Silverado 6L80E Transmission Thermostat Delete (2014-2018)
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- เผยแพร่เมื่อ 17 ก.ค. 2018
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In this video I show the steps and procedures necessary to delete transmission thermostat on a Chevy Silverado. Equipped it with you 6l80e Transmission. This procedure will work for the GMC Sierra, Cadillac Escalade, Chevrolet Tahoe, GMC Yukon, in any vehicle equipped it with transmission. This procedure will work for GMC Sierra, Cadillac Escalade, Chevrolet Tahoe, GMC Yukon, in any vehicle equipped with 6l80e Transmission. Here in Arizona temperatures on the road can get an excess of 115°. And with our fleet vehicles we are often telling with our trucks transmission temperatures can get rather hang with the stock thermostat in tact. Leaving the thermostat is going aroun transmission. Here in Arizona temperatures on the road can get an excess of 115°. And with our fleet vehicles we are often telling with our trucks transmission temperatures can get rather hang with the stock thermostat intact. Leaving the thermostat is going to allow The transmission fluid to not only keep the temperature of the transmission lower, but it will also increase the flow of transmission fluid entering the transmission cooler in the front of the vehicle. I hope you have found this video helpful if you have please like and subscribe If you have any questions or comments feel free to leave something in the comment section. Thank you for watching
Parts used in this video:
retainging clips
amzn.to/2LlHEum
brass 1/4 pipe plug:
amzn.to/2VH9N2J
1/4 npt tap:
amzn.to/2ZVkHl1 - ยานยนต์และพาหนะ
Great video! I found it last night and just did this mod. My truck was at 198always and after this I could only get it to 175 tops! Thank you! Anyone with a 6l80e should strongly consider this mod easy to do an makes a big difference!
im glad it helped. its amazing the difference it makes! cheers!
Dose deleting this causes problem later?
198 is normal. The transmission is designed to run hot for efficiency.
Why would you want to defet this?? It's engineed into the vehicle.
It tells you on the IP if the transmission is to hot...
@@philllsxga.7737 stock yes thats normal and for efficiency you are correct, but i have a built lock up convert and tuned, so at 198 degrees my convert falls on its face being that hot, especially when you want to lock 4th and make power, that's why its nice to be able to delete, plus I frequently tow up to 9k and that heat on a trans under load would kill it!
@@williamogden6818 so your are saying the factory converter is stronger? It is designed to run at 198 ish all day long!
My Silverado trans. Temp was 217 to 224 for four hours straight from racing in the sand in four low and 113,000 trouble free miles.
Try a Suncoast converter..
Thank you for making this video. After performing this mod and adding an oil cooler on my 2015 Chevy Silverado I have had a 20 to 30 degree drop in temperature. It's 91° outside here in Florida and my transmission temperature has not risen above 160 on the interstate cruising at 70 mph. Before this mod my transmission temperature was on average 190 to 200+ .
Quick heads up, the later trucks (mines an 18) have a plate with a 10mm bolt to hold the front lines on rather than circlips
I did this to my 14’ Silverado . Florida truck running around at 150-170 now. In Virginia mountains pulling my 8000 pound camper and it only gets to 190-205. 215-220 was not uncommon with the camper before this mod. Thank you!
Awesome! Glad to hear
I just installed it on my 2015 sierra. At 75 mph for over an hour it got to 170f and dropped to 160 going at slower speeds. Def. Reccommend this item.
My new to me 2014 4x4 with a 4.3 had trans temp of 230 after 10 miles pulling a 10x6 box trailer at 70 mph. I made this mod and now runs around 185 in similar conditions. Thanks!
Unfortunately, I’ve hit 243’ pulling a trailer for 2 reasons. I forgot to hit tow/haul AND the thermostat was stuck. I put the new GM 8677-4933 in it and if I dog it, I’m getting 199’. Did your tranny survive the 230’ and did you change the fluid? Also, how’s the delete working? I’m thinking about one of the 150’ kits inside my old housing. Thoughts? Thanks
@@Sax6thAve123 after more testing, the delete helps but unless I am very careful and am very steady on the gas, (don’t allow the tranny to shift up and down), it will easily get up to 230+. When it does it can and will slip when accelerating from slow speed. I always run in trailer mode when pulling the trailer. Really the best thing to do is use the cruise control to keep it steady. I really think it needs a tranny cooler. If I’m real careful, I can’t keep it around 210 pulling a trailer, and that makes sense since that’s what the engine temp runs, so tranny cooler in addition would be a help.
Did this after installing my 3k stall converter. Went from 196° to 165° and that's running the truck hard
Nice informative video and a great mod, what I don't like is you loosened everything once then put it back on before showing it on video....
I just flipped the pill and it solved my issue. No tapping needed
my heart drops at 4:20
when i saw that.. i heard my dad yelling in my head dont bang the tool just use your head instead.
Thanks for your help 👍
Thanks for the video
Changing out the regular t-stat to 180 degree helps the truck a lot.
Great step by step. Hydraulic fluid hates high temps. Cooler is better.
10-4 , thanks bud
I have a 2017 Chevrolet Silverado 2WD just about to hit 100K mi trip to Arizona my truck slipped gears and then over heat + 220 transmission fluid’ I added fluid and towed now it went down but should I delete thermostat ? It should work to cool down lines I’m hearing?!
Great video describing similar situations
HEAT IS THE ENEMY OF THE FLUID, WHICH IS THE LIFEBLOOD OF THESE TRANSMISSIONS! EXCELLENT VIDEO. I WOULD SUGGEST USING GLOVES. I AM A TECH OF 25+ YEARS. OILS AND CLEANERS AND SOLVENTS ARE ENEMIES OF YOUR HANDS. WISH YOU WELL AARON HINES. GREETINGS FROM TRANQUILLITY CA.
I used the Superior Solutions STL010, which also removes the thermostat and provides a cooler bypass should it get plugged.
Temps went from ~190F to ~145-150F. It is also interesting to note that my '15 has the newer style cooler line plate retainer, rather than the clips. They must have changed it during the run. Very easy install, took about a 1/2 hour.
How much fluid did you lose? Did you have to add any after the install?
@@Jaime_G. Didn't lose hardly anything, not enough to have to add any.
@@gcrauwels941 nice! Thanks for the quick response
After you tap what kind of plug did you instal on it i know is an screw also is alloy o metal screw thanks great video
Would you happen to have the torque spec for the newer housing that has a bolt to attach the cooler lines?
Already dipping into freezing sub freezing in the foothills of Denver i think the alternate temp should work real nicely well see your mod might be the way
the way I did it is way simpler , just take out the thermostat and flip it up side down and then but it back and then the spring after and that should do the trick 😉 It’s working with me
Any problems since you doing this ?
Juan Carlos Valdez nothing at all , with my TruCool trans cooler and the “in-series’ hose connection and the thermostat trick , it’s all good and it’s been more than two years now you just gonna have to make sure you do the thermostat trick the right way
Dude best thing i ever did
Do a video!:)
I was watching this video wondering why he doesn't just flip the stat to plug the hole
I tried the plug you show and it reduced the flow because of the head of the plug. After I put one in with a sunk head it worked like a champ!
Tanya Hardware Brass Pipe Fitting, Hex Counter Sunk Plug, 1/4 Inch NPT Male Pipe
Please why do you increase the depth of the valve housing and is the valve reversible
Im doing this. My STOCK 2017 5.3 silverado is going to be on its 3rd trans. Going to build it with every aftermarket part i can find..
I attempted the mod this afternoon and the bottom line leaked over a quart of fluid out and still didn’t stop so I put the line back on and went to the parts store for a quart of fluid. Any trick to this? Does my truck need to sit overnight and cool down? It sat for about an hour and a half before I started.
I change my transmission fluid, filter and seal every 25,000 miles and ALWAYS make sure the level is in the hatch marked area on the dipstick, while the fluid is hot and engine idling. Make sure your vent tube isn’t clogged too. Never ever ever overfill your transmission.
Can you make a video explaining the process?
Changing the trans fluid on a Silverado is a bitch
What happens if you overfill????
@@pikicustoms4628 fluid will start to cavitate (foam) and won’t cool/lubricate properly.
Nice bc I check my transmission oil level after transmission oil change at the dealership at cold and hot for 2 days and they overfilled it . I just bough a syphon pump at harbor freights and will be removing extra oil thrue dip stick thanks for the information.
My truck is a 2014 v6 dont know what trans it has but runs high, can I do this to it too? I assume it’s the same trans
Whats the part number on the thermostat? Having a hard time finding online. Want to install on my 2013 Avalanche, trans run very cool, like 120°/130° sometimes. At idle for an hour highest ive seen is 172°. I would worry about it if i havent had trans problems. Just installed a brand new 6l80e and worried about this one. Last tranny ran identical temps.
Those black clips when put back on right those hug the clips so they won’t pop out correct ? I had my radiator motor line pop out the radiator the Clip was very loose replaced it and put the black thing on to it and feels like it’s snug now
Can I do this mod plus install an auxiliary cooler and still be ok ?
I have a 2014 GMC Sierra 5.3 SLT 4x4
Hey man, thanks for the info. Out of the few videos out there on this, you sound like the only one that has done this multiple times. I can’t get my thermostat out. The snap ring gave me a little bit of trouble but I got it eventually. Have you ever encountered this? If so, what did you do? I’ve tried wd40 and brake fluid so far. I’m tempted to pry it out through the fluid lines but seems sketchy.. Any suggestions would be much appreciated, thanks.
Try hiting the sides with like a hammer but not hard just to pop it ofg
Could i add this thermostat to my 2013 avalanche (5.3/6l80e)? Just replaced the trans with brand new one. Old one ran like 125° all the time. New one is doing the same, comcerned its too low as i swear i felt shuddering at low rpm, looked down and trans was at 123°. Wish i had that thermostat to bypass the coolet up front, get it up to some reasonable temp
If you put the middle piece in first then the spring it works aswell. And this way you dont have to tap anything. You’re welcome 😉
Yes I’m aware. I made a video on how to do that as well.
m.th-cam.com/video/RmOg0rZlNLY/w-d-xo.html
However this method provides greater flow to the cooler. I’ve done both ways dozens of times on fleet vehicles
I just bought a 2014 sierra 1500 and within a week, I had a shop install a mishimoto cooler and deleted the thermostat. I dont tow, but I do live in mountains and my trans temp doesnt get past 125° F
Do you recommend fluid change as well if it’s brownish looking.
I ordered a kit but I want to know if the low Temps will interfere with dipstick reading.
Hello guys ... perhaps a better thermostat wouldn’t be better ??? If anyone knows where to get it pls post link . Thnaks
So start it up and fill to the hash marks correct? And good to go?
I’m in Arizona too, what would you charge to get this done on my 2015?
Is this a better solution than installing a cooler bypass valve like the one from Superior?
Hello I am going to be trying this mod I have aftermarket big wheel on my truck and always loaded temps reach 210 to 215 degrees hopefully my temps drop lower with this mod
I’m certain you will see lower temps. Most trucks I have done see temps around 165-175 at all times. Let me know how it turns out
@@AaronHinesAuto the link can u send me a part number of the tap u have used? The one on the video isnt a working link
@@dee1642 sorry about that, should be fixed now. here it is.
www.oreillyauto.com/detail/b/century-drill---tool-3156/tools---equipment-16488/hand-tools-16814/cutting---drilling-tools-16542/thread-repair-16906/pipe-taps-and-dies-19607/46e8239073d9/century-drill-tool-standard-pipe-tap/95202/2620671?q=+95202&pos=0
@@AaronHinesAuto so doing this blocks off one port of the cooler line and only using 1 rite my thermostat looks a lil different then how ur looks mine 2017 Silverado. I did what u did tho I see it blocks off the other port tho for the other trans line is that koo? I blow thru it and only have the side that goes into the trans and into the cooler line clear since the plug block the other 2 ports. I just didn't understand on puting the plug blocks the other port from the return side to the cooler to the trans. Cause u have inlet and outlet on the trans so if u block the port with 1/4 plug how is the fluid returning back to the trans if its block off with that port. Cause I blocked it off with the plug as u did and only have pass thru from 1 port witch is from the trans to the cooler. So that mean the other trans line from trans to cooler isnt being used?
So did you screw that plug in all the way? Cus I heard u say only give it like 5 or 6 turns? I just wanna make sure I do this right cus my transmission is already giving me problems
Would this have any bad effects in the winter time? Might be a stupid question...
Thank you for the explanation.. I have a question: Is a gear temperature of 95 to 100 considered normal? . When turning the valve parts from the inside, is this the correct procedure for me to do?
2 questions
1. Does this work for 2019 GMC transmissions?
2. Will this turn on the MIL light?
Awesome video BTW
how do you know if you have the 6L80E trans? we have an 18 sierra but its the V6 motor so I didnt know if that came with a different trans
this fit 2017 4.3 v6 been experiencing 205 206 30 min drive with AC on 80 deg summer weather
Is this possible on the Colorado zr2 Diesel with the 6 speed? Thx
Can i do that on Chevy tahoe 2018 6 speed transmission?
When you put the "plug" back in is it reassembled? Why do we take it apart to take the small spring out in the beginning?
the plug blocks the port that allows trans fluid to bypass the trans cooler. putting in a plug allows fluid to flow to the trans cooler all the time. taking out the spring and thermostat allows for maximum flow to the cooler
Had the dealer install the 70c block... still not cold enough for my liking.
Great video Aaron, I was thinking replacing my trans cooler, with 40k cooler .. looks like you have a simple fix here, is it better to just delete the thermostat instead...? or buy a bigger cooler and still delete the thermostat which I don't see them doing. I have a 5.3 Chevy Silverado I live in Cali it don't get that cold over here
What did you end up doing
@@PandasAndrew Nothing yet too busy working
Do you know the part number of these exact lines? I have the same ones but no parts store can find the same ones. Or did Gma&Gpa change these at some point to an upgraded line set ?
Yes they did change the lines to a new part number. Part numbers are in the description
Hello Aaron,as always, good video! Quick question, would you recommend doing this to a Silverado regardless of towing often or not? And what is the point of the thermostat delete? Is it to basically keep the transmission cool at all times? Thanks in advance, brother. I dig these videos.
The thermostat gets stuck and cooks your tranny before you know somethings even wrong your tranny is junk
COOLER IS BETTER.
Heat is your transmissions worse nightmare!
Thinking about doing this. My question is what about the colder months, do you find that the temps run too cold for the trans to shift right? 2014 Silverado 5.3 towing 5500 Lbs travel trailer, in the summer saw 200-208 degrees. Just wondering about the colder weather temps.
Following
Same. Does anyone have any info on this?
Following...
Coold is cold. The trans will eventually heat into the 160s
The factory cooler is in the radiator and will still heat from coolant.
Dude did that snap ring like a god if I would’ve did it that quick I’d be saying hi to Elon musk Tesla in space in other words it be fucking gone
Aaron hines can you look on my car my 08 gmc sierra transmission temperature go to 270 . Where is your shop ?
My 2018 Silverado reaches the same tempature. Help?
What shop do you work in I would like to take my truck to u
Have you noticed when checking the trans fluid level, the level is higher than before?
Fluid is always flowing regardless of temperature. Maybe that is why?
If you're having an issue with trans temp getting too hot and the thermostat is operating properly, wouldnt you think your problem is heat rejection at the trans cooler and not the tstat?
Your not understanding. The setpoint of the OEM thermo is to hot. 192F. It IS operating the way GM says too. Thats too hot, 192F for long life of a transmission.
Where are you located at in Arizona so we can get this done thx
Does this mod void the warrentee?
What if you add a true cool cooler still ?
Has anyone experienced the check engine light randomly going off don’t know if it was the pin finally shooting up or if it was something else???
Do transmission shops do this..and how much would they charge?..anyone know?
Any comment on the other method? Basically, reversing the t-stat and throwing it back together.
Doing it this way in theory allows for greater flow to the cooler. And a little better cooling ability in extreme conditions. Have done it both ways to our fleet trucks at work and both ways work fine.
Were you actually seeing verified cooler temps doing it your way or did you not really check that out. I've "heard" the other way keeps spring pressure against the cap, ensuring a better seal and minimizing any chance for a leak. Is that not an issue?
i did not conduct a test to verify which way works the best. i do not beleive there would be a leak by using the cap method
Thanks. This is on my bucket list to do before summer. Im in FL.
Will I get the same results if I only have the stock transmission cooler/ AC condenser combo, or does this only work with supplemental transmission coolers?
Yes
Hello Arron I’m here in phx Az can I pay you to do this?
Is installing a 40,000 unit gearbox cooler with the thermostat parts reversed practical or harmful?
So this needs to be done in order to add a trucool? I heard something about having to bypass the thermostat on the 2015 and newer.
It’s actually 2014 and newer. The thermostat in the block as shown in the video, redirects the trans fluid back into the transmission, bypassing the oem cooler unit. ( above the condenser) Until fluid level is above 180-190 degreees. A Tru cool is just a larger oil cooler. Not doing this mod and adding a trucool will be a waste of time, as trans temps will still be above 190
Aaron Hines awesome thanks man. I live in south Texas and have bolt ons on my 15 Silverado and the Tranny has been getting to 190 some days depending on my driving.
15 dollar mod that is worth it
i have a 2018 silverado and there is no clips for trany line and have not been able to determine if lines come differently
Wilbur Floyd the 18s have the 8 speed the block looks a little different but the insides are the same concept just did this on my 18 with the 8 speed works perfect
I have what sounds like electrical noise turning on and off around the transmission. Any guess what it could be
Wow my 2016 4.3 only gets up to 205 when towing and have made no mods.
Glad my 2015 Sierra only gets to 120. I dont know if it’s because it is a 2500 or what. The hottest I seen it was 150 and that was pulling a trailer in 104 degrees weather.
Holy cow! 120°? Must be nice...
Is this for trucks only with the ( external ) extra trans cooler? I have only one trans cooler, the one going through the radiator
No this is all 14-18 1500 trucks. You also have a cooler that is apart of the ac condensor
Aaron Hines a trans colt that is part of the A/C condenser? What do you mean? I've never seen anything like that in the 27 other vehicles I've owned in the past 23 years.
many vehicles have this deisgn. ford started in 2005, chrysler jeep in 07. here is the condensor for your truck, you can see the upper portion has 2 fitting for trans cooler lines. www.amazon.com/MYSMOT-Condenser-Escalade-Silverado-2014-2016/dp/B07RJQJK85/ref=sr_1_2_sspa?keywords=2014+condensor+silverado&qid=1562856604&replacementKeywords=condensor&s=gateway&sr=8-2-spons&vehicle=2014-47-491------------&vehicleName=2014+Chevrolet+Silverado+1500&psc=1
Wouldnt flipping the pill be just as effective?
Will this throw a check engine light?
there is kits by superiour and transco which dt make sense after watching this fix, the two kits out there smh but there there if nobody wants to tap few treads and blow out cobbwebs after tapping ,.
There’s another video out there that shows turning the thermostat plunger upside down instead of gutting it like your video shows.....does that procedure produce the same results as yours?
Lower temps ?
It's better to flip the thermostat. "Easier"
You have a link for this ?
@@rasheemkeith4210
Here’s the link:
th-cam.com/video/RmOg0rZlNLY/w-d-xo.html
This will show the flip of the thermostat plunger
Question ., in some videos recommend just to flip the thermostat., do u think this is also another way to do this remedy????
Flip it and go I flipped it and happy with the results for 2 years now but you need to now how to flip ,, first thermostat rotate and goes to bottom upside down then spring follows then close it all up and go ,, U don't wanna touch the small spring or do any other fancy stuff
Did you have to drain the fluid
Nope. The outlets for the cooler is above the level in the pan.
Mine looks a little different. It doesn’t have the keeper pins on it instead it has a solid mount over the lines. Is it the same concept still
Yes, it appears gm changed the design on the lines. I’ve installed a new line assemblies and the new lines come in that style.
All is good I did mine and I’m seeing 30-40 degrees cooler. Thanks a lot I’ve got a couple buddies that want me to do there’s now
Mine is staying around 130 is okay
How do you get the lines off of the thermostat block?
Gm now has a service bulletin on this, for $60 they have a new housing that the thermostat opens at 140 degrees instead of 190
U know part number?
Is this legit?
Yes I do those all the time on the 6l80 or anything with the same design, they have been redesigned To open at 70'.
freaking GM now im wondering if the 6L50 trans on my colorado Z71 has a thermostat as well ?
Did this turn on your engine check light??
no, the light will not turn on for this
Where do you get the 1/4 plug
Any our parts store will have one. All parts and tools in description.
th-cam.com/users/redirect?q=https%3A%2F%2Fwww.oreillyauto.com%2Fdetail%2Fb%2Fdorman-3389%2Fperformance-16477%2Fengine-16841%2Fengine---brake-plumbing-16551%2Fadapter-fittings---aluminum-16708%2Fpipe-thread-plugs-18717%2Fc3c91a6eec2c%2Fdorman-brass-pipe-plug%2F785422d%2F6024455%3Fq%3D785-422d%26pos%3D0&redir_token=n_ZwQ-6WA_rwdzafkT8YTV20KzJ8MTU1MjIzNTc0N0AxNTUyMTQ5MzQ3&v=roqDBeR69ac&event=video_description
They make a kit you can get at wit transmission parts. For that fix.
Do you have the kit number?
@@justinkeshick894 no
I've got a 2016 Silverado with the 6L80 transmission and yesterday the transmission started acting up and won't shift higher than 4th gear, plus it's reving a lot higher before shifting. I've only got 73000 miles on this truck and I've done a pan drop and filter/fluid change at 50000 miles and the fluid level is perfect. I am at a loss to what the issue is
This mod will fix your problem
Torque converter going out
Don’t understand how to get the clips off even if mine has any it definitely doesn’t have the 10mm an plate
Did this affect the overdrive?
No not at all
Could this procedure cause other problems for the vehicle?
Yep. No thermostat means oil always circulates. In the winter, the ATF will never get up to operating temperature. That's almost as bad as the oil being cooked and overheated. Cold oil is too thick. Shifts will be harsh on components, pressures will be high and flow will be reduced so you lose lubrication at high RPM, additives don't work properly at colder temps, and moisture will accumulate in the fluid because it never gets hot enough to evaporate out of the breather vent. You really need to get a sweet spot. 190*F is usually the operating temperature of a transmission. Keeping it under 200*F is what's important. When you go over 200*F the fluid suffers degradation at an accelerated rate. For every 10*F above that, the fluid life is approximately cut in half. Heat is the enemy, but you need some heat to work correctly. 175-180* is a good target.
@@mannys9130 mine runs around 130 in regular driving but sometimes when I set for a while with engine running it gets to 180.
@@mannys9130 BS.. Guess trans always failed in winter before these thermals were a thing, huh?
Will I still be able to get a temp reading on the dash after doing this?
Yes as the trans temp sensor is inside the oil pan
sigh
Is this the same procedure for a 2011 sierra with 6L80e?
They dont have that tesmostat
can you use the flip rather than drilling and plugging?
I used the flip instead of the drilling a plugging and haven’t had any issues to note of. It’s been a little over 2 years now
Is there a way to have a tune to delete the thermostat
Can I do this to my 2018 chevy silverado 4.3 v6 it can get up to 270 degrees then it shifts like shit
Holy shit that's a cooked transmission buddy
I live and drive at 6000 feet in CO can regularly have temps at 199 - 210 on long drives. I'm thinking about doing this but and worried that the cold temps in the winter may cause viscosity issues. What do you all think?
Also, how the heck would you "flip" it? the Thermostat only mounts one way. Are ya'll talking about the pin inside?
I wouldn’t worry about viscosity. Considering 2500 trucks don’t have trans thermostats. There are 2 ways to do with mod. 1st is to install a plug like shown in the video. 2nd is to flip the thermostat. I made a video that shows how to do that here. m.th-cam.com/video/RmOg0rZlNLY/w-d-xo.html
I have done dozens both ways. Flip works good but in extreme conditions the plug works best
Ah it never ceases to amaze me, the amount if good will in people. You sir have earned a subscription.
Great question, how’s that going up at those elevations, I know I70 can be a beast on a vehicle? Any improvements with the modification?
I made this modification and have no complaints
My 2017 Silverado 1500 has gone all the way to 192-203 any advice?
I wouldn't too much..I just bought a 2014 gmc sierra 1500 and as soon. as I bought it I took it to a shop and had all the fluids changed and it still runs up to 190° if you want to really drop those temps, get a mishimoto cooler installed. About $600 parts and labor.
@@Pump_up_the_jam yeah I already ordered one
Does 2020 have same tranny?.. and you just continuously used the cooler by doing this right?
Would this be the same on a 4l60e
No thermostat on it