can get a better one and save about $2,000.
Posted by Shanegolang
Denham Springs, La
Member since Sep 2015
4356 posts
Posted on 5/24/25 at 7:56 am to
quote:

Anybody has shop recommendations with good experience?


Mikes Transmission Strain Rd off Oneal.
Posted by F1y0n7h3W4LL
Below I-10
Member since Jul 2019
2416 posts
Posted on 5/24/25 at 8:00 am to
Mine developed a shudder at 90,000 miles (Chevy Colorado) and a transmission guy changed the fluid and filter and fixed it right up.

I don't remember exactly but I'm thinking around $600. A relative who has one of those warranties had the same issue with his and he replaced the transmission. I don't want to even think about what a new transmission would run.
Posted by N2cars
Member since Feb 2008
34575 posts
Posted on 5/24/25 at 8:05 am to
Any codes?

Could actually be a bad catalytic convertor
Posted by UptownJoeBrown
Baton Rouge
Member since Jul 2024
2607 posts
Posted on 5/24/25 at 8:12 am to
a-hole asks for help, we ask questions to help, and he ghosts. What an a-hole.
Posted by TigerHornII
Member since Feb 2021
896 posts
Posted on 5/24/25 at 8:16 am to
Is there an Aamco in town? Most of their dealers are held to a decent standard vs indie shops, where you have no idea what you will get. Might be great, might not.

They all source both the rebuild kits and the complete rebuilt transmissions from the same handful of places. The only difference is the caliber of the builder if it's built at the shop, and most shops no longer do builds in-house. Your install is not complicated at all, no shop should have trouble with it. They just need to be darned sure to flush the cooling lines properly.

If you do go with an in-house build, look for shops with hot rods in the parking lot. Guys who build performance transmissions will know more of the tips and tricks for building a good trans, and the transmission in your truck will be something they see a lot of because it is used in so many applications.

WRT to using a Chevy dealer, just don't. They also get their rebuilt transmissions from the same sources - ATC in OK City, Jasper, etc - and there is no such thing as a "NEW" transmission. ALL "factory" warranty transmissions, unless the transmission itself is an all-new design that has just been on the market a few months, are rebuilds. ATC used to have the contract for 2/3rds of the automakers selling in N America, foreign and domestic. Not sure who's doing it these days.
Posted by NeilArmstrong1969
Member since Jul 2024
58 posts
Posted on 5/24/25 at 8:35 am to
Does anyone have any experience with Budget Transmission off Airline?
Posted by BigBinBR
Baton Rouge
Member since Mar 2023
7494 posts
Posted on 5/24/25 at 10:12 am to
quote:

Am I going to have to totally replace my transmission?
quote:

I drive a 2017 Tahoe with 164k miles on it


I don’t really need to read anything else. Yes. Especially if it’s the 8 speed. The 6 speed is a little better, but the transmissions on the 14-18 GMCs are always issues.

If you haven’t serviced that transmission in 164k miles then it’s probably toast. What does the transmission fluid smell like when you checked it. And what color is it.
Posted by Larry_Hotdogs
Texas
Member since Jun 2019
1611 posts
Posted on 5/24/25 at 10:17 am to
Transmission probably shite itself. Best of luck.
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