Once you remove the transmission lines from the radiator, you will probably want to use compression fittings to attach the rubber hose to the transmission lines if they are metal. I get a chuckle at car shows when I see a bypassed internal trans cooler and a $25 tube and fin trans cooler zip tied in the front. Well, I've been running a tranny cooler bypassing the rad for 4 years now-- with a temp gauge mounted in the same location as A.Wilson013. The built-in coolers that reside in the bottom of the radiator are marginal at best. car craft takes a closer look at transmission cooler basics. I know I don't have a cooler installed (yet) but my temps have been roughly 160-195 on street driving, 100+ heat. Here are some tips: Always mount the cooler in a place that has good air flow. Therefore, a transmission cooler is a much better solution than synthetic oil I think for any heavy duty uses, since oil is not a good dissipater of heat. You guys that run aux fans on your coolers this is not going to mean much but for us mere mortals it might be helpful. Oil, without a cooler, is not a great cooling agent itself, just like water is not without an external radiator. Therefore, a transmission cooler is a much better solution than synthetic oil I think for any heavy duty uses, since oil is not a good dissipater of heat. The aux. Once you remove the transmission lines from the radiator, you will probably want to use compression fittings to attach the rubber hose to the transmission lines if they are metal. With a wide variety to choose from, our transmission oil coolers range has something to suit you. 180* tranny fluid is good, too cold it forms sludge, too hot it burns. • My advise is that BEFORE you put in a separate cooler have something to measure the temperature. Why? Improper placement can quickly kill airflow. Simply moving a cooler of any type into the radiator airflow is going to be an improvement but the 7000`s seem to be a quality piece. I read through quite a bit of the thread @Drcoffee started and other related threads but I still would like some more data. Rest Easy. Often, a transmission will die within a few thousand miles (or sooner) if subjected to 300-plus degree heat. The radiator guy said also that rather than a 42mm or 52mm radiator cooling the engine better, it would in fact only cool better if there was a significant amount of air flowing past it. Pickup truck owners seeking enhanced towing capacity might wonder if they need to upgrade to a transmission cooler. Noun (countable) anything which cools ; If acid things were used only as coolers , they would not be so proper in this case. So, thats the rub. Ideally, you want the aux.trans cooler to supplement the cooler in the radiator. The trans guy said if it's a toss up between a cooler engine, or a cooler transmission, go for a cooler transmission. Since the invention of the transmission cooler by Mr. Perry Hayden in 1961, Hayden has continued to add innovative products to meet the needs of its customers while investing in c I have the B&M 70264 cooler installed and bypassed oem cooler. The simple truth is this. Via the scangauge, my normal around-town temps range from 150-185. Your IP: 13.55.254.243 The trans guy said if it's a toss up between a cooler engine, or a cooler transmission, go for a cooler transmission. I have an AEM Trans temp gauge installed right between my external cooler and transmission. If your transmission lines are 3/8 inch in diameter, then you will want the Hyper-Cool Transmission Cooler, # D13960. The transmission cooling line system is vital to any automatic transmission. Transmission coolers do not attach to the radiator. So by adding the cooler inline " after " the radiator, you bring the temp up quickly using the engine coolant, but then keep it down below 160 degrees by cooling it … Keep your car running smoother for longer. My thought was that this would be the warmest point, as it's just before it goes into the cooler. If you oversize the cooler, you run too cold and will also damage the tranny. Transmission Coolers. The 180* rad cooler may warm or further cool the fluid, but it does make it a steadier temp. run it along with the radiators tranny cooler in this series. It circulates the hot fluid away to the radiator via cooler lines and returns the cooled fluid back to the transmission. Any oil can be overcome by heat because it cannot get rid of it. And, it looks like a way to address this is to add an electric fan to pull more air over the cooler or maybe just add a second cooler. Simply moving a cooler of any type into the radiator airflow is going to be an improvement but the 7000`s seem to be a quality piece. If you have decided to segregate then you can get a PWR for manual car and you will have more volume of coolant in the radiator for the engine (because those oil cooler tanks have to take up some volume space in there. NOWHERE NEAR enough trans cooling. Mishimoto is the world leader in performance cooling products, specializing in aluminum radiators, intercoolers, oil coolers, and silicone hoses. Buy a scanguage, it is well worth it and if you have an 96-98 get a separate gauge. Another way to install a transmission cooler is to use a mounting kit that includes flexible brackets for easy installation. 20. Earl's offers coolers in a wide range of configurations. *** Video shows connection to top hose which will place the new cooler before the factory cooler. Please enable Cookies and reload the page. Tru-Cool. Another way to install a transmission cooler is to use a mounting kit that includes flexible brackets for easy installation. So far, we're seeing a pattern that bypassed systems can record very high trans temps when the truck is used under conditions like towing and wheeling in high heat. Cooling needs depends on what you plan to do with the vehicle. And that was simple. The radiator guy said also that rather than a 42mm or 52mm radiator cooling the engine better, it would in fact only cool better if there was a significant amount of air flowing past it. ... compete with the engine coolant within the radiator's capacity. Out of tranny to new external cooler, then through the radiator cooler, then back to the tranny. Champion External Transmission Coolers. A definite pattern here - haulers and crawlers have more issue with temps than us roadrunners would. The radiator is typically at 180 degrees. Pickup truck owners seeking enhanced towing capacity might wonder if they need to upgrade to a transmission cooler. The rods, usually plastic, go through the transmission cooler and the radiator and secured with the fasteners. That will help immensely, you can also wrap the cooler lines with an insulating mesh. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. https://transmissioncoolerguide.com/transmission-cooler-types Trans Temps with Bypassing and Using External Cooler, Engines / Suspension / Wheels / Tires / Audio / Accessories, Toyota 4Runner Forum - Largest 4Runner Forum, Classifieds - buy & sell (no commercial ads please), European T4R & Hilux Surf Clubs (click to view), Asia & Oceania T4R & Hilux Surf Clubs (click to view), Africa & Middle East T4R & Hilux Surf Clubs (click to view), Latin America / Carribbean T4R & Hilux Surf Clubs (click to view), The real stats on gun murders in America compared to the world (link). You guys that run aux fans on your coolers this is not going to mean much but for us mere mortals it might be helpful. Champion External Transmission Coolers. Keep your operating temperatures low, even in harsh conditions, and protect the vehicle you rely on. Oil, without a cooler, is not a great cooling agent itself, just like water is not without an external radiator. Anyone else got some data to share? Automatic radiator with built in transmission oil cooler. The rods, usually plastic, go through the transmission cooler and the radiator and secured with the fasteners. There are many Be Cool radiators to choose from, with options ranging from moderate to high horsepower applications, manual or automatic transmissions (depending on whether an internal or external transmission cooler is used), upper and lower radiator hose location, and whether a crossflow or downflow configuration is preferred. It would be cool to see some more temperature data from people using the stock radiator cooler in different conditions. The applications that we carr Those lights won't hinder air flow at all and aren't inline with the radiator anyway. That second cooler scheme above is smart and cheaper to keep your tranny intact.