124740-TL30 Pressure Switch Installation Tool Kit Works with F/124740-30K, Perfectly Fits for GM Transmissions 6L45 6L50 6L80 6L90 & 1st Gen 6T70 6T75

2010 Buick Lacrosse back in business! Wow, and Awesome. I don't usually write reviews, but this worked SO great. It was a huge pain getting to this point (and putting everything back together), but this tool set was great. 2/4 of my disks were shot, and one was about to fail. Hope this lasts, but it definitely fixed my transmission. 8 hours of labor to take apart, and put back together for a $20 part....well $1 part as its the simple little clear plastic disk that fail. But MUCH less than a new transmission!!!

You can install with out removing transmission YouTube video to help.

Great kit. Love that it came with the tools. Definitely not a job for someone with no patience because you can damage these seals easily if you rush.

The included tools definitely helped, but the included seals did not fit reused old seals they had no damage and replaced the cracked laminated disks with the new ones from the kit. 4 stars because of seal fitment Got the dang 6L80e shifting smooth again 💪

Worked great 10/10 would recommend very easy to install with the tool provided

2010 buick enclave would stick in 1st gear at random times. The seals to the shift solinoid wear out and allow trans fluid to slip by and not shift. Got these seals come with install tools. Not bad to install. Take your time. Shifts and drives like new.

Bought this to use based on a video from the YepThatsIt YT channel. My truck has a shudder from a stop and a hard shift into 3rd and 5th gear. I also sometimes got a delay into 3rd or 5th gear. Paired this kit with an ACDelco seal kit 24238925. That's all the rubber seals except the pan seal involved in removing and re-installing the TCM. The kit here fit perfectly in the transmission. I had 2 torn orange plastic disks and the 1st one was black with crud so I'm sure that wasn't helping anything. After install of the kit it's been 3 days and a hundred or so miles and everything is working much much better now. The tools worked great, I recommend getting a kit of seal picks too. An All Data subscription can walk you through the tightening order and spec for all the bolts during reassembly.

Nice kit comes with 1 extra. The repair is possible DIY but must be very patient and track every bolt.

This repair kit is hard to install, and would be nice if it had a few more round disks to make up for the ones you will destroy while trying to figure out how to use it. But one you figure it out, while still not easy, how do you argue with a successful repair? After all, if it was easy, it wouldn't be a gm product needing the fix. It solved the problem.... now onto the other never ending list of breaking stuff on this car!

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The installation kit is great, the quality of the sensor covers feels better than stock, and the rubber seals feel better than stock. I installed these in July of 2024. The vehicle ran great, had perfect pressure to each sensor, and didn't even hiccup until recently. In October of 2025, the 2nd switch failed again. Caused the vehicle to go into limp mode on the highway, so will have to replace these again when I can. That doesn't mean they wont last on different vehicles, more than likely just an issue with the first gen of the Buick Enclave transmissions unfortunately.

ليست مطابقة والاداة الحديد ليست نفس االقياس اوسع ولا يمكنك كبس العدسة .. طلبت الاسترجاع لكن تم الرفض