… They cost from $40 and on up and take about an hour or so to install usually. How to install a transmission cooler in your Colorado 3.5 - Chevrolet Colorado & GMC Canyon Forum How-To: Install a Transmission Cooler - Chevrolet Colorado & GMC Canyon Forum … A person with minimal automotive skills can install a transmission oil cooler in a couple of hours or less. It is wise to install an external cooler for it. When figuring out how to install a B&M 70274 transmission cooler into a Chevy Silverado or GMC Sierra, there are a two of important factors to consider, routing the transmission lines and mounting the cooler. I was looking for a way to upgrade my factory transmission cooler to one that cooled a little better. I purchased the transmission cooler (it's about 12x12 inches), and a fan to mount over the front of it from NAPA auto parts. Do you have any suggestions on a brand names or pros and cons of doing this. The transmission has been run on Phoenix Transmission's dyno, so it's tested and ready to install. I mounted my transmission cooler on the bumper using "L" brackets and tek screws. he didnt use the Hayden 397 plug at all. New Flex-a-lite Transmission Cooler. Jump to Latest Follow ... What he did, was take the 2 lines from the transmission and hook them directly up to the transmission cooler, i guess essentially bypassing the radiator? What I did was installed the cooler, took the top of one of the lines and filled the cooler. Since the B&M 70274 uses 1/2″ NPT fittings, you will need to get the appropriate fittings to run the lines of your choosing. If you do you will notice VERY little transmission fluid actually goes inside the cooler. Transmission Cooler Install- How I did Mine With the help of other members suggestions in another thread, I finally got my cooler installed. On a Chevrolet truck or car running a V6 or V8 engine, a set of transmission cooler lines typically runs from the front of the vehicle by the radiator into the transmission. Most trucks these days come with optional towing packages that almost always include a transmission cooler. Let’s start with installing the trans. Attach the bottom of the cooler … I then had to confirm which transmission line was the return line to the transmission. I need to know how to install a new return (upper) transmission cooler line. Since the biggest killer of automatic transmissions is heat, it won't hurt to install a cooler. We install an upgraded transmission cooler from Pacific Performance Engineering to help keep our Allison transmission cool! I figure better safe than sorry. When I dod my cooler I had new lines ran. The cooler lines out of the transmission run to a thermostatic valve that's located near the bottom of the radiator. Put the clamps on the hose and attach to the cooler (tighten clamps) 6. As the transmission is raised into position, slide it over the dowel pins. To showcase a typical install, we acquired a Hayden universal transmission cooler kit from Gearstar Transmissions. I installed a transmission cooler on my 97 Tahoe. I have tried for hours to feed it in … read more The oil follows the sequence as follows: Leaves the tranny hot –> goes into the bottom of the radiator and gets cooled the first time –> comes out the top of the radiator –> goes in the top of the new (exterior) trans cooler –> comes out the bottom of the new trans cooler –> travels back to the transmission. Now just connect the new radiator to the transmission, you wanna go radiator>trans cooler>transmission so basically you wanna take the return like from the radiator to the top of the trans cooler and from the bottom trans cooler to the transmission (If any leaks out just use some of the rags to clean up the spot but clamping both sides right shouldnt loose much dextron at all.) In my research, I found that the Earl's 82510ERL. This is a step by step guide on how to remove and install a transmission in a 1998 Chevy truck Park the truck in a place where you will be able to work on it efficiently. 4. Install the transmission fluid cooler inlet and outlet pipe clip (4) in the range selector lever cable bracket. Install them just above the dowel pins on each side of the engine block. 5. A restricted and/or contaminated transmission cooling system is the #1 cause of transmission failure after a replacement. The package included longer lines, allowing us to mount the cooler to our liking. Another way to install a transmission cooler is to use a mounting kit that includes flexible brackets for easy installation. First, due to some fabrications of the front crash bar for clearance issues, this may not be for everyone. When he decided to install … ... • ’03 and newer Chevy grilles will snap out with a long screwdriver. Heat is a transmissions worst enemy. Install Time: 1 hour ... Stock 2008 Chevy 2500HD, LMM w/Allison 6-speed auto transmission, short bed 4x4 w/crew cab and LTZ trim Just fill the cooler with transmission fluid before installing the lines. I have a 2015 Z71 1500 and I am wanting to install a tru cool transmission cooler but don't want to just cut lines and use hose clamps to put on the rubber hoses. Transmission cooler kits usually come with all the necessary tools, hardware and directions to install it yourself. In doing my restomod, I wanted to remove the transmission cooler from in front of the radiator, and install it under the car, especially since I moved the radiator to the 6-cyl position in front of the core support, and because I mounted an AC condenser in front of the radiator. 5. I rarely tow anything, but I have had two transmissions die in other Chevy trucks I've owned. When to Consider a Transmission Cooler . Slide the transmission forward … I have a 2003 Chevrolet Avalanche 1500 4wd, 5.3L. How-To: Install a Transmission Cooler. 3. Bob Kleiner is the proud owner of a 1954 Kaiser Manhattan powered by a 502-inch big-block Chevy backed by a 700-R4 transmission. Transmission Line T-fitting Adapters are available to “T” into your Transmission Cooler Line for an effortless install. Next, install it on the return side, after the factory cooler. Install the transmission fluid cooler inlet and outlet pipe bolt (2) and tighten to 22 Nm (16 lb ft). Install the transmission fluid cooler inlet and outlet pipe (3) in the transmission. Bob if you are going to install the cooler to work in conjunction with the factory cooler then you going to need a special fitting (Hayden part number 397). Here is the line that goes to the "return line" to the transmission. I then took it to a local transmission shop, and they installed both for $200. The cooler cost $150, and the fan cost $140. Transmission lines are pressure lines, and without that barbed fitting you can blow a line off and drain your transmission (not good!). 4. Jump to Latest Follow ... -transmission cooler-Hayden 397 fitting-4 hose clamps-oil cooler hose about 6 feet ... ColoradoFans.com is the best forum for the Chevy Colorado community to discuss the truck’s reliability, diesel or transmissions problems and more. And it … • Check transmission cooler for glycol and/or water contamination • Scan vehicle computer, record any codes, and fix all causes of codes before installation of replacement transmission. How to install a transmission cooler in your Colorado 3.5. Being a not-so-handy guy, I decided to pay someone to install a new transmission cooler and fan. 1/8 of a quart or so. 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. Threading Adapters upgraded transmission cooler to one that cooled a little better mounting points designed for brackets – but vehicle. The top of the 6L80 is 160-200 degrees to use a mounting kit that includes flexible for. 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