Good thing that leaf didn’t get in there along with the dirt when you disassembled the housing on the bed of your truck. A little dirt in the transmission won’t hurt anything and I am sure this mod will make it run better 😂
What are the normal temps you’ve been seeing with the revised bypass from GM? My 2018 1500 w 62k miles TC went out and dealership replaced TC along w valve bodies, gaskets, seals, etc through warranty. Also identified no scarring to pump. Just been paranoid about where my readings should be at in which conditions. Thank you!
Thanks for the videos first off. I bought a 2015 Silverado WT2 a few years back and never cared for how hot the transmission got. Never had any issues (it's at 140k miles now). That being said, I gave that truck to my dad. And I just bought a 2017 LT with 57k on it. I am going to do this upgrade for my new truck just to be safe. Also, I am going to do this to my dad's truck as well. I will be dropping the pan on the transmission on my 2017 soon as well. As GM recommends I will not be flushing the fluid. But I am changing it. I know the say to do it at like 90k or so but I've always been told it's not a bad idea to change the pan fluid every 50k. Can't hurt to do some preventative maintenance. I've had a few Silverados in the last 20yrs or so and they've always treated me right. That being said, I believe a lot of that has to do with routine maintenance. So again, thanks for all the videos. You've helped me do all this stuff myself and that's saved me a ton of money. Keep it up man.
This video I can’t see any of those links on it and I would like you to do a video how to take out the gasket because I have a 2018 Silverado 1500 Texas edition crew crap 53 LT 6L 80 E transmission
Replaced the thermostat but now I have a small dripping leak when it’s running, it’s on the lower line if your looking at the thermostat what can I do??
Hi Dustin, really enjoy your video and information. I have a 2014 Silverado 1500 and would like to change up the trans thermostat. Apparently the thermostat now has an updated part number 85585333. Are you aware of the differences between the updated version compared to the 86774933 that you used? I can not find any information on what change has been made.
A little tip for those rhat are scrolling through the comments. If your clip is corroded, you can use a wrench on the lines and back them out. There’s a reason why they have a head on them on top of the clips
You’re right, I have since correct. Here is the info you need: Part number is 86774933 I picked mine up from here: www.gmpartsstore.com/oem-parts/gm-f-s-valve-86774933
My 2018 chevy silverado 2x4 transmission started overheating 235° and above. Dealer says it needs a thermal bypass valve not sure if this is related but I thought id put some Info here to help someone else not have to get a full rebuild which I was sold by a transmission shop not the dealer 4500$ I get the truck back after the transmission rebuild and it was still overheating so I was pretty pissed and brought to the dealer so I could get a true diagnosis. Transmission shop was trying to sell me a transmission cooler 285$ which sounded rediculas so be careful and take your truck to a dealer unless u know transmissions or these newer chevys. Anyways thanks for the video hope this helps
I did this update and my temps stayed level at around 140-150°F, however, I did have an issue with fluid leaking. I torqued the bolts to the necessary specs too, did anyone else experience this issue?
is this trans issue & thermostat update the same for the v8 and v6 engines? we just got a 2018 sierra but its the v6. didnt know if the trans is different
It's important that the half moon shape ends up in the same "clocked position" as when you took it out. If you notice the top portion is not open all the way around. The opening must line up with the cooler openings on the block, otherwise cooler flow will be restricted.
I think your right. I didn’t pay attention to it put the new guts in. Trans temp is still only 181 down from 190-200 that half moon probably needs adjustment.
It doesn't matter. The openings for the cooler lines and the openings for flow in/out the transmission are about 90 degrees apart - you can't be lined up to both at the same time. More importantly, the openings on the top portion are at a smaller diameter so the oil has full 360 degree access to the ports in the block which are at the diameter of the O-ring. You can confirm this by watching multiple videos showing this cooler bypass and none of them are clocked the same. If a certain orientation was needed the part would have been poka-yoked.
I flipped my pill a while back. Driving in 109° weather in Texas it still gets to 190+. I peaked at 198. Might try something else. When it’s not so hot it stays around 160-170
I know the 2014 Silverado has a 6l80 Manual Valve Body Transmission. I own one. I believe the 2015 is the same way.. 2016 and up went to back to the electric. Unless they had both the 6l80 and the 6l80E options for the 2014-15.
Hey Logan, the GM part has a better temp range than the STL 010 (apparently). From what I've learned the STL uses viscosity to regulate the bypass and may not be the best solution for the colder environments (like us in Pemby) lol
@stugillis WRONG. The STL 010 kit is literally SUPERIOR to the GM's updated thermostat. In cold climates the STL 010 will keep the tranny cooler loop CLOSED and the transmission fluid will HEAT UP quicker as an added positive effect as well. Know the facts before you post bull$hit. Maybe actually watch the Superior Solutions videos and you'll understand.
How’s it going, any significant difference in transmission temperature when swapping parts out? I have a 2014 and when 4x4 ing it runs high when the truck crawls up the mountain.
Anyone able to message me the parts needed to do this? Looking at getting a 2016 GMC Sierra 5.3L and want to prevent any trans issues. Seen talk of a superior part option as well ? Any info is appreciated
Why did you go with this instead of the superior sure cool? I’m debating between the two and not sure which one I want to do. I’m curious on your reasoning.
@@tlwayman im getthing the bypass from gm instead,. my reasoning is i still have powertrain warranty on the truck , i dont want to risk losing it for an aftermarket part
I have a 2018 Silverado LD LT (2018 body style), would this work for my truck? Or do I need it? Trans temp is usually like 190 or so if I’m not mistaken
It should work. I have a 2018 as well and just ordered the parts. I also run around mid 180s to 190s too. Heat is the mortal enemy of hydraulic fluids (aside from being dirty) so you're really helping your transmission last longer by keeping it from getting into that high a range.
I think it depend where you live. If you live down south and is hot and warm all year round then I think is find just flipping it. I live in the North eastern which is going to have cold winter and I'm worried that it might run too cold on the trans fluid during winter.
It won't run cooler just open sooner. The temperature is dependent on the capacity of the transmission cooler. It would be the same as putting a cooler thermostat in the engine. If the radiator cannot reject the heat it will just open sooner but still overheat.
Is this barking up the wrong tree? The transmission in my car gets cooling by running the transmission fluid through the cars engine radiator (about 200 degrees is normal)
I have 2014 Silverado V8 the work truck edition an I’ve been having problems with lights flickering an power steering when ever I’m in park or stopped an I turn mu wheel the lights flicker an my steering wheel jerks an also whenever I put my windows down the lights flicker do you have any advice Id really appreciate it
@@REB559 . Common issue. I had the same issue “. 2017 Silverado 1500 Ltz 5.3. Look up “service stabilitrack Chevy” most likely a wiring issue with the ground. Easy fix took me 30 minutes. Mine was the ground issue under the passenger side door. Had undercoating between the frame and wire.
I agree that kit is better than the GM parts replacement kit and it does the same thing by allowing the trans to open and shut instead of staying open and the superior kit to me just looks more well built at least to me. I also like the price instead of buying all that crap you don't need, 👍
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Awesome video! I replaced my Sonoma's water pump and fan clutch by watching videos like this. Keep it up!
Good to see that you are doing videos again!
Great video, Dustin. Thanks for sharing!
97 inlb on the bolt. Great video as always!
Good idea just changing out the guts. Thanks for posting.
nice one Dustin. good videos
Looks like the little green dot on the new internals show the position that it should be installed relative to the housing body.
Man thanks for this had no idea this was a thing I use mine hard for towing
Glad to help, I would definitely recommend if towing
Good thing that leaf didn’t get in there along with the dirt when you disassembled the housing on the bed of your truck. A little dirt in the transmission won’t hurt anything and I am sure this mod will make it run better 😂
Have you seen a temperature difference compared to how you had it with the pill flipped?
I have a 2014 gmc Sierra v6.
Getting real hot in the tranny. Just ordered this hopefully it fits
WIT Transmission parts store has a kit for them around $50 dollars.
What are the normal temps you’ve been seeing with the revised bypass from GM? My 2018 1500 w 62k miles TC went out and dealership replaced TC along w valve bodies, gaskets, seals, etc through warranty. Also identified no scarring to pump. Just been paranoid about where my readings should be at in which conditions. Thank you!
Thanks for the videos first off. I bought a 2015 Silverado WT2 a few years back and never cared for how hot the transmission got. Never had any issues (it's at 140k miles now). That being said, I gave that truck to my dad. And I just bought a 2017 LT with 57k on it. I am going to do this upgrade for my new truck just to be safe. Also, I am going to do this to my dad's truck as well. I will be dropping the pan on the transmission on my 2017 soon as well. As GM recommends I will not be flushing the fluid. But I am changing it. I know the say to do it at like 90k or so but I've always been told it's not a bad idea to change the pan fluid every 50k. Can't hurt to do some preventative maintenance. I've had a few Silverados in the last 20yrs or so and they've always treated me right. That being said, I believe a lot of that has to do with routine maintenance. So again, thanks for all the videos. You've helped me do all this stuff myself and that's saved me a ton of money. Keep it up man.
Thanks for the information 🤙
Did you need any of the extra seals that are listed in the TSB?
Can this be done on 2015 6.2l gm truck? The part number always comes up non compatible with the 6.2l. Wondering if this is only for 5.3l.
This video I can’t see any of those links on it and I would like you to do a video how to take out the gasket because I have a 2018 Silverado 1500 Texas edition crew crap 53 LT 6L 80 E transmission
Did you test it out and record it 👌
2016 doesn't thread off they are held in with a plate and have O rings on the lines. Just did mine
Would you still recommend installing a cooler after this?
Replaced the thermostat but now I have a small dripping leak when it’s running, it’s on the lower line if your looking at the thermostat what can I do??
Would a thick rubber clip possibly help the leaking
Hi Dustin, really enjoy your video and information. I have a 2014 Silverado 1500 and would like to change up the trans thermostat. Apparently the thermostat now has an updated part number 85585333. Are you aware of the differences between the updated version compared to the 86774933 that you used? I can not find any information on what change has been made.
I’m sorry maybe I looked past it but I’m not seeing a link for the part, can you post again?
Why did u end up swinging the parts instead of having it bypassed?
A little tip for those rhat are scrolling through the comments. If your clip is corroded, you can use a wrench on the lines and back them out. There’s a reason why they have a head on them on top of the clips
Can you please send me a link to buy my thermostat for my 2015 silverado high country
In another video you just flipped the bill , was that not working properly or was there any cons?
you said. "I'll leave the links down below", but I don't see any links in your description. Great video.
You’re right, I have since correct. Here is the info you need:
Part number is 86774933
I picked mine up from here: www.gmpartsstore.com/oem-parts/gm-f-s-valve-86774933
I’m confused the vid before u just flipped the pill now ur saying that’s wrong and u just got an updated thermostat assembled correctly?
Is there anyway, I can only buy the Transmission Thermostat and replace it?
much appreciated!
That gasket is the same, it goes between the thermostat housing and the transmission.
my temp is 190-195 most of the time what is the normal temp suppose to read.
What are symptoms of a failed one? Have a 2015 Yukon that doesn't drive when fluid is warmed up. It will drive cold though. No trans codes
Found out the issue?
My 2018 chevy silverado 2x4 transmission started overheating 235° and above. Dealer says it needs a thermal bypass valve not sure if this is related but I thought id put some Info here to help someone else not have to get a full rebuild which I was sold by a transmission shop not the dealer 4500$ I get the truck back after the transmission rebuild and it was still overheating so I was pretty pissed and brought to the dealer so I could get a true diagnosis. Transmission shop was trying to sell me a transmission cooler 285$ which sounded rediculas so be careful and take your truck to a dealer unless u know transmissions or these newer chevys.
Anyways thanks for the video hope this helps
I did this update and my temps stayed level at around 140-150°F, however, I did have an issue with fluid leaking. I torqued the bolts to the necessary specs too, did anyone else experience this issue?
is this trans issue & thermostat update the same for the v8 and v6 engines? we just got a 2018 sierra but its the v6. didnt know if the trans is different
??
can i get the link to this stuff Please and thank you !
Superior Solutions sells a kit STL010 that provides for full cooler flow and a bypass should the cooler get plugged.
Installed it today, my '15 had the newer style lines with a retainer plate.
Temps went from ~189F to ~147F, a good 40 degree drop.
@@gcrauwels941I have a 2017 HighCountry would that work for mine? And if so do you have a link? Thanks
Any updates on the performance of your truck? And not flipping the pill I’m talking about doing this the correct way.
This is a must to save your transmission. Also flush every 45,000 miles.
ya my quick release lines leaked twice already. i have a 2014 silverado and im switching to the new thermostat.
Is it a direct fit On that year model?
It's important that the half moon shape ends up in the same "clocked position" as when you took it out. If you notice the top portion is not open all the way around. The opening must line up with the cooler openings on the block, otherwise cooler flow will be restricted.
Good to know. I'm doing this soon.
Timestamp ???
are the not different between the two thermostat housing's in this video?
I think your right. I didn’t pay attention to it put the new guts in. Trans temp is still only 181 down from 190-200 that half moon probably needs adjustment.
It doesn't matter. The openings for the cooler lines and the openings for flow in/out the transmission are about 90 degrees apart - you can't be lined up to both at the same time. More importantly, the openings on the top portion are at a smaller diameter so the oil has full 360 degree access to the ports in the block which are at the diameter of the O-ring. You can confirm this by watching multiple videos showing this cooler bypass and none of them are clocked the same. If a certain orientation was needed the part would have been poka-yoked.
How did flipping the pill work why did you chang it again ?
I flipped my pill a while back. Driving in 109° weather in Texas it still gets to 190+. I peaked at 198. Might try something else. When it’s not so hot it stays around 160-170
I know the 2014 Silverado has a 6l80 Manual Valve Body Transmission. I own one. I believe the 2015 is the same way.. 2016 and up went to back to the electric. Unless they had both the 6l80 and the 6l80E options for the 2014-15.
StLO10 work with updated version
Now way I'm padding GMs pockets more. I went aftermarket.
Where's the link?
I have to ask... Why did you go this route instead of the SUPERIOR SOLUTIONS sure cool system upgrade STL010??
Hey Logan, the GM part has a better temp range than the STL 010 (apparently). From what I've learned the STL uses viscosity to regulate the bypass and may not be the best solution for the colder environments (like us in Pemby) lol
@stugillis WRONG. The STL 010 kit is literally SUPERIOR to the GM's updated thermostat. In cold climates the STL 010 will keep the tranny cooler loop CLOSED and the transmission fluid will HEAT UP quicker as an added positive effect as well. Know the facts before you post bull$hit.
Maybe actually watch the Superior Solutions videos and you'll understand.
I have a 2014 Silverado with 110k miles it runs at 205 and it will get up to 234 I’ll see if this helps
How’s it going, any significant difference in transmission temperature when swapping parts out?
I have a 2014 and when 4x4 ing it runs high when the truck crawls up the mountain.
Anyone able to message me the parts needed to do this? Looking at getting a 2016 GMC Sierra 5.3L and want to prevent any trans issues. Seen talk of a superior part option as well ? Any info is appreciated
Part number is 86774933
I picked mine up from here: www.gmpartsstore.com/oem-parts/gm-f-s-valve-86774933
hey Justin, where is the link with the parts numbers please
Give a Chevy dealer your Vin #
You will get correct part, unlike this guy
Why did you go with this instead of the superior sure cool? I’m debating between the two and not sure which one I want to do. I’m curious on your reasoning.
I guess he isn’t going to reply
Nope, he did not reply
I guess I’ll never know his reasoning
Just got mines stl010 from global transmission. Should be good
@@tlwayman im getthing the bypass from gm instead,. my reasoning is i still have powertrain warranty on the truck , i dont want to risk losing it for an aftermarket part
I have a 2018 Silverado LD LT (2018 body style), would this work for my truck? Or do I need it? Trans temp is usually like 190 or so if I’m not mistaken
It should work. I have a 2018 as well and just ordered the parts. I also run around mid 180s to 190s too. Heat is the mortal enemy of hydraulic fluids (aside from being dirty) so you're really helping your transmission last longer by keeping it from getting into that high a range.
@@TheLouisianan I installed the Superior bypass kit, and in the city it stays around 150-160 and on the highway it stays around 140-150
@@logankarr3015 would you kindly forward the link to your product? I’m trying to get these things done before this car blows up 😅
How do you get the temp reading?
Is it in the display somewhere?
Mine: 2017 sierra slt 5.3 z71
@@easyhangit604 it’s on the information screen on the dash, just navigate to it in the “info” menu
my truck is leaking everywhere after the pill flip any help on ideas would be appreciated
Make sure the cooler lines still have the o rings on them. They tend to fall off when doing this.
o-rings, did you use new ones or reuse... that could be your problem.
Meaning your trans was overheating.
Enjoy your u tube.
What was wrong with the just flipping the parts over like you did in the first video? Did it cause a problem with the transmission?
I think it depend where you live. If you live down south and is hot and warm all year round then I think is find just flipping it. I live in the North eastern which is going to have cold winter and I'm worried that it might run too cold on the trans fluid during winter.
@@tonycheung267 but the radiator acts as a warmer also
I flipped my pill and still get 190+ in 109° Texas heat
It won't run cooler just open sooner. The temperature is dependent on the capacity of the transmission cooler. It would be the same as putting a cooler thermostat in the engine. If the radiator cannot reject the heat it will just open sooner but still overheat.
The old one didn’t even attempt to open until it was already overheated. 194° vs 158°.
Is this barking up the wrong tree?
The transmission in my car gets cooling by running the transmission fluid through the cars engine radiator (about 200 degrees is normal)
Way to hot GERINTEED
@@williepelzer384 thats normal temp. My silverado has run at about 195 since day one and the truck is 9 years old now.
Hello I was wondering did you ever have anymore problems with the Lights flickering an power steering ?
I have 2014 Silverado V8 the work truck edition an I’ve been having problems with lights flickering an power steering when ever I’m in park or stopped an I turn mu wheel the lights flicker an my steering wheel jerks an also whenever I put my windows down the lights flicker do you have any advice Id really appreciate it
@@REB559 . Common issue. I had the same issue “. 2017 Silverado 1500 Ltz 5.3. Look up “service stabilitrack Chevy” most likely a wiring issue with the ground. Easy fix took me 30 minutes. Mine was the ground issue under the passenger side door. Had undercoating between the frame and wire.
Do not but the gm stock part buy the superior brand one
I agree that kit is better than the GM parts replacement kit and it does the same thing by allowing the trans to open and shut instead of staying open and the superior kit to me just looks more well built at least to me. I also like the price instead of buying all that crap you don't need, 👍
Why is that?
i fear not using the gm part will void what warranty i have left
@@Deathshealer it's a GM upgrade
I have a 2017 High Country. Will that work for mine? And would you happen to have the part number (s) I need? Thanks
Nothin like working on transmission parts in the bed of a filthy truck bed., 🙄
Save your money, just flip the pill