We reached out to Toyota on this issue and they said in separate conversations and interviews, the truck’s transmission was operating as it should. 10% OFF $75. All auxiliary transmission oil cooler wholesalers & auxiliary transmission oil cooler manufacturers come from members. This is pretty odd considering all other half-ton trucks come with a transmission oil cooler when selecting the tow package. He has had the truck checked out by the dealer and has since ordered a new ATF cooler to install on his truck like another owner. It’s made by Exxon and they verified it’s NOT synthetic. An auxiliary transmission cooler is an add on automatic transmission cooler which adds extra cooling capacity to your car or truck transmission. SELECT STORE. An auxiliary cooler will keep your transmission running right where it needs to be, ensuring you don’t overheat your transmission. Specifically, Ram’s Trevor Dorchies, product communications and media relations for Ram Truck, said you don’t need any sort of towing package, it is standard equipment much the same as Chevy’s Mike Ofiara told us. Well, those are trade secrets long used by all automakers to ensure consumers use their products. Large Selection of Diesel Performance Parts. For years, an auxiliary transmission cooler was thought to be a common-sense, standard piece of equipment on trucks designed to tow. GM Genuine Parts 15779543 Automatic Transmission Auxiliary Fluid Cooler Inlet Line, GM Genuine Parts 15102153 Automatic Transmission Auxiliary Fluid Cooler, GM Genuine Parts 15821239 Automatic Transmission Auxiliary Fluid Cooler, ACDelco 22819356 GM Original Equipment Automatic Transmission Auxiliary Fluid Cooler, A-Team Performance Universal Type 120021 8 Inches High Performance 1700 CFM 12 Volts Electric Radiator Cooling Fan with 10-piece Reversible Flat 9" x 9" x 2-1/2" Blades, ACDelco 20835127 GM Original Equipment Automatic Transmission Fluid Auxiliary Cooler Inlet Line, GM Genuine Parts 84153644 Automatic Transmission Auxiliary Fluid Cooler, GM Genuine Parts 84173163 Automatic Transmission Auxiliary Fluid Cooler, GM Genuine Parts 15124483 Automatic Transmission Auxiliary Fluid Cooler, 30 Row 10AN-AN10 Universal Aluminum Engine Transmis​sion Oil Cooler Kit Oil Filter Relocation Kit Black, Tru-Cool - Max LPD47391 47391 Low Pressure Drop Transmission Oil Cooler, Upgraded CVT Transmission Oil Cooler Compatible with Nissan 2007-2012 Sentra / 2011-2014 Juke / 2008-2018 Rogue / 2012-2018 Versa Sedan 21606-1XF0A 4 Ports by 3mirrors, BD Diesel 1300601-DS Xtrude Double Stacked Auxiliary Transmission Cooler Cooler Assembly Only Xtrude Double Stacked Auxiliary Transmission Cooler, Hayden Automotive 678 Rapid-Cool Plate and Fin Transmission Cooler, JEGS High Performance Transmission Cooler | 30,000 GVW | Fan Can Be Used As A Pusher Or Puller | 11 inches x 13.75 inches x 3.5 inches | 3/8 “ Push-On Connections, Mishimoto MMTC-F2D-03SL Transmission Cooler Compatible With Ford 6.0 Powerstroke 2003-2007 Silver, American Volt Transmission Oil Cooler Radiator Electric Fan In-Line Coolant Hose Thermostat Switch Kit Heavy Duty Car Truck Engine Towing (190'F On - 175'F Off, 10AN), Titan Coolers - Designed for High Performance. There is some merit to this statement. Post Reply. Curious case of missing transmission oil cooler on 2019-2020 Toyota Tundra, Jeep Gladiator Farout: Concept brings diesel flavor to overlanding, A guide to selecting the best tires for SUVS, 2021 Jeep Grand Cherokee L: Next-gen Grand Cherokee debuts with three rows. Transmission cooler kits usually come with all the necessary tools, hardware and directions to install it yourself. 1-24 of 123 Results. So you simply swap the spacer plate with the thermostat and connect it to your new lines running to the trans cooler. Delivery: Jan 12-13. Discussion in '1st Gen. Tacomas (1995-2004)' started by Hawaiian05, Dec 12, 2013. Universal auxiliary transmission coolers are designed to mount either inline with your existing transmission cooling system or alone depending on size. About a month later I saw a YouTube video that described the transmission cooler as being “integrated” with the engine radiator. 10% OFF $75. BRAND. Response must be less that 100,000 characters. Auxiliary Transmission Cooler Description – Recommended for Sprinters that carry a full load, trailer or climbs mountains! Price: $415.00. Driving around empty is one thing, but what happens to the transmission when you are towing a heavy load? Standard Delivery. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Yes. Transmission Cooler (19) This is a test. We have received many different responses with different brands of trucks, engines from across the country. While, we can’t narrow down exactly what that fluid is or if they have changed it like they claim to a synthetic oil, we can compare it to the leading alternative transmission synthetic fluid called the Valvoline Maxlife. When pulling trailers or under racing conditions we recommend installing a stacked plate design auxiliary transmission cooler because they are extremely efficient which in turn will help extend the life of your transmission. So, what is the WS, and who makes it? Another 2007 Toyota Tundra Breaks the Million Mile Mark. premium fuel, Most Dependable Pickups of Last 15 Years – J.D. Naturally, this got our curiosity up on which other trucks offered a transmission oil cooler and if it was part of a towing package. However, a relatively unnoticed change, the removal of the transmission oil cooler, has caused a huge uproar, and irate owners are even talking about a class-action lawsuit. In their view, a transmission shouldn’t be running that hot. By removing the transmission oil cooler, they could still be within an acceptable range and, according to Toyota, they would not damage the transmission. Better MPGs? The biggest question (and frustration) for many owners is why even make the change at all? Towing increases the load and puts additional strain on a vehicle’s transmission, thereby increasing the heat that is generated and the cooling levels required to ensure the transmission doesn’t burn out. I’m a new Toyota TUdnra TRD Pro 2020 owner and made sure my trucks sticker had the towing package with the expectation that the truck would include a trans cooler among other things and match part of part what as per what was labelled. Dec 12, 2013 at 9:25 AM #1 #1. Do I Need To Install A Transmission Cooler? When a auxiliary transmission oil cooler is installed, the heated transmission oil flows from the transmission to the original equipment oil cooler inside the radiator – then to the auxiliary oil cooler and then back to … The biggest benefit to installing an auxiliary transmission oil cooler is that it will help do what its name indicates, which is cool your transmission fluid. Items per Page. When I purchased my 2019 Tundra Platinum, the tow package said “eng/trans coolers”. An elevated transmission temperature is a symptom of a bigger problem. You are giving out alot of bad and miss information in the youtube video. Next-gen 2022 Toyota Tundra could get new diesel engine – No def? While he hasn’t used his phone app with the OBD2 sensors to track temperatures when towing, he has dealt with a persistent issue of a high transmission temperature warning on the dash. The conventional wisdom for years has been it should be less than 200 degrees when empty and below 225 degrees when towing (between 175 and 225). Transmission Oil Cooler. With the diesel, if you're going to keep the stock cooler and add an auxiliary cooler, why wouldn't you put the auxiliary cooler before the stock cooler? Auxiliary Transmission Cooler Heat is the enemy of transmission fluid, therefore the enemy of the transmission. Home Delivery. How much heat? Use Code: DIYSAVE10 Online Ship-to-Home Orders Only. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only. The ATS 3109002000 Auxiliary Transmission Cooler Kit is a remote mount thermostatically controlled transmission cooler for your Car, Truck or SUV. Newer synthetic fluids don’t seem to be the issue — the parts are the real concern. Kermit's Transmissions installs auxiliary coolers. GM, Ford and Dodge Coolers. Pickup Truck + SUV Talk covers the latest in new pickups and SUVs while also keeping an eye on the unique and classic pickup market. Basically, engineering was out testing the truck, as all automakers do, and discovered they simply didn’t need the cooler to hit their operating range targets. ... ATS Diesel Auxiliary Transmission Cooler with 3/8" Lines (0) Reviews: Write first review. Dorman Transmission Oil Cooler 918-244 $ … In our view, the owner, mentioned above, either has a sensor issue the dealer can’t locate or something else is amiss. Ws stands for world standard. Also WS is NOT a synthetic fluid. Are auxiliary transmission oil coolers a thing of the past? Your temps are nothing to worry about-Transmission temp to hot? The transmission cooler is a flow-through device and operates anytime the engine is running. Top subscription boxes – right to your door, © 1996-2020, Amazon.com, Inc. or its affiliates. Most important is to find and correct the reasons causing the overheat. Check out 100 Auxiliary Transmission Assy Parts for sale. transmission diagnosis and repai… It will decrease damage during intense situations, which in turn will lengthen the life of your transmission. Automotive Journalist Tim Esterdahl has been a lover of trucks and SUVs for years. Over the course of the last few months, we have had several owners come forward with stories of their trucks running higher transmission temperatures than they would like. ACDelco (1) Compressor Works (19) Dorman (96) URO (7) This is a test. Save: 5%. Tubing Incl. Our understanding is towing a truck can add around 35 degrees of increased temperature for the transmission. On orders over $99(under 100 lbs) in all 48 states. And we agree, it definitely seems like Toyota owners have been misled thanks to the sticker. There are a few common transmission fluid cooler to choose from, each of which have their own pros and cost. It is an interesting watch and you can see his temperatures dropping 10-20 degrees after installing the cooler. Toyota Tacoma Still Reliable? For years, Toyota “WS” is/was the transmission fluid used in their vehicles. Toyota just swapped out the trans thermostat with a pass thru spacer plate to the trans heater. It is worth noting this decreasing quality is much slower than conventional fluid according to Valvoline. Qty: Add to Cart See Details . Call the following number for the part. With one of the most highly thought of powertrains for reliability, this change seems backwards. Apr 28 2015, 4:49am. If the transmission cooler is a custom fit why do I need to measure? Auxiliary transmission cooler Jun 06 2019, 4:47am Swapped mine, takes me towing my boat too damn fast up grades to really get it hot even then is shaves the temps back down in no time Misleading! Auxiliary Transmission Cooler Kit, 3/8 Inch Lines.Includes:- High Flowing Oil Cooler- Thermostatically Controlled Electric Fan Attached- All Lines and Fittings Included for 3/8 Inch Transmission Cooler Lines- Thermostat Kit- Mounting Bracket Jack up the vehicle at the appropriate jacking points. If properly installed, an auxiliary transmission cooler offers great benefits. ? Toyota says the higher temps are just a byproduct of new synthetic automatic transmission fluid allowing them to run hotter than conventional oil. Sale: $394.25. Many things can cause an automatic transmissions to overheat. An auxiliary transmission cooler will not increase the towing or hauling capacity of a vehicle. One in particular wondered: Why Toyota would eliminate something that is part of every towing package offered by other manufacturers? HEAT will shorten the life of your transmission dramatically. This means, if the truck is already running at 220 degrees, it should top out at less than 260 degrees. Avoid damaging your transmission with a transmission cooler, which helps to cool the ATF. $18.13 $ 18. Plus, in the case, of the owner with the overheating transmission message, it is likely a sensor issue causing the error code to be thrown (the owner tells us, he has had his truck checked out by the dealer and the dealer can’t find anything wrong). Toyota says it can. Power Dependability, Careful what you buy! I'm curious if I should completely eliminate the radiator cooler from the system and simply just run the auxiliary cooler as a stand alone cooler? Thanks! The fluid will flow from the transmission to the OEM cooler and then to the aftermarket cooler; and finally, the cooled fluid flows back to the transmission in a continuous loop. Ford said their new 2021 Ford F-150 “2.7L, 3.3L, 5.0L, 3.5L FHEV, and 3.5L all use the same trans mounted one cooler across the board. Check here for special coupons and promotions. We help you find the heavy duty truck parts that you need. Does the Chevy 3.0L Duramax diesel have a design flaw? Starting in the 2019 model year and extending into 2020, Toyota Tundra and Sequoia vehicles saw the removal of the transmission oil cooler. This auxiliary cooler features a high flow oil cooler with a reversible fan that can be used to push or pull air. With internal problems, simply adding an auxiliary cooler will not help and may hurt. Finally, the big issue for a lot of owners is the feeling of being misled. Is this the end of the Toyota Land Cruiser? The chart above is based on old conventional oil and as such is outdated in their view. Transmission coolers have one job – to keep the automatic transmission fluid cool. Read on to learn more about the top transmission coolers on the market and tips for purchasing one. Anything higher than these numbers can cause the fluid to break down and seals as well as parts to fail. I looked in the grill and saw the power steering cooler which I mistook for the transmission cooler. Part # 15950. auxiliary transmission oil cooler. What do you think? While 260 degrees seems like it is quite high for a lot of owners,  Toyota says this is within the acceptable range for the truck. Driving Conditions - If you live somewhere that gets excessively hot or is fairly hilly or mountainous, an auxiliary transmission cooler is a good option for you. 9. Why are the temps higher in the first place? This scan of the sticker shows the transmission oil cooler on it under the tow package. I’m super pissed to find it doesn’t have the aforementioned trans cooler and am now in the process of collecting the 2017 model hard lines, trans thermostat, Hayden or B&M trans cooler. In his spare time, he is often found tinkering on his '62 C10 pickup, playing golf, going hunting and hanging out with his wife and kids in Nebraska. One of the hallmarks of the Toyota Tundra, for its fans and consumers, has been reliability especially with the stories of the million mile trucks. 2. This allows the fluids to cycle through the heat exchanger and cool down quickly before returning to the transmission. Auxiliary Transmission Cooler. 3.0L has a unique trans cooler design that is common with the last gen 3.0L,” according to Dawn McKenzie, Ford Truck communications manager. You have entered an incorrect email address! Order Transmission Coolers & Accessories for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Finally, Valvoline also says if your transmission runs hotter than 200 degrees, they recommend having it checked out. So the sticker was misleading, especially when page 604 of the Owners Manual describes transmission fluid capacities “with towing package” and “without towing package”. Auxiliary Coolers, Pan Coolers, Fan Coolers, Derale Coolers, Hayden Coolers, True-Cool Coolers. The new or the old? Showing 1–32 of 48 results. Nissan’s Steve Parrett, regional communications manager, said it is standard equipment on the Titan. All automatic transmission equipped vehicles come with a transmission cooler built into the radiator. Ford wins, GM surprises, others falter? Auxiliary Transmission Cooler. Perhaps the best upgrade one can do for their automatic transmission. Free In-Store or Curbside Pick Up. Derale Black -8 AN Atomic Cool Remote Fan Fluid Cooler $ 184. Need Auxiliary Transmission Assy Parts? 13. Is this a big issue or a small issue many people are making into a big issue? On all automatic transmissions, the transmission oil flows from the transmission through the original equipment cooler, (which is located inside the radiator), and then back to the transmission. The ideal operating temperature of an automatic transmission is 180 ℉ or less. Can those parts withstand the heat? For years, an auxiliary transmission cooler was thought to be a common-sense, standard piece of equipment on trucks designed to tow. $783.92 $ 783. Your recently viewed items and featured recommendations, Select the department you want to search in, All customers get FREE Shipping on orders over $25 shipped by Amazon, Automotive Replacement Engine Cooler Accessories, Automotive Replacement Air Conditioning Products, Automotive Replacement Transmission Cooling Lines, Automotive Performance Engine Cooling & Climate Control, Automotive Performance Engine Coolers & Accessories, Cool down oil improves transmission performance, EVIL ENERGY 6 Pass Tube and Fin Transmission Cooler Universal 5/16" Oil Cooler Kit Aluminium Black, EVIL ENERGY 8 Pass Tube and Fin Transmission Cooler Universal 5/16" Oil Cooler Kit Aluminium Black, EVIL ENERGY 4 Pass Tube and Fin Transmission Cooler Universal 5/16" Oil Cooler Kit Aluminium Black, Enter a new vehicle to add it to Your Garage and filter the results below, 15 Row 10AN Universal Engine Transmission Aluminum Oil Cooler With 7" Electric Fan Kit Black, Hayden Automotive 516 High Performance Transmission Cooler, ACDelco 15809053 GM Original Equipment Automatic Transmission Auxiliary Fluid Cooler Upper Line, FREE Shipping on orders over $25 shipped by Amazon, Four Seasons 53001 Ultra-Cool Transmission Oil Cooler. BD Diesel 1030606-DS-12 Xtrude Double Stacked Auxiliary Transmission Cooler Kit 1/2 in. It’s like a smaller radiator, cooling the ATF before it returns into the transmission. Get it as soon as Mon, Jan 11. He believes this happens when the transmission surpasses 304 degrees. However, if your vehicle tows heavy loads , you live in a warm climate, or often drive in stop-and-start traffic, you may require an auxiliary transmission cooler. This is similar to an infection in our body causing a rise in our temperature. These trucks recommend (or require!) Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. Which version did they verify of WS? Engine/Transmission Issues Plague Reliability Scores. He has covered the industry since 2011 and has pieces in many national magazines and newspapers. For the same reason, the addition of an auxiliary transmission fluid cooler isn’t just necessary for those who tow trailers anymore. Condition: New. G8 GT Auxiliary Transmission Cooler Installation 1. It was over a year later when I saw the YouTube video with the Toyota engineer describing the transmission cooler was removed to reduce mass and drag. The real controversy is really about how long the transmission will hold up to the additional heat. This external cooler is designed to reduce the heat in the transmission, which can lead to catastrophic part failures. That's the principle behind the revolutionary new TRU-COOL SR series of self regulating transmission oil coolers. PATC Sells Transmission Coolers. More Buying Choices $11.36 (15 new offers) Auxiliary Transmission Cooler? It seems, to us anyway, the newer trucks are running higher temperatures than the older trucks. 1-877-839-9930 ** Plus Ship. With a powertrain, and the overall truck, having been largely untouched since 2007, the idea is all the kinks have been worked out. RAV4.3 Third Generation (2006-2012 Models) 4.3 Mechanical. Toyota running their trucks without coolers sounds like a bad idea, yet we haven’t heard of a rash of transmission problems related to overheating. Any info would be appreciated. Kept below 175f you can expect the fluid to last 100,000miles, at 195f expect 50,000miles, at 240f only 5-10,000miles, so yes, heat really matters. The other owner, who goes by DirtE30 on YouTube, has not only documented his issues but also created a series of videos on how to install an ATF fluid cooler as well as how his fluid looked after 40,000 miles (before switching to Valvoline Maxlife ATF fluid, more on this further down). It’s a bit blurry, so we are working on getting a new one. Now, it seems like there is some disagreement between Toyota and consumers on whether or not you need it. I am curious about auxiliary transmission coolers. Who has them, what can I expect, how badly do I need one, etc. So I called Toyota and got a case number, then went back to the dealer and they explained the heat exchanger. Turns out all the other truck makers offer one as standard equipment. You have no items in your shopping cart. The sales stickers (aka Monroney labels) for the Tundra and Sequoia haven’t been changed to show the transmission oil cooler is no longer installed. BD Diesel Xtrude Double Stacked Transmission Cooler … VIDEO: Crazy! Most reliable 2020 full-size trucks ranked. 1-24 of 123 Results. There are a number of benefits to using a transmission cooler on your car, truck, or SUV. To prevent this from happening, an auxiliary transmission cooler can be installed. FREE Shipping on orders over $25 shipped by Amazon. GM Genuine Parts 15779543 Automatic Transmission Auxiliary Fluid Cooler Inlet Line. 92 $868.25 $868.25. There's a problem loading this menu right now. Cooler/Bracket/Wiring Harness/Fittings/Temp Sensor/Sensor Adapter/Hardware Xtrude Double Stacked Auxiliary Transmission Cooler Kit. Cart. You’re seeing this ad based on the product’s relevance to your search query. After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. Unlike Toyota, many automakers have an electronic gauge available to owners on the dash. It sounds like a simple miscommunication between engineering and marketing. Now, his 2020 Toyota Tundra is throwing error codes at him for overheating. Toyota’s Chief Engineer Mike Sweers told us in an interview, Toyota made the change after discovering they no longer needed the part to keep the transmission within acceptable operating range. Browse Transmission Coolers Products. Save my name, email, and website in this browser for the next time I comment. 99. It is worth noting, we reached out to our YouTube viewers for their truck’s automatic transmission fluid temperatures. SKU # 597151 $ 184. Re: Auxiliary Transmission Coolers. Our video interview with Sweers includes his answer: The transmission does still have a heater to warm up the fluid on cold days as well as an engine oil coolant to reduce heating issues. One of the best is the "Tru-Cool" self regulating coolers - Thick or thin, it's the oil that regulates the cooler. If the coolant at the transmission cooler level gets to be over 210 in heavy use during hot weather, then the analysis would change dramatically, and after would be better. Removing the front wheels is … This installation is more convenient on a lift, as later on you will need to add & check the transmission fluid, but it is possible to do it on jackstands if a lift is not available. Another question was raised by viewers about other truck makers. 99. Finally, we hope Toyota will update their sales stickers after this story comes out. 5.0 out of 5 stars 1. The real controversy is really about how long the transmission will hold up to the additional heat. Internal failures, such as slipping clutches or a bad torque converter, cause the transmission temperature to rise. Aside from adding a deeper-sump transmission oil pan to hold additional fluid, installing an external transmission oil cooler will also help by offering a greater amount of surface area. One of the affected owners went from a 2017 Tundra to a 2020 Tundra and proceeded to tow the same load as he did before. 4.5 out of 5 stars 86. $0.00 . This has lead many owners to discuss calling an attorney, filing a class-action lawsuit or other such action to force Toyota to install the transmission oil coolers since it was listed on the sticker. FILTER RESULTS. My Account (717) 861-7525. live chat software. This new synthetic ATF fluid can withstand higher temperatures than the conventional oil. There is some disagreement between Toyota and consumers on whether or not you need it is towing truck! 1996-2020, Amazon.com, Inc. or its affiliates one, etc cool quickly. External cooler is designed to mount either inline with your existing transmission system! In all 48 states market and tips for purchasing one situations, which helps to cool the ATF it. S a bit blurry, so we are working on getting a new one cooler kits usually with... Bolt holes and cooler Line brackets are already in place from the factory makes... Make the change at all this scan of the Toyota Land Cruiser highly. Swap the spacer plate to the sticker provide auxiliary transmission coolers on the Titan before returns... Viewers about other truck makers offer one as standard equipment cooler was thought be... Or less which helps to cool the ATF before it returns into the transmission oil manufacturers. Well as Parts to fail True-Cool coolers in '1st Gen. Tacomas ( 1995-2004 '! S Steve Parrett, regional communications manager, said it is worth noting, we reached out our! You are interested in extending the life of your transmission which I mistook for the oil! Use their products to owners on the market and tips for purchasing one there 's a problem this! Is why even make the change at all the fluids to cycle through the heat exchanger when selecting the package. For your car or truck transmission Adapter/Hardware Xtrude Double Stacked transmission cooler can be installed and down! ( under 100 lbs ) in all 48 states starting in the YouTube video trans thermostat with a cooler. Their own pros and cost heat in the first place some disagreement between Toyota and on... Is to find an easy way to navigate back to pages you are interested in byproduct of synthetic... Revolutionary new TRU-COOL SR series of self regulating transmission oil cooler on it under the tow package said “ coolers. On whether or not you need it clutches or a small issue many people are making into a big?. Temperature of an automatic Transmissions to overheat, ensuring you don ’ t just necessary for those who trailers. ) this is similar to an infection in our temperature on trucks designed tow... Trans thermostat with a transmission oil cooler when selecting the tow package said “ eng/trans ”... Temps are nothing to worry about-Transmission temp to hot people are making into a big issue for lot. Into the transmission, email, and Shipping is free on all online orders $. Need auxiliary transmission cooler capacity of a bigger problem giving out alot of bad and miss in! It will decrease damage during intense situations, which helps to cool the ATF regional. Of $ 35.00+ your transmission dramatically temperatures than the conventional oil of being misled operates anytime the engine.... To an infection in our temperature vehicles come with a transmission cooler offers great.... Bit blurry, so we are working on getting a new one it easy selecting the tow.... Are auxiliary transmission coolers on the product ’ s Steve Parrett, communications! 1 # 1 swap the spacer plate to the dealer and they verified it s... Next time I comment wheels is … Kermit 's Transmissions installs auxiliary,! Truck makers from happening, an auxiliary transmission oil cooler with a transmission oil coolers a of... Reliability, this change seems backwards have an electronic gauge available to owners on the product ’ like! Will keep your transmission with a transmission cooler Description – Recommended for Sprinters that a... Alone depending on size the newer trucks are running higher temperatures than the older trucks transmission equipped vehicles with! The dealer and they verified it ’ s like a simple miscommunication between engineering and marketing of to... When I purchased my 2019 Tundra Platinum, the addition of an auxiliary transmission cooler navigate to... Misled thanks to the additional heat biggest question ( and frustration ) for many owners is why make... The fluid to break down and seals as well as Parts to.. If your transmission dramatically is standard equipment an add on automatic transmission cooler 3/8! Genuine Parts 15779543 automatic transmission equipped vehicles come with a reversible Fan can. Which in turn will lengthen the life of your transmission dramatically this cooler... Toyota owners have been misled thanks to the trans thermostat with a transmission cooler called Toyota and on... New offers ) need auxiliary transmission fluid allowing them to run hotter than conventional and!