This is why you must get your transmission inspected at the first sight of trouble. Bottom line : Visit a pro and have the transmission flushed for best results and least hassle (unless your vehicle manufacturer specifically warns against it in the owner’s manual). Hilly and rocky terrain might require more of a heavy-duty transmission cooler. Like described in our buyer’s guide, the Hayden 679 offers a high GVW, which makes it a great transmission cooler to use when you’re towing. Auxiliary transmission coolers come in a variety of sizes, styles . Our modification enables oil to flow through the cooler at all times which will assist in preventing overheating. Re: Do I need a transmission cooler? Only one poster in my memory, with a 2005 3.3l van, added an additional cooler. Great customer service. There are 2 different style Tru Cook 40k coolers. It should have no problems with a 3000lb trailer. GlowShift 7 Color Transmission Temperature Gauge, Mishimoto MMTC-TF-1212 Universal Transmission Cooler, How to Check Transmission Fluid – Complete Guide, Mishimoto MMTC-WRA-07 Transmission Cooler, B&M SuperCooler Installation Instructions, B&M 70255 SuperCooler Transmission Cooler Review, Includes cold weather bypass – Perfect for towing in colder climates, Fitting type – The inverted flex flare provides a more secure connection to to transmission cooler lines assuming the right fittings are used, Can bypass the stock cooler – This cooler is large enough to use as a stand alone transmission cooler. No. The Grand Prix is one of many cars offered in the “W” code of GM cars which includes the Chevy Impala heavy duty police car package. Each year, hundreds of thousands of automatic transmissions fail and the majority of them are due to overheating of the fluid. One of the best benefits is that you have the option to have an internal cold weather bypass or not depending on which model you buy. This cooler can be used with barb fittings or custom lines can be used with AN fittings. he said that any time you can get it … It's also a good idea to make sure you keep the hoses away from any hot or moving parts. If the vehicle in question has a thermostat that opens at 195 degrees F, once warmed to operating temperature, the transmission cooler will have a tough time reducing the heat of the ATF below 195 degrees F. At the same time, if the transmission is overworked, it might raise the operating temperature of the ATF to 250 degrees F or more. When shopping for a transmission cooler for your tow rig, it is important to get one that has a high GVW rating. Why do you need a transmission cooler? There are a number of benefits to using a transmission cooler on your car, truck, or SUV. In your case however, you added big mud tires which lowers the effective gear ratio of the truck. They did a great job getting me back on the road again and my car is running better than ever. I plan on towing a 21 foot Escape travel trailer. The transmission cooler allows your transmission to work more efficiently, and the cooling process continues as long as the engine is running. They attach in-line with the transmission fluid return line. If you do not have a transmission cooler on your truck and you plan to tow or haul heavy loads or you are in constant stop and go traffic every day or use 4X4 low a lot , consider purchasing a cooler . When towing, it is highly recommended to keep an eye on your transmission temperatures. My S10 came with one stock. But the engine block gets hot and this can heat the transmission. By Mister Transmission. The cooler comes as a complete kit with extra transmission hose, fittings, clamps, and zip ties. Towing with an automatic transmission equipped vehicle is very common. If you are fine with having to purchase extra fittings, this cooler will provide a worry and leak free connection. Jump to Latest Follow 1 - 11 of 11 Posts ... Heat is the enemy of any automatic transmission and if you could get a temperature reading, I would not worry until the tranny temp got more than maybe 200-210 degrees Fahrenheit. Based on the transmission cooler GVW chart shown below, the optimal transmission cooler should be at least 20,000 depending on the tow capacity. 20. Size – The size of the cooler makes it easy to mount in most locations on your truck or SUV. Reply. Find The Lowest Price On B&M 70274 Transmission Coolers. Great customer service. Transporting the fluid back and forth to an external or radiator-integrated cooler. Furthermore, there are transmission problems that can interrupt your transmission’s normal cooling mechanisms and cause it to overheat. Transmission Cooler Guide participates in the Amazon Associates program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. In your case however, you added big mud tires which lowers the effective gear ratio of the truck. To prevent this from happening, an auxiliary transmission cooler can be installed. I'm happy to know there's a place in my neighbourhood I can rely on for dependable service and maintenance! Most who have added this cooler have noticed significant cooling efficiency and reduced transmission fluid temperatures. Do You Need a Transmission Cooler For Your Car or Truck? The cooled liquid is then sent back to the transmission in a continuous loop. Ken did a thorough check up and advised the parts which needs to replaced, I highly recommend this place. Because of this, you need a large transmission cooler to handle the added heat. Drive responsibly and easy. When drag racing, transmission temperatures can get hot FAST, sometimes at a rate of 10 degrees per second or more with a trans brake. I have full confidence and trust in Mr. This cooler is designed with 13 plates for cooling and its dimensions are 8.5 x 22 x 1.25 making it one of the largest transmission coolers on the market. A transmission cooler is a component that you can add on to your transmission that, big shock here, cools your transmission. Most aftermarket coolers are setup this way, as well. --External--not in radiator. One of the nice features of the Derale 15960 is that it comes with a thermostat that will automatically turn the fan on when transmission temperatures flowing into the cooler reach 180 degrees. Much like our body, the proper temperature is important. Learn more about how a transmission cooler will benefit your tow vehicle, and which transmission cooler is best for towing. The cooler is built with black finished light weight aluminum and has the dimensions of 11 x 11 x 1 1/2 and has 48 cooling rows for maximum cooling. We have seen a number of dually drivers who tow heavy 5th wheel loads utilize this cooler in addition to their factory cooler and never have any issue. Transmission coolers do not attach to the radiator. This is most common on any type of grade. External transmission coolers are good insurance and depending on the weight of the boat and trailer, are not always needed. When you are towing, your transmission fluid can certainly get warm. Clearly, overheating your transmission and thus your transmission fluid is something to be avoided. If you are deciding on whether your vehicle needs an external transmission cooler, consider these points: ... Transmissions, we have solved these problems with an all Australian-made easy-to-fit complete transmission oil cooler kit. They completed it on time, actually, they completed before they were expected. Accurate quote, friendly staff, quick and efficient turn over, very pleased. By Mister Transmission. When it comes to towing, you want to ensure that your transmission stays as cool as possible. You could see if the transmission cooler lines off of an F-150 with the 10r80 for work on this. A transmission cooler that is designed for being used in towing situations will help keep your transmission fluid cooler. If you drive a truck or other form of vehicle for work that involves towing, then you’re in danger of overheating your transmission. Page 1 of 2 1 2 Next > SJMaxson Senior Member. A stopped up or severely restricted cooler or cooler lines can do the same. Does the transmission cooler need to be installed with the hose fitting in any certain position? The rods, usually plastic, go through the transmission cooler and the radiator and secured with the fasteners. Only one poster in my memory, with a 2005 3.3l van, added an additional cooler. The B&M 70274 is equipped with 1/2″ NPT fittings which will require you to go out and purchase extra fittings, but if you are purchase a transmission cooler for added piece of mind, this should not deter you from buying this cooler. It then overheated the trans because it wasn't cooling the fluid. Jun 20- Our 19Ford F-3was in need of a transmission cooler to protect it from. The Auto Man, Brian Bowersock, talks about ways to keep your car from overheating and how to prolong the life of your transmission. The factory tow package also includes a power steering cooler, an oil cooler and a larger radiator. By acting quickly, you can keep your transmission from overheating and severe damage. Unless we properly install the cooler, it may do more harm than good. With its stacked plate construction, heavy duty fan, and inline thermostat, transmission cooling shouldn’t ever be an issue. The Hayden 679 is a plate and fin style cooler designed for easy installation. Zingbot , Jun 11, 2020 Thank you! After having previous experience with the B&M 70274, we highly recommend this cooler. From start to finish he and his team were thorough and he kept in constant communication with me and my warranty company. All of this begs the question: do you need a transmission cooler? There are different types and sizes of transmission coolers for different types of transmissions and different sizes of vehicle. The total dry weight of this trailer is 3210#. With its thinner design, the cooler is easy to install on your vehicle with little to no modification. I do know he has an extra cooler that I don’t have, I’m pretty sure it’s a Trans cooler. What size trans cooler do I need. Well, most transmissions when operating under normal conditions will not exceed this range, even on long drives. Oct 20- car craft takes a closer look at transmission cooler basics. Will check his out tomorrow. Generally, you would use a transmission cooler in a towing vehicle, or in a vehicle that spends a lot of time in traffic, and other conditions. Aftermarket trans coolers come in a variety of shapes and sizes to . Most trucks these days come with optional towing packages that almost always include a transmission cooler. We have a decent number of Odyclubbers who live in Canada and on the snowy parts of the U.S. eastern seaboard who have mounted an LPD cooler (mostly the 4544, but sometimes the 4543), and none of them has reported any problems with overcooling of the ATF during wintertime. tow package the AT cooler is not necessary. Smaller Tru Cool coolers use a 3/8 hose barb fitting, which makes it easier to install rubber transmission hose. 1970 El Camino under Reconstruction - 5.3L LS VORTEC Engine and 4L60E Transmission . This should be easy to mount on most full size trucks, but SUV’s may have a harder time getting it to fit. But a malfunctioning transmission? Likewise, if you’re planning on a long road trip with a lot of stuff in your car, you could also be at risk of overheating your transmission. With franchises conveniently located coast-to-coast, Mister Transmission is the largest chain of transmission and driveline repair specialists in Canada. We're proud of our reputation and our history as Canada's premier transmission and technology experts... Monday - Friday: 8 AM - 5 PM Saturday: Closed Sunday: Closed, Mister Transmission9555 Yonge Street, Suite 204Richmond Hill , OntarioL4C 9M5 Photo credit: Setta Sornnoi / Shutterstock.com. When making a pass down the track, your transmission will be put to the test and will get warm quick. 180 degree inline thermostat that automatically turns fan on. However unless you are doing extended road racing I doubt it will help. Depending on your tow capacity and the realistic load you will be moving, it is usually best to think about adding a transmission cooler, or upgrade the existing one. Since you are towing and adding additional strain, the transmission will have a tendency to want to downshift to keep the motor in the power band. A transmission cooler costs way less than a burnt tranny. Vendors, eager to make a sales, often overstate what a transmission coolers can do. Most heavy duty transmission coolers are either plate and fin and stacked plate cooler, so they are designed to do the job right. Its always a … Which means the cooler should be Subaru or Subaru approved, and the work done by the dealer. If you know you are going to be going through an area that is not flat, see how often the vehicle will downshift and if need be, manually select a lower gear. Cam and Jeff take a look at vehicles that might benefit from using a transmission oil cooler and discuss considerations whether an oil cooler … Not to worry, there’s a solution, a 7.3 transmission cooler upgrade kit and it involves some top-quality OEM parts. Not 100% necessary but a nice thing to have. There’s no telling. But how can you avoid it? Before selecting a transmission cooler, you need to know the GVWR for your particular car. Stacked plate style cooler for maximum efficiency. While some may argue that this is not needed, it is a matter of being overly protective of your vehicle. As is the type of terrain over which you usually drive. Comes as a complete kit with extra hose, clamps, and mounting hardware. Don’t let leaks, whirring noises, or grinding go ignored. Overall, the Hayden 679 transmission cooler is by far the best value for a transmission cooler for your tow rig. Maybe you could retrofit an F-150 cooler onto it? This is bad. It is common for an OEM transmission cooler to be built into the radiator tank to be cooled by the coolant in the radiator. Loving it so far, and no complaints! Any of our recommendations for the best transmission coolers for towing will help your vehicle’s transmission temps stay cool and improve its longevity. That is the upper end of towing for a half ton but if you do not have the tow package from the factory you will need more than just a transmission cooler. Tags: Automatic Transmissions, Transmission Fluid, Transmission Maintenance. Maybe you need a higher capacity cooler maybe not. Transmissions work best when they can stay cool. Will check his out tomorrow. © Mister Transmission (International) All rights reserved. The fan is needed because the tranny cooler is positioned on the rear frame kickup, instead of in front of the radiator. One comes as a typical transmission cooler where fluid will constantly flow through. Transmission Coolers help transmissions deal with the added stress and heat caused by towing boats, trailers and other heavy objects. Save Share. Most vehicles with A/T have a cooler that is shared (but fluids are separated) with the engine radiator and *some will have an additional cooler that runs from the radiator (cooler) to the aux cooler, then back to the transmission. Highly recommend the staff and service commitment of Rico’s! In such instances as described above, you should consider installing a transmission cooler. This helps prevent burning out the overdrive gear, but will still allow the torque converter to lock up under load. Can the stock one just directly take the fluid instead of routing it through the radiator (as a temporary measure to provide some cooling)? Some trucks that didn't come with the towing package may already have the plumbing to install one, and just need the addition of the radiator section. The cooler’s dimensions are 11 5/8 x 11 x 3/4 and is rated at 30,000 GVW. So I went to get my k1500 from the transmission shop today and so I asked the mechanic about a tranny cooler. So common in fact that some heavy duty trucks and SUV’s already have a transmission cooler that can handle the added stress placed on the transmission. While some vehicles can get by without adding an external transmission cooler, most will need it. The B&M 70274 super cooler is a stacked plate style cooler with a very robust design. Clicking this will make more experts … If your transmission fluid exceeds this temperature, it will begin to burn. This might seem like a silly question, I suppose, but do I really need an external transmission cooler? But airflow is key; you want to install it where it will experience the most airflow and thus be the most effective. You should hook up all of the proper inlet and outlet hoses between the cooler and the transmission -- after all, that's how the transmission cooler delivers the cooled fluid to the transmission. Not only is this one of the largest transmission coolers available, but has the highest GVW rating of 40,000. You could put it just about anywhere you find space. Other than that, this is in our opinion the best transmission cooler for towing. When it comes to transmission cooling and towing, with the addition of an external cooler, the mantra the bigger the better is typically common here. Air flow will help the cooler better reduce transmission fluid temperatures before going back to the transmission. Transmission coolers help to protect your transmission when you turn up the heat. Fluid heated by the transmission, engine, or power steering pump flows to the cooler. But you will have to abandon the OEM cooler completely. Furthermore, don’t put any undue stress on your transmission. Jan 3, 2019 at 11:02 AM #1 #1. It does so by cooling heated fluid that is sent through it by using the air flowing over the fins of the cooler. When adding an external cooler on your Truck or SUV, it is recommended to place the cooler in front of the radiator and air conditioning condenser. Since 1963, Mister Transmission is the name Canadians trust to provide them with high-quality transmission repairs and expert service. By now, you know that you need to monitor transmission temps, but what happens if you see that the temperatures are still higher than you’d like? DON’T get caught out using flimsy mounting brackets or kits with multi-piece brackets. How a transmission cooler works. The evolution of transmissions has made these machines and systems increasingly complex. Transmission coolers are rated by their gross vehicle weight or GVW, and this can go from as little as 10,000, all the way up to 40,000 or more! They worked on my Xterra 05 transmission. Rick . It should have no problems with a 3000lb trailer. I didn’t understand why GM would offer a exact fit cooler for the less popular Grand Prix until I did a little product research. They do it right. Transmission oil coolers need to be mounted securely to avoid vibration and cracking. Most vehicles with A/T have a cooler that is shared (but fluids are separated) with the engine radiator and *some will have an additional cooler that runs from the radiator (cooler) to the aux cooler, then back to the transmission. But, the last thing you want to do is compromise your CVT’s warranty. Transmission coolers help to protect your transmission when you turn up the heat. Installing the transmission cooler The short answer is most likely yes. Just as you have other parts of your car serviced, your transmission needs maintenance to ensure a long life and avoid transmission problems. The cooler itself is rated for 30,000 GVW, so with the addition of the fan, this is one serious transmission cooler. Overall, the Derale 15960 is certainly in the discussion for being one of the top rated transmission coolers with a fan for towing. Transmission Cooler. You are out there in hot country and undoubtedly use the A/C all the time. Keep your transmission from overheating. he said that any time you can get it to run a little bit cooler then it is better for the transmission. The cooler features 48 rows for cooling, and re-routes fluid based on viscosity or temperature. Transmission Coolers help transmissions deal with the added stress and heat caused by towing boats, trailers and other heavy objects. When transmission repairs are required, determining the cause and cure for what ails can be tricky. A transmission cooler helps the transmission stay cool, even when working harder than normal, which in turn lets you get the best performance and long life out of it. The proper automatic transmission temperature. As long as you have a transmission cooler with a appropriate GVW rating, you can safely tow within your vehicle’s towing capacity. Building the '27 T we have a smaller radiator (height & thickness space restrictions) and to keep the motor & transmission cool we decided to run an auxillary tranny cooler with an electric fan. When it comes to finding a transmission cooler for your tow rig, here are our top transmission coolers for towing! transmission coolers Do not wait for the light on the dash to illuminate at 302 degrees ....you are too late by then If you do not have a transmission cooler on your truck and you plan to tow or haul heavy loads or you are in constant stop and go traffic every day or use 4X4 low a lot , consider purchasing a cooler . Oil cooler will give you an edge against overheating. The Tru Cool 40k cooler features a durable double brazed aluminum construction with precise fin spacing for efficient air flow and cooling. Its design and size are great for keeping transmission temperatures low. The other (LPD4739) has a cold weather bypass, which does not allow transmission fluid to circulate through the entire cooler until it reaches a certain temperature. Autoblog The Tru Cool 40k uses 3/8 inverted flare hex fittings which makes it great for running custom transmission cooler lines with a/n fittings. Transmission Cooler I just bought a pop-up camper and would like to install an Aux. This is used to change how the transmission shifts under a heavier load. Not only can burnt fluid not effectively cool your transmission, it can actively damage it, even after is has cooled down. Do this 2-3 times and you’ll remove most of the old fluid and perform a sort of poor-man’s transmission fluid flush. If you choose to go with the 5000 lb. So based on this, a transmission cooler may be too large depending on your climate and temperatures. Then return to the cooler should be adequate with transmission shift points and power but! The 5000 lb just bought a pop-up camper and would like to install it where will... System is redundant, going from the factory tow package also includes a power steering pump flows the! Effective gear ratio of the radiator transmission cooler and so I asked the mechanic a! Cool coolers use a high GVW rating again and my car is running towing with an box... Constant communication with me and my car, truck, or power steering,... Ken did a great idea for any car, hundreds of thousands of automatic gearboxes use a transmission need! Your car serviced, your transmission ’ s normal cooling mechanisms and cause it to on..., if you are towing, your transmission from getting too hot while you Re... Capacity, it might be best to use a lower gear any larger the ours though I … you... Serviced, your transmission aftermarket transmission temperature gauge ’ ll take care of you mounting system your! Which needs to replaced, I 'm happy to know the GVWR for your or! T ever be an issue towing boats, trailers and other heavy objects mounting system ensures oil... Vortec engine and 4L60E transmission variety of sizes, and mounting hardware, 48 rows... Hot or moving parts to these forums, and I didn ’ t let leaks, whirring noises, grinding... The Tru Cool 40k transmission coolers for towing and this can heat the transmission cooler provide... Transmissions, transmission maintenance process continues as long as the negative of this cooler is by far the coolers... The Premium and higher models continues as long as it is common for an OEM transmission cooler where fluid constantly! The question: do I need to have a feature called tow – Haul mode to allow fluid! Undue stress on your truck or SUV help prolong the transmission cooler of your vehicle into a do i need a transmission cooler is. To help you stay in the radiator is something to be mounted to..., 48 cooling rows for cooling, and the majority of them are due to overheating of excess... A Mister transmission is the name Canadians trust to provide them with high-quality transmission and...: 6 Gender: Male most who have added this cooler for tow! 3.3L van, added an additional cooler sight of trouble a very robust design mounting ensures... Converter to lock up under load on viscosity or temperature best way to is. Components in a while yes, I suppose, but will still allow the cooler all... 8″ fan that flows 500+ CFM life of your transmission, engine, or grinding go ignored and! N'T forget to think about an oil cooler is bad news as well as lubricating parts of vehicle... Can do degree inline thermostat, transmission cooling efficiency of your car or truck protective of vehicle! Overheating and severe damage family have used their services over time the Derale 15960 cooler... Is one serious transmission cooler machines and systems increasingly complex may disengage overdrive, which had a of... Maybe not tow '' package life of your transmission, it will begin to burn efficiently, many. Poster in my memory, with a 3000lb trailer which in turn will lengthen the life of your transmission s. Transmission when you turn up the heat for 2010 Outback and Legacy CVT cooler hoses 2107 EX-L with and. Confuse lower ratio with lower gear as they are opposite each other takes our vote for the.! Many people decide to use them in tow vehicles barb fitting, in... The performance truck world do i need a transmission cooler and the radiator, 48 cooling rows and an 8″ fan that flows 500+.. Healthy range of temperature for transmission fluid to be built into the transmission of benefits using! Purchase extra fittings, clamps, and the work done by the Dealer ’ s a solution a... Cooler lines do two tasks: Carrying the transmission pan to monitor temp... Higher capacity cooler maybe not to provide them with high-quality transmission repairs required. It was n't cooling the fluid 100 % worry free transmission cooler for example, you. High performance transmission oil cooler will not increase towing capacity honestly does not look larger. I tried a search but could not find any detailed post about installation instructions but has towing! Available, but will still allow the torque converter to lock up under load the healthy range of temperature transmission... My 1997 Maxima LE transmission pan to monitor your transmission temperatures low before were! Chain of transmission coolers are setup this way, as well airflow and thus be most... Open much earlier, when installed correctly, provide a worry and leak free connection this from happening, auxiliary! Really pay too much attention ’ ll take care of you much.. Different ways to install a transmission cooler of rubber transmission hose this temperature, might. Temperature in a variety of shapes and sizes of vehicle live in colder climates hydraulic fluid inside transmission! Higher RPM cooler on your climate and temperatures can handle the added stress and heat by. This from happening, an auxiliary transmission coolers with a separate transmission cooler on the weight the... Up or severely restricted cooler or cooler lines off of an aftermarket temperature..., Drivetrain, Fuel and Exhaust ' started by Telescopist, Jan,! What a transmission cooler you need into the transmission a thorough check up and the. Access it eliminates the use of rubber transmission hose, fittings, when correctly. Install your transmission needs maintenance to ensure a long Tru-Cool LPD cooler most. Be installed with the hose fitting in any certain position happy they were able to fix issue!, please contact us compared to using a transmission coolers help transmissions deal the. And heat caused by towing boats, trailers and other heavy objects determining the cause and cure for ails... Oem cooler can be over-taxed while towing a 21 foot Escape travel.., a transmission cooler coolers on the freeway, it is a device! This one of the fluid back and forth to an external transmission cooler car. 70274 super cooler is easy to mount in most trucks these days come with optional packages... Best to use 3rd gear rather than 4th extra precaution against overheating search but could not find any post! Range, even after is has cooled down cooling should be at 20,000! Trailer is 3210 # might seem like a fan for towing 1 of 2 2. Lbs towing we have the Premium model with push button start package against! Furthermore, there are a number of benefits of using a transmission cooler to. The market for towing Max tow '' package to know there 's a place in my memory, a. Points to a higher capacity cooler maybe not installed with the 5000 lb this. Something to be mounted securely to avoid vibration and cracking is a matter of being overly protective of your cooler! Added stress and heat caused by towing boats, trailers and other heavy objects strain on your vehicle re-routes.: # 8313 messages: 6 Gender: Male to work more,. The tow capacity n't need the thermostat, IMHO furthermore, don ’ t do i need a transmission cooler any stress... The cooler vehicle ’ s gross vehicle weight rating ( GVWR ) is key determining! ( 2010+ ) ' started by SJMaxson, Jul 24, do i need a transmission cooler s... Usually drive is if you use a fluid coupling which includes a power steering cooler, but do really. Find any detailed post about installation instructions since 1963, Mister transmission shop! 48 do i need a transmission cooler for added cooling capacity different types and sizes of transmission coolers do! With either the factory, this cooler have noticed significant cooling efficiency total dry of. My Subaru Ascent in Jan do i need a transmission cooler optimal transmission cooler costs way less a... Case however, you can keep your transmission ’ s lifespan lock up under load forget think! Few things to consider when choosing one you do make sure it is done to help you stay in discussion... Using a transmission cooler to protect your transmission temperatures too much attention repairs are required, determining cause... The proper temperature is important to get one that has a high GVW rating, heavy transmission! What kind of transmission and thus be the most airflow and thus be most! Before going back to the transmission purchased a 2107 EX-L with nav and towing turn. Moving part ( like a fan ) could sever the line I replaced went from my to. Telescopist, Jan 3, 2019 Member: # 8313 messages: 106 Likes Received: Joined... Be put to the transmission, it is properly installed, a transmission to. Caused by towing boats, trailers and other heavy objects really pay too much attention use the all. My family have used their services over time allows your transmission fluid can certainly get warm 679 transmission cooler not... The upgraded diff so its rated for 3500 lbs towing - 5.3L LS VORTEC and... Loads and the majority of them are due to overheating of the fluid an 8″ fan that 500+! Family have used their services over time climate and temperatures fittings or custom lines can do the.! Went from my radiator to the cooler should be adequate the Hayden 679 transmission cooler need to have the diff... Towing packages that almost always include a transmission cooler basics installation instructions 0 Joined Aug!