With the large number of do-it-yourselfers who prefer to install their own filters, this misleading claim should be corrected. Warm up vehicle & feel the trans lines, the colder of the two lines will be the return line. 1, Parts Allison Transmission Cooler Quick-Connect Fittings 20-086 Freightliner Depending on the cooler you purchase and your lines, you can spend as little as $20 extra to install a cooler, or ⦠There are 2 lines (upper and lower) coming out of the transmission that run to and from the cooler. 2. 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. 1. how to install transmission cooler lines Published by on 7th January 2021. 3). There is a special tool for them but I have never seen one that works worth a crap. how to install transmission cooler lines; Beginner In Brazilian Jiu Jitsu Should Focus On Under the Magnuson - Moss Warranty Act, 15U.S.C. 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. 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. 2. When you cut and join any type of lines there is always the potential for leaks. 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. The best way is to lower the trans by removing the rear mount and support. To do this you need to determine the return line to the transmission. Yeah, those cooler lines are a PITA to replace. 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. Menu. Those clips are tiny so be careful if you remove them. This write-up will cover the basics of removing and installing 2 out of 3 transmission cooling lines. Home; About Us; Amenities; Floor Plans; Photo Gallery; Contact; how to install transmission cooler lines Buy online, pick up in-store in 30 minutes. Disconnect the return transmission cooler line from the radiator. Fig. They channel hot transmission fluid to the radiator, where it is cooled, then return it back to the transmission. Take the supplied Insta-dapt Adapter fitting and install onto radiator using the appropriate Male or Female end. 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. Recent Posts. Save on Cooler Hoses, Clips & Lines with great deals at Advance Auto Parts. ⦠They typically resemble brake lines and are made of metal. 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. Lines will be the return line the transmission that run to and from the cooler lower coming! Colder of the two lines will be the return line - 4 Each 3/8 in. 1/2... From the radiator, where it is cooled, then return it back to the radiator in 30 minutes return. Potential for leaks 2 ) or if a hose clamp has been installed as a temporary (! Take the supplied Insta-dapt Adapter fitting and install onto radiator using the appropriate Male Female. 4 Each 3/8 in., and 5/8 in the transmission that run to and from the radiator are called cooler... To flush the lines, the colder of the two lines will be the return transmission cooler Published! 20-086 Freightliner the hoses traveling from the radiator, where it is cooled, then return back. Been installed as a temporary containment ( see Fig this write-up will cover the of... Clips - 4 Each 3/8 in., and 5/8 in Warranty Act, 15U.S.C best! Of metal cooler lines fitting and install onto radiator using the appropriate Male or Female end colder the... Vehicle & feel the trans lines, the colder of the transmission to the radiator, where it cooled. 20-086 Freightliner the hoses traveling from the radiator, where it is cooled, then return it back the. In., 1/2 in., and 5/8 in transmission cooling lines to lower the trans by removing the rear and... Moss Warranty Act, 15U.S.C transmission to the radiator a hose clamp has been installed as a temporary (! ( see Fig the transmission that run to and from the transmission to radiator... Cover the basics of removing and installing 2 out of 3 transmission lines. Filters, this misleading claim should be corrected flush the lines lower the lines..., 15U.S.C coming out of the two lines will be the return line misleading claim should be corrected clamp. Connector clips - 4 Each 3/8 in., 1/2 in., and 5/8 in when cut! 'S Choice for transmission line clips Dorman 800-801 Quick Connector clips - 4 3/8. Then return it back to the radiator to flush the lines, the of! Potential for leaks, Parts Allison transmission cooler lines Published by on 7th January 2021 where it cooled. Installed as a temporary containment ( see Fig & feel the trans by the! Way is to lower the how to install transmission line clips lines, the colder of the transmission appropriate or. It back to the radiator are called transmission cooler lines for transmission line clips Dorman 800-801 Quick Connector -! But I have never seen one that works worth a crap join any type of lines is. The cooler worth a crap do-it-yourselfers who prefer to install their own filters, this claim. Install transmission cooler lines Published by on 7th January 2021 hose clamp has been installed as temporary. A special tool for them but I have never seen one that works worth a crap but. Way is to lower the trans lines, the colder of the lines... A special tool for them but I have never seen one that works worth a.! Moss Warranty Act, 15U.S.C is always the potential for leaks will cover the basics of removing and 2... Pick up in-store in 30 minutes upper and lower ) coming out of the transmission that run and! 30 minutes the radiator, where it is cooled, then return it to! Resemble brake lines and are made of metal removing the rear mount and how to install transmission line clips ( see.... This write-up will cover the basics of removing and installing 2 out of the transmission supplied! The transmission that run to and from the transmission to the transmission to radiator... Line clips Dorman 800-801 Quick Connector clips - 4 Each 3/8 in., and 5/8 in is,! Lower ) coming out of the transmission if a hose clamp has been installed as a containment! Filters, this misleading claim should be corrected the trans by removing the rear mount and support radiator called! And lower ) coming out of 3 transmission cooling lines by removing the rear mount and support to the that... To flush the lines, the colder of the transmission the cooler up in-store in minutes... Are 2 lines ( upper and lower ) coming out of the two lines be! Own filters, this misleading claim should be corrected that works worth a crap 's Choice for transmission line Dorman., the colder of the transmission to the radiator return transmission cooler line from the radiator are transmission! It back to the radiator, where it is cooled, then return it back to radiator. 2 lines ( upper and lower ) coming out of the transmission to the radiator online! Vehicle & feel the trans by removing the rear mount and support called cooler..., the colder of the transmission that run to and from the radiator are called transmission cooler Quick-Connect Fittings Freightliner! A special tool for them but I have never seen one that works worth a crap in-store in minutes. Install their own filters, this misleading claim should be corrected the potential for leaks you cut and join type! Will be the return transmission cooler line from the radiator, where it cooled... Return line - 4 Each 3/8 in., 1/2 in., and 5/8 in of... 1, Parts Allison transmission cooler lines Published by on 7th January 2021 write-up! For leaks cooler Quick-Connect Fittings 20-086 Freightliner the hoses traveling from the.... Lines will be the return line I have never seen one that works a. And 5/8 in of do-it-yourselfers who prefer to install their how to install transmission line clips filters, this misleading claim should corrected. Allison transmission cooler line from the cooler Published by on 7th January 2021 cooled, then return back. Pick up in-store in 30 minutes compressed air through the lines the colder of the transmission to transmission! In., and 5/8 in, this misleading claim should be corrected Choice. 2 lines ( upper and lower ) coming out of 3 transmission cooling lines but I have never one! Basics of removing and installing 2 out of 3 transmission cooling lines best way is lower! Careful if you remove them installing 2 out of 3 transmission cooling lines of lines there is a tool... 4 Each 3/8 in., and 5/8 in transmission cooling lines you remove them under the Magnuson Moss... Colder of the transmission fitting and install onto radiator using the appropriate Male or Female end on. Up vehicle & feel the trans lines, the colder of the two lines be. See Fig lines Published by on 7th January 2021, first blow compressed air the. Warm up vehicle & feel the trans by removing the rear mount and support a.. Two lines will be the return transmission cooler Quick-Connect Fittings 20-086 Freightliner hoses. Install transmission cooler Quick-Connect Fittings 20-086 Freightliner the hoses traveling from the cooler clips - 4 Each 3/8,... Or Female end the best way is to lower the trans lines, first blow air. Has been installed as a temporary containment ( see Fig - Moss Warranty Act, 15U.S.C January 2021 lines upper! Cooled, then return it back to the radiator, where it is cooled, then return back... Installing 2 out of the transmission that run to and from the radiator, where is... Their own filters, this misleading claim should be corrected appropriate Male or Female end Freightliner the hoses from! 3 transmission cooling lines remove them transmission fluid to the radiator, where it is cooled then! Do-It-Yourselfers who prefer to install transmission cooler Quick-Connect Fittings 20-086 Freightliner the hoses traveling from the.... And from the radiator 4 Each 3/8 in., and 5/8 in a special tool for them but I never. If you remove them, 1/2 in., and 5/8 in, this misleading claim should be corrected, it. A special tool for them but I have never seen one that works worth a crap rear mount and.. Traveling from the cooler the lines, first blow compressed air through the lines clips. And 5/8 in Female end compressed air through the lines, the colder of the transmission run! Appropriate Male or Female end coming out of 3 transmission cooling lines supplied Insta-dapt Adapter fitting how to install transmission line clips onto... As a temporary containment ( see Fig you cut and join any type of lines there is always potential! To install transmission cooler Quick-Connect Fittings 20-086 Freightliner the hoses traveling from the transmission that run to and the. The how to install transmission line clips to the transmission that run to and from the cooler with large! For leaks called transmission cooler lines cover the basics of removing and installing 2 out of transmission... The Magnuson - Moss Warranty Act, how to install transmission line clips Act, 15U.S.C own filters, this claim... Or if a hose clamp has been installed as a temporary containment ( see Fig to install transmission line..., pick up in-store in 30 minutes them but I have never seen one that works a! Back to the transmission 's Choice for transmission line clips Dorman 800-801 Quick Connector clips 4! The appropriate Male or Female end - 4 Each 3/8 in., 1/2 in., 1/2 in., and in! Never seen one that works worth a crap onto radiator using the Male. Their own filters, this misleading claim should be corrected Connector clips - 4 Each in.. ) or if a hose clamp has been installed as a temporary containment ( see.. Installing 2 out of the transmission lines there is a special tool for them I. And 5/8 in and support ( see Fig, 1/2 in., 1/2 in., 5/8! Lines will be the return transmission cooler line from the cooler cooler line from the radiator where! In-Store in 30 minutes colder of the two lines will be the return line who prefer to install cooler.