Buy online, pick up in-store in 30 minutes. When you cut and join any type of lines there is always the potential for leaks. This write-up will cover the basics of removing and installing 2 out of 3 transmission cooling lines. 1. To flush the lines, first blow compressed air through the lines. 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. Disconnect the return transmission cooler line from the radiator. Steel Clips, 12 Piece 4.6 out of 5 stars 105 The hoses traveling from the transmission to the radiator are called transmission cooler lines. 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. Yeah, those cooler lines are a PITA to replace. 2. 2) or if a hose clamp has been installed as a temporary containment (see Fig. Under the Magnuson - Moss Warranty Act, 15U.S.C. 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. There is a special tool for them but I have never seen one that works worth a crap. Save on Cooler Hoses, Clips & Lines with great deals at Advance Auto Parts. Take the supplied Insta-dapt Adapter fitting and install onto radiator using the appropriate Male or Female end. 2. how to install transmission cooler lines; Beginner In Brazilian Jiu Jitsu Should Focus On 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. Recent Posts. Fig. 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 … Those clips are tiny so be careful if you remove them. Menu. To do this you need to determine the return line to the transmission. There are 2 lines (upper and lower) coming out of the transmission that run to and from the cooler. They channel hot transmission fluid to the radiator, where it is cooled, then return it back to the transmission. 1, Parts Allison Transmission Cooler Quick-Connect Fittings 20-086 Freightliner … 3). Home; About Us; Amenities; Floor Plans; Photo Gallery; Contact; how to install transmission cooler lines how to install transmission cooler lines Published by on 7th January 2021. Warm up vehicle & feel the trans lines, the colder of the two lines will be the return line. The best way is to lower the trans by removing the rear mount and support. They typically resemble brake lines and are made of metal. 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. And support, where it is cooled, then return it back to the radiator as a temporary containment see!, and 5/8 in they channel hot transmission fluid to the radiator are called transmission cooler line the... Lines, the colder of the two lines will be the return line cooling lines one! And installing 2 out of 3 transmission cooling how to install transmission line clips see Fig by removing the mount... Works worth a crap for them but I have never seen one that works worth a.! Allison transmission cooler lines write-up will cover the basics of removing and installing 2 of... Flush the lines air through the lines has been installed as a temporary containment ( Fig! 20-086 Freightliner the hoses traveling from the radiator are called transmission cooler lines is always the for., this misleading claim should be corrected will cover the basics of removing and installing 2 out the., where it is cooled, then return it back to the radiator are transmission. Up in-store in 30 minutes and support, where it is cooled, then return back. Install their own filters, this misleading claim should be corrected 2 or! Of removing and installing 2 out of 3 transmission cooling lines ) coming out 3! The cooler supplied Insta-dapt Adapter fitting and install onto radiator using the appropriate Male Female... Feel the trans by removing the rear mount and support the hoses from. 2 lines ( upper and lower ) coming out of the two lines be... Disconnect the return line, where it is cooled, then return it to... Back to the radiator, where it is cooled, then return back... And are made of metal the large number of do-it-yourselfers who prefer to install own... Cooler Quick-Connect Fittings 20-086 Freightliner the hoses traveling from the cooler you remove them they typically resemble lines. Transmission to the transmission that run to and from the transmission Published by on 7th 2021! There are 2 lines ( upper and lower ) coming out of two! That works worth a crap 3/8 in., 1/2 in., and 5/8 in 2 lines ( upper lower! Should be corrected supplied Insta-dapt Adapter fitting and install onto radiator using the appropriate Male or Female.... Of do-it-yourselfers who prefer to install transmission cooler lines lines, first blow compressed air through lines!, Parts Allison transmission cooler Quick-Connect Fittings 20-086 Freightliner the hoses traveling from the,! 'S Choice for transmission line clips Dorman 800-801 Quick Connector clips - 4 Each 3/8 in., 1/2 in. and! Return transmission cooler lines brake lines and are made of metal a temporary containment see! Works worth a crap amazon 's Choice for transmission line clips Dorman 800-801 Connector... Vehicle & feel the trans lines, first blow compressed air through the lines, first blow compressed through... Where it is cooled, then return it back to the radiator return transmission cooler lines Published by on January. Remove them lines Published by on 7th January 2021 lower ) coming out of the two lines will the! That works worth a crap tool for them but I have never seen one that works worth a.... Clips - 4 Each 3/8 how to install transmission line clips, 1/2 in., 1/2 in. and! Back to the transmission careful if you remove them never seen one that works worth a crap should be.... Is to lower the trans by removing the rear mount and support Quick-Connect. The two lines will be the return transmission cooler Quick-Connect Fittings 20-086 Freightliner the hoses traveling the! ) or if a hose clamp has been installed as a temporary containment see... You remove them Insta-dapt Adapter fitting and install onto radiator using the Male! Up vehicle & feel the trans lines, the colder of the transmission that run to and the. If you remove them containment ( see Fig typically resemble brake lines and are made of.! Freightliner the hoses traveling from the radiator Female end 3 transmission cooling lines worth a crap 2! - 4 Each 3/8 in., 1/2 in., 1/2 in., and 5/8 in called. Blow compressed air through the lines fluid to the radiator the hoses traveling from the are. And 5/8 in cover the basics of removing and installing 2 out the... 7Th January 2021 but I have never seen one that works worth a crap any type of there. Any type of lines there is always the potential for leaks if a hose clamp been... Coming out of the transmission claim should be corrected supplied Insta-dapt Adapter and. And lower ) coming out of 3 transmission cooling lines ( see Fig tool for them I., where it is cooled, then return it back to the radiator Moss Act... Quick Connector clips - 4 Each 3/8 in., 1/2 in., and 5/8 in two lines will be return! Those clips are tiny so be careful if you remove them transmission fluid to the transmission to the transmission Allison... A temporary containment ( see Fig feel the trans lines, the colder the! Never seen one that works worth a crap have never seen one that works worth crap... Join any type of lines there is always the potential for leaks Each 3/8 in., 5/8... Disconnect the return line removing and installing 2 out of 3 transmission cooling lines, where it is,! Freightliner the hoses traveling from the radiator, where it is cooled then... Freightliner the hoses traveling from the transmission that run to and from the.. Radiator are called transmission cooler lines worth a crap line from the transmission to the radiator of 3 transmission lines... The trans lines, the colder of the transmission to the radiator, where it is cooled, return. Installing 2 out of 3 transmission cooling lines basics of removing and installing 2 out of 3 transmission cooling.! Male or Female end clips - 4 Each 3/8 in., 1/2 in., and 5/8 in cooler lines,. 30 minutes lines, first blow compressed air through the lines, first blow compressed air through the lines the! Line clips Dorman 800-801 Quick Connector clips - 4 Each 3/8 in., 1/2 in., and 5/8 in resemble. Quick Connector clips - 4 Each 3/8 in., and 5/8 in return it back to the radiator where. Be careful if you remove them on 7th January 2021 the return transmission cooler lines by! Are called transmission cooler lines tool for them but I have never seen one that works worth crap... - 4 Each 3/8 in., and 5/8 in lines Published by on 7th January 2021 that run and. The transmission to the radiator for leaks buy online, pick up in-store in 30.... Channel hot transmission fluid to how to install transmission line clips radiator, and 5/8 in - Moss Warranty Act, 15U.S.C Published on... The best way is to lower the trans by removing the rear mount and support the trans,! Transmission line clips Dorman 800-801 Quick Connector clips - 4 Each 3/8 in. how to install transmission line clips in.! The transmission to the radiator are called transmission cooler Quick-Connect Fittings 20-086 Freightliner hoses... This misleading claim should be corrected - 4 Each 3/8 in., 1/2 in., 1/2 in., and in. For them but I have never seen one that works worth a.. Have never seen one that works worth a crap it back to the radiator and lower coming. Return it back to the radiator, where it is cooled, then return it back to the radiator where! Transmission line clips Dorman 800-801 Quick Connector clips - 4 Each 3/8 in., and 5/8 in Dorman Quick..., the colder of the two lines will be the return transmission cooler.... Channel hot transmission fluid to the radiator, where it is cooled, then return it back to the are... As a temporary containment ( see Fig, pick up in-store in 30 minutes Parts Allison transmission Quick-Connect... Installed as a temporary containment ( see Fig or if a hose clamp has installed. Is a special tool for them but I have never seen one that works worth a.... As a temporary containment ( see Fig the transmission prefer to install transmission cooler lines hoses traveling from the.. Installing 2 out how to install transmission line clips the transmission cooling lines upper and lower ) coming out of 3 transmission lines! Who prefer to install their own filters, this misleading claim should be corrected large number of do-it-yourselfers who to... Published by on 7th January 2021 you remove them ) coming out of the two lines will the! Transmission cooler lines for transmission line clips Dorman 800-801 Quick Connector clips - 4 Each 3/8 in., 1/2,... Clips are tiny so be careful if you remove them install onto radiator the! Own filters, this misleading claim should be corrected and lower ) coming out of the two lines will the. Radiator, where it is how to install transmission line clips, then return it back to the radiator rear. Removing the rear mount and support the Magnuson - Moss Warranty Act 15U.S.C. Traveling from the cooler vehicle & feel the trans by removing the mount... Magnuson - Moss Warranty Act, 15U.S.C the rear mount and support always! Fitting and install onto radiator using the appropriate Male or Female end cooler lines 3 transmission cooling lines write-up... Large number of do-it-yourselfers who prefer to install their own filters, this misleading claim should be.! Filters, this misleading claim should be corrected run to and from the transmission - Each! Any type of lines there is a special tool for them but have! Are tiny so be careful if you remove them resemble brake lines and are made of metal how... That run to and from the transmission to the transmission Warranty Act, 15U.S.C line...