To do this you need to determine the return line to the transmission. Take the supplied Insta-dapt Adapter fitting and install onto radiator using the appropriate Male or Female end. They channel hot transmission fluid to the radiator, where it is cooled, then return it back to the transmission. Steel Clips, 12 Piece 4.6 out of 5 stars 105 Disconnect the return transmission cooler line from the radiator. Yeah, those cooler lines are a PITA to replace. 1, Parts Allison Transmission Cooler Quick-Connect Fittings 20-086 Freightliner While installing basic rubber lines might work for most, in some cases, your vehicle may need custom lines, which are more costly than standard transmission lines. Recent Posts. Buy online, pick up in-store in 30 minutes. Inspect the transmission cooler lines where they connect to the radiator and determine if they have the original plastic cap and spring clip as installed from the factory (see Fig. Fig. To flush the lines, first blow compressed air through the lines. … 2) or if a hose clamp has been installed as a temporary containment (see Fig. The best way is to lower the trans by removing the rear mount and support. 3). 2. There are 2 lines (upper and lower) coming out of the transmission that run to and from the cooler. Under the Magnuson - Moss Warranty Act, 15U.S.C. how to install transmission cooler lines; Beginner In Brazilian Jiu Jitsu Should Focus On Home; About Us; Amenities; Floor Plans; Photo Gallery; Contact; how to install transmission cooler lines Save on Cooler Hoses, Clips & Lines with great deals at Advance Auto Parts. The hoses traveling from the transmission to the radiator are called transmission cooler lines. There is a special tool for them but I have never seen one that works worth a crap. The third line (aux) is an accessory line that runs from the transmission cooler to the radiator thus completing the connection of all 3 lines. Amazon's Choice for transmission line clips Dorman 800-801 Quick Connector Clips - 4 Each 3/8 in., 1/2 in., and 5/8 in. how to install transmission cooler lines Published by on 7th January 2021. Those clips are tiny so be careful if you remove them. 2. Warm up vehicle & feel the trans lines, the colder of the two lines will be the return line. They typically resemble brake lines and are made of metal. This write-up will cover the basics of removing and installing 2 out of 3 transmission cooling lines. 1. With the large number of do-it-yourselfers who prefer to install their own filters, this misleading claim should be corrected. Depending on the cooler you purchase and your lines, you can spend as little as $20 extra to install a cooler, or … When you cut and join any type of lines there is always the potential for leaks. Menu. Flushing Cooler Lines Note: Flushing the oil cooler lines before installing a new or rebuilt transmission is absolutely necessary to insure the new transmission is not contaminated with debris and metal left in the lines from the old transmission. Cooling lines trans lines, first blow compressed air through the lines, first compressed! Never seen one that works worth a crap vehicle & feel the trans lines, blow... Of lines there is a special tool for them but I have never seen one works! Mount and support this write-up will cover the basics of removing and installing out. Number of do-it-yourselfers who prefer to install their own filters, this misleading should. 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