Transmission Temperature Before and After on a 6L80 Chevrolet 1500 Check This Out ! 

I have the misimoto kit with the bigger trans cooler. I average 150 in west Texas with a large cam. This is a must do modification.

All your videos are excellent. I watch and like all of them. I used the kit on my truck and had the same results . Thank you

I bought used 2017 Chevy Silverado 1500 with 46,000 miles about a year ago and immediately deleted the afm and installed the transmission cooler bypass as well as changed all fluids front to rear! Hopefully I'll get many a mile before any serious issues! My transmission temp is almost always at 145 after the fact and the highest I've ever seen since is 170 but goes back down after climbing a hill while towing

I did this on my 2020 Ram 3500 6.7, i hit 132 with empty trailer, loaded with 30k lbs same to 155. Highly recommend.

I put the transmission cooler delete on a 2021 Chevy Silverado and I live in Cincinnati Ohio and it got down into single digits and I just let it warm up every morning and it was fine During the summer and hits about 145 from a cold Start 2014 all the way up to current you should do it

The transmission sends fluid first to the cooler in the radiator, so the coolant runs at 195 degree, the second cooler is not sufficient to help. On my truck I eliminated my lines to the radiator, I now use 2 external coolers with fan's, the sensor I use turns the fan's on at 180 off at 165, I also have it wired to my A/C. When my account clutch engages the fan's come on. 93 degrees day my 6L90 has never gone over 165 degrees

My brothers runs 140 through the hills of West Virginia mine runs 185 5miles down the road and back definitely gettin the bypass upgrade

A complete bypass is a bad idea IMHO as the TBP bring the trans temp up quickly for better operation and regulates it at a lower temp ... Installing the GMC upgrade mod TBP will keep the temps at 150*s city to 160*s/70*s Hwy ...On hot summer days in stopped traffic its gone up to 180*s+ but comes right down when moving again ... Just remember that ATF best operating temp is 175* ... :) Reply

the 2016 chevy torgue converter are bad get a billet converter

I did the pill flip on mine, went from high 190's to not over 150 on the highway. 170's in town.

I just changed mine in a 2018 suburban. My tran temp got up to 225 and went down to 174.

I have the same issue with my 2008 Cadillac Escalade it goes from 180-195 really fast been having the same problem thinking it was the coolant lines switched them. Even switched to heavy duty stall and was thinking into installing a bigger transmission cooler

Next, please do a video of the install of this part That would be great

The install is super easy. Mine dropped from 190 to running 140-150. Dont know how that will go in the winter but the fluid was black as coal and that definitely isn't good

my temperature on my 2017 Silverado goes to about 150-151 but that’s it

I used the Sure Cool, part #STL010 .... $45

I have a 2015, 2500 Silverado 6L90 transmission I’ve never ever seen it rarely over 150 151° and that was on a 95, 100° day most of the time it’s between 128 and 131°

@ what temperature does condensation evaporate out of your fluid ?????????? Might as well install an ice box and heat exchanger guys you need the fluid to get hot enough to get the water out of it. Same with motor oil you don't want to see what oil does to an engine that's kept to cool.

What the temperature it should be at

This is a must do upgrade, The manufactures only want higher temps for epa emission testing, people always argue "Ford says they are fine to run at 210" ya well Ford also says do not change fluid unti 150k miles

Man my 2023 Chevy Colorado transmission temp is 205

What delete did you do?

the exhaust pipe 2 inches under the pan is a big problem iam thinking about putting some one inch thick chimney insulation arond that pipe its rated to 2500 degres just working on how to atach it .maybe some refactory cement.

Mine must already have the bypass delete. My 2016 2500hd stays around 145 always on the highway. Even towing 12000 on a 90* day. Ive seen 170ish sitting in stop and go traffic before and thats about it.

With the delete and a tune I never get above 150, deleted AFM and changed the lockup from 14 mph to 25mph. No 4cyl bullshit all this was done because my 6L80e ate shit right at the same miles as this dudes truck

I was always at 194 and last sunday it blew up. I rebuilt the transmission and also installed a thermostat kit and finished last night. My temp never got above 133 coming home last night. Its like 40 degrees outside so I expect it will eventually get hotter as ambient temps rise.

I can drive for a hour and can't hardly get my 6l80 transmission to 120 degrees. I want to conduct a relearn because I have no codes but I get a flare if I'm going very slow and the truck is cold. No problems if I accelerated quickly or if the truck is warm.

Has anyone found that using trans fluid like valvoline or a/c delco any better to keep trans cooler,or amsoil?

Looks like your converter is going out

i put the 50 doller one off ebay with the ball bearing in it cant think of the name of it but most people recomended it. easy instal took it out abot 25 miles temp today was 85 the temp got up to 150 i dont know what it will do on the hwy i was on the back roads of tn lots of hills never got over 55 but big inprovement.

Is there any danger in the trans being too cool, for those in cold climates in winter? I mean, the results speak for themselves here but there has to be a reason GM put this on these, right?

Would that help my 2020 Silverado 2500hd with l8t gas and six speed transmission? Thanks

so let me respond to the part about subzero weather in the video… I have this installed in my truck 2014.. no issues no complaints. It works fine. if it’s 30 or 40° out and I’m cruising on the highway I might hit 150 but usually in the 140s… OK probably fine with that.. as I go into Northern Maine, if it’s -10 or even zero outside my temperature runs about 100 to 115° degrees. The outside temperature seems to dictate a lot of how the surecool works in my truck. if I travel at lower speeds, it warms up a bit if I go faster it cools down. but outside Temperature plays a huge part. It’s a great product it does what it says for the most part. I’m just not sure if I like my transmission running at 100° when it’s subzero sometimes it doesn’t even hit 90 if it’s below zero. Unless somebody can tell me that it doesn’t matter.

Well I had bought a 2016 suburban with 84000 miles from a dealer had the transmission fluid and filter changed immediately. I had seen the transmission issues being posted. I do drive quite a bit of 3-6 hr trips in general and this new truck I noticed the transmission temp go to 194 in 30 degrees temperature and seen your video and immediately did the switch and temps dropped while on hwy to 120. But oddly enough today I did a 5 hr ride on pkwy and had got stuck in traffic halfway through and sat in car for 39 minutes and tranny temp went right up to 182 before traffic eased up and got to highway speeds. Now todays temps were 50 when driving This does worry me when temps get higher and I do drive this Ever. With new stat

I live in ny..winters get pretty cold how can this not make it run too cold in harsh winters? I feel like it’d make it so it’d never get close to a somewhat good temp. Please advise. Have a 15 Silverado. Average temp is 185

That temp reading on the gauge is calculated, that’s not a sensor reading. The sensor in the TCM is for the TCM’s protection and does not report to the IPC

My 14 Silverado got to 198 and the longer I drove it the hotter it got. It got hotter after getting off the expressway. I have seen it climb to 214 and a long time to cool down.

This video while factually true is misleading. 1) The trans thermostat bypass valve (TBV) purpose is to reach optimum operating temperature quickly in all seasons, increasing load handling and fuel economy. 2) The stock GM TBV on the 6L80E used to open at 194°F(90°C) but they released a TSB. Talk to your dealership and they will replace it with a 154°F(70°C) one for free. 3) Closing the bypass doesn’t increase the efficiency of your trans cooler, meaning if you hit 220°F in town, you will still hit 220°F in town it just takes more time to get there. 4) The trans cooler doesn’t go through the radiator. If you look at your lines you will realize it has a separate cooler as part of the AC condenser in front of the radiator. 5) If you live in a cold climate, expect to lose slight MPG with the bypass delete mod because the trans will take a long time to reach operating temperature. 6) I installed the Shift Technology STL010 kit and drove up into the colorado mountains and it still hit 250°F before I let it cool off. Without it, it would have hit the same temperature only quicker. So, the point here is that sometimes you need a bigger cooler, and with a bigger cooler you probably want a thermostat! Because closing the bypass would make it even harder to reach operational temperature. 7) If you only do highway or short trips and don’t tow and don’t off-road then a closed bypass mod will give you lower temps because the rate of temperature rise is lower, and it removes the temperature floor of the system. Anyways, so that’s what I’m doing, ordered a bigger cooler, and will put the 70°F TBV back in. I’ll have a quick warm up and a much shallower angle of temperature rise vs load.

Thanks, for the video. The GM design has the exhaust right up against the trans pan, this is a poor design. I’ve had one of these kits (not this particular one) put in and still get up to 250 degrees when pushing the truck up elevation. I would love to get this fix for good…

GM has an update for this: TSB is 21-NA-199 new TCV opens at 158 degrees and takes less than 15 minutes to swap it. Part is $58. Better than some silly "delete".

What is the name of the part. Also, where can I get one.

I put the bypass on mine and it's still running hot, any ideas? Before anyone asks, yes it is installed correctly, hard to mess that up. Thanks in advance

I have a 2012 silverado with a 6L80 transmission. Will the cooler delete work on it?

I have a 2016 2500. The temp never gets that high unless I have been towing my camper for a couple of hours in 95 degree heat. Edit... I actually just heard about this "upgrade" from a guy I know. I wanted to monitor my temps on 4 hours trip. The temp never went over 125 degrees without towing in 20 to 30 degree winter weather. I will continue to observe.

How much does that part cost and labor

If you live in a heavy salt state like I do in NY. It can be VERY hard to get the clip out. Buy some CLR and let it sit on top of the housing after you take it off. It worked AMAZING for me.

How bad is it my 2021 stays at 195 when hauling a trailer and 190 normal

How do you do a cooler delete

Where can I buy the piece?

I have a 2015 Chevrolet Silverado V6 4.3 and I was told that my torque converter was going out I was told to get a heavy duty torque converter what do you recommend. And how can I tell if my torque converter is giving out I took it to 4 different places and two said I need to replace the transmission another place said it was the torque converter and another place said it's a solid transmission all I need was to do a filter change and fuilds.

Does this also affect the Tahoe? I have a 2018 Tahoe, no issues but was thinking of using the Superior brand version kit if this will work for the Tahoe.

Have you done the 2022 10 speeds yet?

Mine keeps getting hot slowly and I’ve reached 250 which is extremely bad. If this bypass only drops 20 degrees, will the even work for me?

Let's see how it does it stop and go traffic that's when they eat up

I have a 2011 Chevy Tahoe transmission overheating 190 to 200 any answer

30° shave off is great 😎🤙🏻

I have 16 and want to do the same. But have a question for you. My fans stay running while driving I changed my temp sensor and thermostat and they still run Any answer

I ordered one off amazon be putting in asap

This is not as good as the $60 Shift Technology kit. Mine will run at 140 to 170.

Is it supposed to drop your temps while youre at a red light on stuck in traffic? Mine seems to run hotter now after i changed the filter. Maybe bent one of the cooler lines?

do you still prefer the sure cool?

My 2007 Suburban hit 226 over a pass and 190 pulling a 4000 lb trailer in the winter on a 3000 mile trip, have i damaged the Transmission?

Will this work if you have the 4.3 V6 engine?......I've read that it won't help with the V6 engine.

I’m is 220

Would have been useful to show the install. Without that, thi9s is actually pretty useless.

I want my fluid to run 190* Its just me

150k tahoe. Pulling landscaping trailer 11 months. No mod. Looked down 275 degrees. Whoops

195? Mine gets 220 before i pull over and let it cool off