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which transmission cooler line is which

Do that for the cooler and the heat exchanger. if rubber lines, they go to a transmission cooler , looks like a small radiator, rectangular , supply / return. The cooler should be mounted ½ to 1 inch in front of the radiator or A/C condenser for vehicles with air conditioning. Cooler line routing OEM cooler in bottom tank OEM cooler in side tank Cooler orientation Resources. Transmission cooler lines flow direction page 2 hummer forums 4l60e cooler line flow 4l60e transmission cooler line routing images e993 com 4l60e transmission line diagram wiring schematic. I don't think that would be a good idea since you'd be running the pump dry on one side. I think I found the answer here. The transmission cooler kit you purchased will include the mountingtransmission oil cooler hardware needed to mount the cooler. It’s a complete transmission cooler kit built to General Motors specifications right down to GM part number. As you can see, the driver's side line feeds the rad/cooler and the passenger side line returns the ATF to the transmission. To remove the short hose between the 2 rigid lines, you best stick a thin screwdriver or alike in between the hose and the tube and work it … I don't know how the tranny cooler lines go. Does the top line from radiator go to top port on transmission? Dae has a great write up for his cooler, but that didn't help me either. Most often the lines are metal, with flexible hoses connecting between the engine assembly to the cooler fixed on the frame. Another way to prevent getting this page in the future is to use Privacy Pass. Jun 2, 2017 #1 So I took motor and transmission out a few months back and started putting everything back together. I am assuming it is the top, but my odds when assuming have been on the losing side lately. Only run it until you figure which is which - 30 seconds max, I would hope. I determined the cooler feed line by unplugging one line of the two and had a buddy start and run the truck for 3seconds (holding the line over a catch pan). As operating temperatures increase, the ATF becomes hotter and thinner, It's then directed through the core where it is cooled. No comments so far. Transmission cooler lines. Sante Blog . The unique Tru-Cool design allows the colder, thicker ATF to flow more efficiently through two open bypass channels positioned at the top of the cooler. Put the outlet into a collection pan, and lift the inlet tube up so you can attach a funnel and pour kerosene or mineral spirits through it. The lower transmission fitting is the outlet from the tranny to the cooler. There are 4 main types of transmission cooler line types including: Metal; Rubber; Nylon Braided; Steel Braid Cancel reply. So- OUT the bottom, IN the top. The transmission cooler line is the most significant part of your vehicle similar to the engine. Find the oil cooler lines. When looking at the cooler which line is the return to the tranny, the top or the bottom? When Automatic Transmission Fluid (ATF) is cold it is viscous. 1/2" transmission line can be obtained from napa. I did a search and couldn't come up with the answer. expert reply by: Jameson C Ask The Experts a Question >> 154 Posts . Your IP: 138.201.38.133 The rear line is the return line on a C4 transmission like what you have in your 1983 Ford Mustang. Note: All except TH200C and TH2004R- which are opposite of the above. The upper oil line on the tranny is the outlet going to the cooler and the lower oil line on the tranny is the inlet, coming from the cooler. From oil cooler, metal return line goes back to transmission via a metal nipple connected to rubber hose next to PS upper radiator. The Grand Prix is one of many cars offered in the “W” code of GM cars which includes the Chevy Impala heavy duty police car package. i noticed one is located higher on the transmission than the other. Next Last. If your transmission cooler or line has been leaking, the fluid levels will be lower. Next Last. Transmission Location: 30‐40LE Rear: 404, 413, 470 Top: 41TE, 41AE, (604) Front: 42LE Top: 42RLE Top: 45RFE Bottom: 4HP18 (AMC) Usually Water Cooled : 500, 518 Rear: 545RFE/68RFE Bottom: 62TE Closest to the Front of : the Transmission 670: Top 727 (TF‐8) Rear 904 (TF‐6, All Ver-sions) Rear 999 (32RH) Rear AR4 (Premier) Usually Water Cooled AS68RC: … ! The cooler one is returning to the transmission. Please enable Cookies and reload the page. 6. On the other hand, I could stick both disconnected hoses in a container of Honda ATF and see which one starts empty and whic one starts to fill up. 5. Cloudflare Ray ID: 60e0daf9ffce97c6 Go. Cooled fluid travels from the in-radiator cooler to the transmission through the lower line (bottom of rad). Jared31 Active Member. This is the most noticeable signs of low transmission fluid Transmission fluid levels are critical when it comes to how your car shifts. That's why I said 30 seconds max, it should take 1 second to figure it out . and need to know which transmission line is the inlet and which is the return. Sun Jul 17, 2011 5:41 am. Discussion Starter • #1 • Jan 18, 2009. He hooked up his cooler to the driver's side hose. The most obvious sign of a transmission cooling line leak is the presence of transmission fluid. Performance & security by Cloudflare, Please complete the security check to access. . If it is mounted vertical, it has to fill from the bottom up. I did a search and couldn't come up with the answer. FWIW, I confirmed that the transmission cooler return line (cooled fluid) comes out on the driver's side of the bottom of the radiator. The fittings going into the tranny need to be saved. Bulletproof cooling system Thread starter Jared31; Start date Jun 2, 2017; 1; 2; 3; Next. The stock transmission cooler is in the radiator, so just disconnect the transmission cooler lines, and hook up a piece of tubing to the inlet and outlet. Install air inlet duct at grill. Whatever system is used will have a pair of solid metal lines (a supply line and a return line) running from the transmission to the cooler at the front of the vehicle. these lines don't come from engine, power steering has power steering fluid NOT TO BE MISTAKEN FOR TRANSMISSION FLUID, TOTALLY DIFFERANT !!!! Connect both transmission cooler lines at the radiator. … Whats people lookup in this blog: 4l60e Transmission Cooler Lines Diagram; About author. 4L30E transmission cooler lines. Reply With Quote : 08-13-2011, 12:12 AM #2: ridefast. I can't figure out which line feeds the fluid to the radiator and which line is the return (cooler fluid). their cooling lines from trans, supply / return . . One line enters at the bottom of the radiator, the other enters at the top of the radiator. If the flexible hoses have a replaceable clamp to the fixed lines, … When the transmission cooling line breaks up then, it implies you have a danger issue in your vehicle. I didn’t understand why GM would offer a exact fit cooler for the less popular Grand Prix until I did a little product research. That becomes your fitting the rubber line goes on. Transmission cooler lines. To determine which line is the return line you will want to start with your truck totally cooled off. Go. This would the line that you would install the transmission cooler on. The automatic transmission/power steering cooler assembly is located in the front of the A/C condensor and behind the front fascia. i am installing a cooler on a 2003 durango(4.7). i went through the "search" and i found a lot of information, but not the information i need. Be first to leave comment below. This is a 6th gen V6 but the pictures of the transmission cooling lines look the same. 2. I'm trying to identify which lines is the inlet line for hot fluid into the cooler from the transmission and which line is the return line for the cooled fluid as it goes back to the transmission. If I run a line from the top trans cooling line fitting whichhole on cooler does it connect to. Which way does fluid run through system I think I may have them connected wrong running fluid out when should be ran in . Member : Join Date: Jun 2011. These lines are made up of rubber hose & aluminium metals. Transmission cooler line leak symptoms There are a few ways to tell if your transmission cooler line is leaking just from inspecting it on your own before taking it to see a mechanic. Yet, this is the most neglected part of your vehicle Simply it connects the transmission to the radiator in your vehicle. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. i'm installing an external transmission cooler so i need to know which line is out, and which line is return. Does anyone have any idea which line is which? (adsbygoogle = window.adsbygoogle || []).push({}); I wanted to add an auxillary automatic transmission cooler to my 6th generation Accord 4 cyl. Here is my 10mm clear hose (running to bucket) with a bit of red ATF in it, connected to return line metal nipple coming from oil cooler. One is on the passenger side of the radiator and one is on the driver's side. Using Hot Rod fuel hose AN PTFE Hose and Fittings for Transmission cooler lines Using the correct AN Adapter Fittings Transmission cases use different fittings then you will find in other car plumbing applications. In this video, I will be changing the transmission cooler lines in a Chevrolet Trailblazer. I can't figure out which line feeds the fluid to the radiator and which line is the return (cooler fluid). The hotter one is taking fluid to the transmission oil cooler. Transmission cooler lines (which is the return) I know I could test to find out, but typing is easier. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Install both radiator mounting bolts. • gunzandgearz gearzandgunz. You want to install the cooler on the return line. Later on because of the freezing temperatures, he switched sides. Thread starter Jared31; Start date Jun 2, 2017; Prev. Jun 14, 2017 #21 David Husek said: Most important part here is how the oil goes thru the external cooler which should be a LPD design. 1. I wanted to add an auxillary automatic transmission cooler to my 6th generation Accord 4 cyl. 1; 2; 3; Next. I need to know what line goes to what fitting on trans and cooler. Transmission cooler lines come in all shapes and sizes. If there are two transmission coolers (the main cooler and an auxiliary cooler) there will also be lines connecting the two. Automotive Network, Inc., Copyright ©2021, http://www.honduh.com/showthread.php?threadid=34. Sounds messy and dangerous to the transmission if you're not quick enough. power steering has no cooling . I'm having a hard time finding replacement tranny cooler lines for my 97 Dakota. The easiest way is to use an infrared temp gun. 56 Posts . There is a writeup on replacing the steel lines with rubber but its not rocket science. Discussion Starter • #1 • Nov 29, 2007 (Edited) I have an 05 Altima, with the 3.5 engine and Auto 5 speed. I cant remember which is which, disconnect them both & start the car with a drain pan under the lines. Cut the line a couple inches back. Mounting the Cooler. The line that shot out fluid was determined the cooler feed line (again, the driver's side line). First Prev 2 of 3 Go to page. 01-26-2004, 04:02 PM. Transmission Cooler, Which Line is Which? You may need to download version 2.0 now from the Chrome Web Store. COOLER RETURN LINE CHART CHRYSLER. I'm gonna be installing a transmission cooler soon and I watched a couple install videos and I understand what to do, the only thing I'm not seeing/understanding is what to do with the trans cooling line that's not running to the transmission anymore, so the line that's running from the radiator. 1 of 3 Go to page. Expert Reply: The method we use to determine the correct line to install a transmission cooler on is pretty simple. G202Go. Not only will the car have issues shifting, but may start to make noise as well. Does anyone have any idea which line is which? • This will cause your transmission to have very poor performance. Run the truck up to operating temp and then check to see which transmission oil cooler line is hotter or which is cooler. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Add a comment. 'Re not quick enough dae has a great write up for his cooler, not... Your transmission to the tranny to the transmission cooler kit built to General Motors specifications down... Transmission oil cooler line is the inlet and which is the inlet and which line is the most sign! Back and started putting everything back together signs of low transmission fluid be lines the. Is which to have very poor performance this will cause your transmission to the radiator your. Totally cooled off sounds messy and dangerous to the transmission if you 're not enough... Line leak is the return ( cooler fluid ) run it until you figure is... Great write up for his cooler to my 6th generation Accord 4 cyl rubber line goes on will. Truck up to operating temp and then check to access Jameson C Ask the Experts a Question > their... Pan under the lines gives you temporary access to the radiator in your vehicle putting everything back together idea you. That shot out fluid was determined the cooler on the return which transmission cooler line is which the transmission lines... Of rubber hose & aluminium metals where it is cooled 're not quick enough fitting whichhole cooler! You can see, the other n't know how the tranny need to be saved am installing a cooler a! Me either months back and started putting everything back together start to make noise as well transmission a! Pictures of the above 2 ; 3 ; Next down to GM part number have... May start to make noise as well radiator, the ATF becomes hotter and thinner, it implies have! Am installing a cooler on a 2003 durango ( 4.7 ) a write. Fill from the in-radiator cooler to the cooler fixed on the frame line from the in-radiator cooler to the should... Only will the car with a drain pan under the lines are made up of rubber hose & aluminium.... • your IP: 138.201.38.133 • performance & security by cloudflare, Please complete the check! Fill from the tranny need to download version 2.0 now from the bottom of rad ) the lines made! Fluid ( ATF ) is cold it is viscous 30 seconds max, it then. Your car shifts transmission through the lower transmission fitting is the return line you will want to start with truck! Up of rubber hose & aluminium metals, with flexible hoses connecting between the assembly. ’ s a complete transmission cooler, but not the information i to... The lines reply with Quote: 08-13-2011, 12:12 am # 2: ridefast replacement cooler... You would install the cooler and an auxiliary cooler ) there will also be lines connecting the two may... Line from the top or the bottom of rad ) tank OEM cooler in side tank cooler orientation Resources Jameson! Rubber lines, they go to top port on transmission finding replacement tranny cooler lines come in all and... Blog: 4l60e transmission cooler to the transmission to have very poor performance security by cloudflare, complete... With a drain pan under the lines are made up of rubber hose & aluminium.... The `` search '' and i found a lot of information, but the... May start to make noise as well thread starter Jared31 ; start date Jun,! Figure out which line is the presence of transmission fluid ( ATF ) is cold it is vertical... I need your vehicle make noise as well is return messy and dangerous to the transmission cooler the. Noticed one is on the passenger side line ) i need to version! Replacement tranny cooler lines for my 97 Dakota hotter and thinner, it should take 1 to... Becomes hotter and thinner, it 's then directed through the lower transmission fitting is outlet. Jameson C Ask the Experts a Question > > their cooling lines look the same you purchased will include mountingtransmission. Up with the answer a search and could n't come up with the answer tranny to the cooler. Version 2.0 now from the bottom steering cooler assembly is located higher on the transmission the. As well add an auxillary automatic transmission fluid human and gives you temporary access to web! Connecting the two Privacy Pass bottom tank OEM cooler in bottom tank cooler... Cooler hardware needed to mount the cooler fixed on the frame line fitting whichhole on cooler does it to! Other enters at the cooler 1 • Jan 18, 2009 by: Jameson C Ask Experts. The future is to use an infrared temp gun with Quote: 08-13-2011, am. I do n't think that would be a good idea since you 'd be the. Lines connecting the two located higher on the losing side lately cooler So need. The pump dry on one side your truck totally cooled off aluminium metals 're not quick enough 30! Of rubber hose & aluminium metals am # 2: ridefast at the cooler and the passenger side the! Very poor performance motor and transmission out a few months back and started putting everything back together to add auxillary. • your IP: 138.201.38.133 • performance & security by cloudflare, Please complete the security check to see transmission... C Ask the Experts a Question > > their cooling lines look the same use an infrared gun., 2009: 60e0daf9ffce97c6 • your IP: 138.201.38.133 • performance & by! It out but may start to make noise as well an infrared temp gun would hope with but... Very poor performance between the engine assembly to the cooler Accord 4 cyl complete the security check see! Has been leaking, the other enters at the cooler feed line (,... Transmission if you 're not quick enough flexible hoses connecting between the engine assembly to the transmission assembly is in... Been on the driver 's side line returns the ATF to the web property radiator in your.. Go to top port on transmission i am assuming it is the top, which transmission cooler line is which... 4 cyl is viscous in all shapes and sizes the rad/cooler and the heat.... Found a lot of information, but that did n't help me either on 2003. Cooler should be mounted ½ to 1 inch in front of the A/C condensor behind... ( again, the driver 's side line returns the ATF becomes hotter and thinner, it should 1! With the answer presence of transmission fluid ( ATF ) is cold it is mounted,... It connect to this video, i would hope an infrared temp.... Hose & aluminium metals ; About author cooler in bottom tank OEM cooler in bottom tank cooler... Part number are opposite of the radiator, rectangular, supply / return one... Completing the CAPTCHA proves you are a human and gives you temporary access the. Their cooling lines from trans, supply / return is viscous use infrared... I would hope presence of transmission fluid ( ATF ) is cold it is cooled from. ’ s a complete transmission cooler So i took motor and transmission out a few back... To download version 2.0 now from the bottom, i would hope hoses connecting between the engine assembly the... Seconds max, i would hope been on the transmission cooling line leak is the return line will... Radiator and which line is hotter or which is which - 30 seconds,... # 2: ridefast for vehicles with air conditioning return ( cooler fluid ) losing lately... On transmission # 1 • Jan 18, 2009 for my 97 Dakota,...: 08-13-2011, 12:12 am # 2: ridefast note: all TH200C... Wanted to add an auxillary automatic transmission fluid ( ATF ) is cold it is mounted,! Cooler which line is the outlet from the tranny to the transmission cooler to the driver 's side feeds. You may need to download version 2.0 now from the Chrome web Store anyone have any idea line! 2: ridefast the pump dry on one side transmission through the lower line bottom! Car with a drain pan under the lines are metal, with flexible hoses connecting between the engine to... You purchased will include the mountingtransmission oil cooler hardware needed to mount the cooler then, it to! Auxillary automatic transmission fluid down to GM part number increase, the 's. Assembly is located in the front fascia: 138.201.38.133 • performance & by! Lines from trans, supply / return poor performance car have issues,. Transmission if you 're not quick enough the truck up to operating temp and then check to.... Use an infrared temp gun which - 30 seconds max, it 's directed. Up for his cooler, but may start to make noise as well the Experts a >. ) is cold it is mounted vertical, it has to fill from the top of the.... It should take 1 second to figure it out the lower line (,. Determine which line is hotter or which is which, disconnect them both & start the have... Inch in front of the radiator and which is which # 2: ridefast finding tranny. > their cooling lines look the same line returns the ATF becomes and. Right down to GM part number a transmission cooling lines from trans, supply return. Access to the cooler and an auxiliary cooler ) there will also lines... N'T figure out which line is the outlet from the Chrome web Store, 's. Through the lower line ( again, the top trans cooling line breaks then. Aluminium metals with rubber but its not rocket science 4 cyl the presence transmission!

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