My lZ0 trans temp would sit around 200 to 210. GM tech told me the trucks areo shutters were working against the trans cooler. His off the record advice because I live in FL was to remove the top two shutters... Truck now sits around 180 to 185 without much delay in heat up rate. It's something cheap to try that is completely reversible.
I towed from Milford Utah into Nevada thru Ely & Eureka yesterday towing my 7000k RV 150-170 up grades. PPE Pan, cooler and thermostat bypass and Triax Global synthetic ATF. Now camping at Spencer Hot Springs near Austin Nv.
Great follow up video!!! I changed my pan to PPE after your last video as well as changing fluid to Amsoil signature fuel efficient (which is listed for ULV transmissions). My temperature never runs over 192, it also shifts much smoother than before.
Dude. Whiskey Tango Foxtrot. 170 F is hot to your skin. Kinematic viscosity is tested at 100 C. Referring to AMSOIl tech specs, ATF doesn't flash until 234 C, 453 F. It's probable the OEM engineers pushed normal operating temperature for the transmission to 200 F. This likely reduces pumping losses and normalizes operation. Rejecting heat is a question of thermal power. Peak temperature is only a component of that. The extra mass adds dampening to temperature swings.
With only the PPE BYPASS installed as the only mod on the 10l80 lm2 . My question is, is the fluid level check procedure still between 167-176 degrees F. Or do I need to install the OEM valve to get the correct level. Any help thanks!
My question is when you installed the deep pan, did you remove the PPE bypass valve & go back to factory? I have the PPE trans cooler and the deep PPE transmission pan installed & my truck runs around 182°. I bought the PPE bypass valve but after rewatching your video, I’m concerned if I install it, the transmission may run too cool.
Is there a way to tune the bypass valve. Change springs or something like that to open sooner? My lm2 stayed at abot 185 on 1800 mile trip across south to The Carolina coast. Whats different between 22.5 and 23 lz0 on the trans cooler?
I drove a new 2023 silverado with the diesel engine. But after hearing all the issues I wonder what the long term durability. Is all this stuff your doing void the warranty. I have driven a 6.0 F250 and loved the sound of the turbo. Love your channel new to your channel
Can you put a link up for that gauge you have installed on the left ? Thxs. Great video. I just installed the Ppe oil filter on my 2023 love the company.
I have a 21' Lm2 and just recently started getting a low speed shudder at approx. 20 mph coming from a stop. Almost feels like a fish tugging on your bait at the end of a fishing pole.. Only at low speed under light load... Ever come across anyone else with this issue? I have a appointment this week, I'm thinking transmission related
It must be something with the differant powertrains, my 24 l5p runs at 158 all of the time and may hit 170 towing, now my 20 hd gas engine ran up in 200 for trans temp
Hey Demonworks, quick question. I have a 21 LM2, 15,000 miles on the dot and had a crank seal fail. Engine oil all over the skid plates and all around oil pan. Have you seen any crank seals fail? Also cold start, pulled oil fill cap off and saw what appears to be exhaust fumes coming out. Can that be normal with the EGR especially on a cold start or would that be considered excessive blowby? Thanks
Yea, front crank seal is common, there is also a plug in the front of the engine that could cause that as well. The fumes you are seeing is just standard blowby and nothing to worry about. Byproduct of the diesel engine design. Nothing to worry about unless it gets to a huge amount, which you would likely have a dead cylinder if that was the case.
You should always check the fluid at operating temp, but with the bypass valve that is tough to do. The fluid level rises with temperature so if you never get to high temps, it won't exceed the level that you set it at.
@@DemonWorks ok thanks. So if I fill it up cold so it dribbles out. Up to temp I should expect much more to come out when I open it back up? I’m being paranoid about getting the levels correct when putting on the new pan and doing fluid/filter. I don’t have the bypass right now.
What kind of ambient temps are you subject to? My 23' never goes over 200 unless I'm hauling close to max tow capacity. I hauled my 20-yard dump trailer 60 miles today and it sat at 199 the whole trip. I'm just curious about the external factors.
I know, right? I'm honestly starting to think I have a bad bypass valve. Maybe it's not opening all of the way and creating a restriction / low flow. I will but a new one and install it after I make my big road trip coming up. Not towing, so I will be fine. I appreciate the kind words, the goal is to help share whatever I can to help whomever I can. Good news or bad news, i will share it!
We have a brand new GMC Sierra 1500 Denali and the transmission temp is always 190. Is that OK? My Ram 3500 dually has the Aisin transmission and it doesn’t go above 163 . Occasionally it does if it’s 90 degrees and I am towing 20,000 lbs or so.
your temps are good. Honestly, 160-210 is ok. My worry is if I am at 210 and then go to climb a grade and it shoots up uncontrollably. I would rather be in the 160/170's, personally.
I am going to install the PPE pan and bypass valve in my 23 GMC 3.0. My question is how do I get all the old fluid out so I can get a full system of Amzoil?
Wow I just changed my tranny fluid and filter and I'm glad I did. Not sure I would want to go recommended intervals given what the fluid looked like. I think with these ULV fluids that towing a 7500lb travel trailer is extremely hard on the fluid and thus I will only go 50,000 km max on my changes not the 76,000 that GM recommends.
I have the option to pull some shutters out if I want and the setup you mention should net me around 150 degrees based on some prior comments. You’re on the right track, I think.
125 max with bypass valve in place, well, 126. Now with the deep pan and stock bypass valve, back to 199, but I feel a little better about the temps now because I have the additional fluid . Long road trip coming up and will see what my temps end up at with an extended drive.
Pretty painted pan increased fluid capacity by 4quarts… paired with the larger trans cooler, I think it’s a good combo, but I’ve only been doing this for 20 years.
im going to be adding a pan to my 22.5. I will also be changing the fluid to Amsoil. Im debating having the trans flushed with 20qts of Amsoil or draining the pan a few times. What do you think?
I have an rst Lm2 and it stayed at 198 constant. I live in Florida too. Once I did the ppe bypass valve delete and trans cooker I’m not at 130-160 way better temps tbh!
@tomkelly3896 If you have evidence and proof that it does nothing, I’d be interested in seeing that info. Please provide so you can help all of our educational efforts.
Oh well that’s a different comment than “does nothing”. Please post your evidence experience and results. Now you’re “saying deep pan extra fluid made no difference in temp” Made no different in temp? what about condition and longevity of fluid. What about takes longer to heat up? What about a stronger magnet on plug? If I have 4 quarts of oil and heat it up to 200° and then 8 quarts of oil and heat it up to 200°, I promise you the 8 quarts takes longer than 4 quarts to heat up to 200° All of these are factors in buying a larger pan with more fluids. Especially for those towing in in more difficult and harsh environments Refer to video time 6:33
The engineers in my industry don’t know anything about what we actually do or how we do things all they know how to do is talk a big game because they read books from school still no real experience
Original PPE DEEP PAN INSTALLATION VIDEO: ruclips.net/video/crbr-Gtk5wk/видео.html
I haven't seen a video on it yet, or I missed it. Did you end up removing the shutters?
My lZ0 trans temp would sit around 200 to 210. GM tech told me the trucks areo shutters were working against the trans cooler. His off the record advice because I live in FL was to remove the top two shutters... Truck now sits around 180 to 185 without much delay in heat up rate. It's something cheap to try that is completely reversible.
I towed from Milford Utah into Nevada thru Ely & Eureka yesterday towing my 7000k RV
150-170 up grades.
PPE Pan, cooler and thermostat bypass and Triax Global synthetic ATF. Now camping at Spencer Hot Springs near Austin Nv.
Great follow up video!!! I changed my pan to PPE after your last video as well as changing fluid to Amsoil signature fuel efficient (which is listed for ULV transmissions). My temperature never runs over 192, it also shifts much smoother than before.
Did you do a flush or just refill with Amsoil?
Dude. Whiskey Tango Foxtrot. 170 F is hot to your skin. Kinematic viscosity is tested at 100 C. Referring to AMSOIl tech specs, ATF doesn't flash until 234 C, 453 F. It's probable the OEM engineers pushed normal operating temperature for the transmission to 200 F. This likely reduces pumping losses and normalizes operation.
Rejecting heat is a question of thermal power. Peak temperature is only a component of that. The extra mass adds dampening to temperature swings.
Yes, to all of the above.
With only the PPE BYPASS installed as the only mod on the 10l80 lm2 . My question is, is the fluid level check procedure still between 167-176 degrees F. Or do I need to install the OEM valve to get the correct level. Any help thanks!
GM service manual says the fluid temp has to be 203-212F to check the level so apparently it is designed to operate at that temperature, not 170.
Negative on those temps.
My question is when you installed the deep pan, did you remove the PPE bypass valve & go back to factory? I have the PPE trans cooler and the deep PPE transmission pan installed & my truck runs around 182°. I bought the PPE bypass valve but after rewatching your video, I’m concerned if I install it, the transmission may run too cool.
Is there a way to tune the bypass valve. Change springs or something like that to open sooner? My lm2 stayed at abot 185 on 1800 mile trip across south to The Carolina coast. Whats different between 22.5 and 23 lz0 on the trans cooler?
Looking into it 😉 the 23 has a different trans flow route.
I drove a new 2023 silverado with the diesel engine. But after hearing all the issues I wonder what the long term durability. Is all this stuff your doing void the warranty. I have driven a 6.0 F250 and loved the sound of the turbo. Love your channel new to your channel
What issues are you concerned about? Maybe I can clear some things up? Thanks for being a part of the channel !
@@DemonWorks oil consumption and all the emission related issues with def and regen process.
Can you put a link up for that gauge you have installed on the left ? Thxs. Great video. I just installed the Ppe oil filter on my 2023 love the company.
here's some additional info on the gauge. i just installed the new stealth pod, not shown in this video
ruclips.net/video/J3sYcwRxlhY/видео.html
@@DemonWorks thank you
I have a 21' Lm2 and just recently started getting a low speed shudder at approx. 20 mph coming from a stop. Almost feels like a fish tugging on your bait at the end of a fishing pole.. Only at low speed under light load... Ever come across anyone else with this issue? I have a appointment this week, I'm thinking transmission related
Yes, could be a converter, valve body or other issues. Hopefully it's sorted out quickly.
It must be something with the differant powertrains, my 24 l5p runs at 158 all of the time and may hit 170 towing, now my 20 hd gas engine ran up in 200 for trans temp
2024 LZ0 GM manual requires the fluid to be 203-212fF to check fluid level so 200 is not out of the ordinary.
Hey Demonworks, quick question. I have a 21 LM2, 15,000 miles on the dot and had a crank seal fail. Engine oil all over the skid plates and all around oil pan. Have you seen any crank seals fail?
Also cold start, pulled oil fill cap off and saw what appears to be exhaust fumes coming out. Can that be normal with the EGR especially on a cold start or would that be considered excessive blowby? Thanks
Yea, front crank seal is common, there is also a plug in the front of the engine that could cause that as well.
The fumes you are seeing is just standard blowby and nothing to worry about. Byproduct of the diesel engine design. Nothing to worry about unless it gets to a huge amount, which you would likely have a dead cylinder if that was the case.
@@DemonWorks great, that gives me piece of mind hearing mine isn’t a one off. I appreciate the quick response!
Love the content, keep it up 👊🏼
Do you need to get the trans up to temp if you’re doing or have a thermostat bypass?
You should always check the fluid at operating temp, but with the bypass valve that is tough to do. The fluid level rises with temperature so if you never get to high temps, it won't exceed the level that you set it at.
@@DemonWorks ok thanks. So if I fill it up cold so it dribbles out. Up to temp I should expect much more to come out when I open it back up? I’m being paranoid about getting the levels correct when putting on the new pan and doing fluid/filter. I don’t have the bypass right now.
What kind of ambient temps are you subject to? My 23' never goes over 200 unless I'm hauling close to max tow capacity. I hauled my 20-yard dump trailer 60 miles today and it sat at 199 the whole trip. I'm just curious about the external factors.
30 degrees ambient when I was getting 210 degrees daily driving.
@@DemonWorks Dude that is wild. I appreciate all of your videos. They've been very informational and helped me make an educated decision with my truck
I know, right? I'm honestly starting to think I have a bad bypass valve. Maybe it's not opening all of the way and creating a restriction / low flow. I will but a new one and install it after I make my big road trip coming up. Not towing, so I will be fine. I appreciate the kind words, the goal is to help share whatever I can to help whomever I can. Good news or bad news, i will share it!
hey. thanks for the very detailed video.i gave the same transmission on 23 escalade diesel. and it gave a code p0747 any idea
Probably needs a valve body which is on a mega backorder, bets to get it in to the dealer asap and get on the list. Diagnosis first, of course.
We have a brand new GMC Sierra 1500 Denali and the transmission temp is always 190. Is that OK? My Ram 3500 dually has the Aisin transmission and it doesn’t go above 163 . Occasionally it does if it’s 90 degrees and I am towing 20,000 lbs or so.
your temps are good. Honestly, 160-210 is ok. My worry is if I am at 210 and then go to climb a grade and it shoots up uncontrollably. I would rather be in the 160/170's, personally.
I am going to install the PPE pan and bypass valve in my 23 GMC 3.0. My question is how do I get all the old fluid out so I can get a full system of Amzoil?
Amzoil? That isn't even close to spec.
Ok so can you help this dummy out. Do you leave the engine running for the final fluid check or shut off?
Engine must be running
@@DemonWorks Thanks and keep the videos coming!👍
Wow I just changed my tranny fluid and filter and I'm glad I did. Not sure I would want to go recommended intervals given what the fluid looked like. I think with these ULV fluids that towing a 7500lb travel trailer is extremely hard on the fluid and thus I will only go 50,000 km max on my changes not the 76,000 that GM recommends.
You keep the pickups for like a year. What’s the point of throwing money out the window. It was engineered that way for a reason.
Everything is removable for the next truck, but maybe this one stays around longer?
Sounds like some tuning to the shutters is needed…or put the stock trans cooler and the PPE bypass valve and keep the deposit trans pan?
I have the option to pull some shutters out if I want and the setup you mention should net me around 150 degrees based on some prior comments. You’re on the right track, I think.
So running the OEM pan and PPE bypass you were getting 135, and now with PPE pan and PPE bypass your back up to 199?
125 max with bypass valve in place, well, 126. Now with the deep pan and stock bypass valve, back to 199, but I feel a little better about the temps now because I have the additional fluid . Long road trip coming up and will see what my temps end up at with an extended drive.
@@DemonWorks oh I wasn't aware you put the OEM bypass back in
126 is not cold and no such thing as been too cold. If anything else you'll just be constantly at the fuel pump with those low temps.
Come winter time, the temps will be even lower though. Too low for my comfort.
I’ve been building transmission 40years these Pretty painted up pans don’t do anything It’s your Oil Cooler that is the key too overheating
Pretty painted pan increased fluid capacity by 4quarts… paired with the larger trans cooler, I think it’s a good combo, but I’ve only been doing this for 20 years.
@@DemonWorks 4 extra quarts doesn’t keep you tranny cooler get yourself a good transmission Cooler you will have no Problems
im going to be adding a pan to my 22.5. I will also be changing the fluid to Amsoil. Im debating having the trans flushed with 20qts of Amsoil or draining the pan a few times. What do you think?
I bought amsoil at first but then read about the viscosity being much higher than factory. So I stuck with factory fluid.
@@DemonWorks what is the viscosity of Dexron ULV? i cant find it.
@@JesseCunningham-y4o I’d have to find it again but my memory tells me the amsoil was double.
@@DemonWorks amsoil is 6.3 cSt @100c 30.8cSt @40c amsoilcontent.com/ams/lit/databulletins/g3110.pdf
My 2021 lm2 is 178 regular driving in 100 degree Tx heat.
Mine runs at 198 all the time even Towing and heavy 12,000+ pounds
What year?
This is bizarre! My AT4 LZ0 stays at 194 all day, every day and it’s bone stock.
I have an rst Lm2 and it stayed at 198 constant. I live in Florida too. Once I did the ppe bypass valve delete and trans cooker I’m not at 130-160 way better temps tbh!
160 to 180 is fine....200 to 220 pulling uphill is ok....deep pan extra fluid does nothing.....cooler w fan will help
K, thanks.
@tomkelly3896
If you have evidence and proof that it does nothing, I’d be interested in seeing that info. Please provide so you can help all of our educational efforts.
@@Steve-kx6hd ive tested it on my truck...dodge ram diesel....deep pan extra fluid made no diff in temp.
Oh well that’s a different comment than “does nothing”.
Please post your evidence experience and results.
Now you’re “saying deep pan extra fluid made no difference in temp”
Made no different in temp? what about condition and longevity of fluid. What about takes longer to heat up? What about a stronger magnet on plug?
If I have 4 quarts of oil and heat it up to 200° and then 8 quarts of oil and heat it up to 200°, I promise you the 8 quarts takes longer than 4 quarts to heat up to 200°
All of these are factors in buying a larger pan with more fluids. Especially for those towing in in more difficult and harsh environments
Refer to video time 6:33
👇
If it runs hot, it’s for a reason you do not know more than engineers
k
The engineers in my industry don’t know anything about what we actually do or how we do things all they know how to do is talk a big game because they read books from school still no real experience
Does nothing
But it does 😂