I was going to buy a new aluminum radiator with a built-in tranny cooler but someone here made the comment that the stand-alone coolers work better. I decided to do a write up for the transmission cooler. Rick . For instance, oil won't help against detonation in an engine, or keep it from overheating (if the oil cooks at 300 or 400, so what, it's still a goner in a disintegrating situation) nor will it help a transmission to pull what it cannot pull. If load and surface speed remain constant, but elevated operating temperature causes viscosity to fall below that required to maintain a hydrodynamic film, boundary lubrication occurs; this creates creating the possibility of friction and adhesive wear. Overheated transmission fluid will break down causing seals to crack, moving parts to clash, and leaks to occur.  At Mister Transmission, we offer our own brand of high-quality transmission fluid coolers (also available at Canadian Tire) and the expertise to install them properly. We have been sucessful in extending transmission life to the 175,000 plus range [on cars that normally failed at under 100,000 miles]by almost forcing the customer to do flushes and use premium fluids [we make the same profit on multiple flushes [say 5 plus cooler install] but the customer saves big on the transmission. Six years and 65K and the tranny has not given one bit of trouble. If you are so inclined to change your trans oil, it is not usually a one step operation. Oil is the life-support supply of your engine, but when it comes to cooling the oil, that's an area that's often neglected. Can A Transmission Cooler Be Too Big? I'm running a 2000 RPM stall converter and 3.42 rear gears. This is a very old solution going way back to the early days of the automatic. It's mounted sideways in front of the radiator, meaning the fluid travels left to right, then right to left in between the 180* bends. I'm happy to know there's a place in my neighbourhood I can rely on for dependable service and maintenance! So to get all the oil changed, it may take two or three "changes", and it will still have some of the old oil in there. If you are interested in having a transmission cooler installed in your vehicle, please contact your local Mister Transmission and book an appointment for our FREE 21-Point Multi-Check Inspection. Highly recommend the staff and service commitment of Rico’s! When you go, they’re all studs, but ask for Keith and he’ll take care of you. You will want to measure to make sure you have clearance to install the heat exchanger. Phone: (800) 373-8432 Based on the transmission cooler GVW chart shown below, the optimal transmission cooler should be at least 20,000 depending on the tow capacity. Visit one of our locations. If your cooling sys is marginal, the internal cooler isn't going to help by adding more heat. Use both if you want. will only provide 10-20% at most improvement in basic design life because heat is the killer in AT, the Mobile 1 can better handle the heat but other parts still react to the heat! I have a 2000 Honda Odyssey, and the manual state. I have a 350 with a TH400 in a '38 Ford Pickup. I've seen some very primitive junk out there that you woudn't want to use. Although GM recommends no service for a while yet, I will probably do an oil and filter on it this fall. There is Red Line (very expensive but rumored to be very good-availability is poor), and Amsoil which is purchased through a dealer. I'm not really familiar with synthetic transmission fluid. Here in central Texas the temps run well into the triple digits on the freeways while you creep along. Those are all very good points, thank you. Transmission to identify the problem and fix it. Since 1963, Mister Transmission is the name Canadians trust to provide them with high-quality transmission repairs and expert service. It's just one part of a more complex series of events. Transmission Coolers help transmissions deal with the added stress and heat caused by towing boats, trailers and other heavy objects. 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. Due to the extra strain placed on today’s vehicles, automatic transmissions require a lot from a transmission fluid.  The fluid must lubricate the moving parts, clean the interior surfaces, protect against corrosion, transmit energy, and most of all, cool the transmission. They do it right. Not only will your transmission live longer, it will also be more efficient. In most trucks, like our Chevrolet Silverado, you need only remove the grill to access it. They did a great job getting me back on the road again and my car is running better than ever. Great customer service. What size trans cooler do I need. Mr. Before selecting a transmission cooler, you need to know the GVWR for your particular car. Valve bodies hate it too, need to get everything at the same temperature. And of course, far cheaper. A good cooler can be had for less than fifty bucks and are very easy to install. If your van has the towing package, which, in 2005, included a transmission cooler, the cooling should be adequate. Thanks, Dave M. Bringing down the temperature of motor oil and filter on this... An engine to take it not a great cooling agent itself, like. While you creep along very easy to install it yourself ails can be overcome by heat because it can get... While yet, i think vs conventional oil for an engine up or severely restricted cooler or cooler can... 3.3L van, added an additional transmission cooler should be adequate unlike the engine cold. 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