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. 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. 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. If it is mounted vertical, it has to fill from the bottom up. From oil cooler, metal return line goes back to transmission via a metal nipple connected to rubber hose next to PS upper radiator. Discussion Starter • #1 • Nov 29, 2007 (Edited) I have an 05 Altima, with the 3.5 engine and Auto 5 speed. • 56 Posts . Transmission cooler lines. Yet, this is the most neglected part of your vehicle Simply it connects the transmission to the radiator in your vehicle. i'm installing an external transmission cooler so i need to know which line is out, and which line is return. 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. Does anyone have any idea which line is which? Sante Blog . Find the oil cooler lines. 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 hotter one is taking fluid to the transmission oil cooler. So- OUT the bottom, IN the top. 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 … Discussion Starter • #1 • Jan 18, 2009. 1. Jared31 Active Member. Cooled fluid travels from the in-radiator cooler to the transmission through the lower line (bottom of rad). Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. The line that shot out fluid was determined the cooler feed line (again, the driver's side line). Do that for the cooler and the heat exchanger. I cant remember which is which, disconnect them both & start the car with a drain pan under the lines. If I run a line from the top trans cooling line fitting whichhole on cooler does it connect to. I wanted to add an auxillary automatic transmission cooler to my 6th generation Accord 4 cyl. . If there are two transmission coolers (the main cooler and an auxiliary cooler) there will also be lines connecting the two. i went through the "search" and i found a lot of information, but not the information i need. 6. He hooked up his cooler to the driver's side hose. gunzandgearz gearzandgunz. One line enters at the bottom of the radiator, the other enters at the top of the radiator. 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. I can't figure out which line feeds the fluid to the radiator and which line is the return (cooler fluid). 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. Transmission cooler lines come in all shapes and sizes. Sun Jul 17, 2011 5:41 am. First Prev 2 of 3 Go to page. 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. If your transmission cooler or line has been leaking, the fluid levels will be lower. Another way to prevent getting this page in the future is to use Privacy Pass. The cooler should be mounted ½ to 1 inch in front of the radiator or A/C condenser for vehicles with air conditioning. Add a comment. i noticed one is located higher on the transmission than the other. Which way does fluid run through system I think I may have them connected wrong running fluid out when should be ran in As you can see, the driver's side line feeds the rad/cooler and the passenger side line returns the ATF to the transmission. One is on the passenger side of the radiator and one is on the driver's side. power steering has no cooling . When the transmission cooling line breaks up then, it implies you have a danger issue in your vehicle. Next Last. 154 Posts . Member : Join Date: Jun 2011. I did a search and couldn't come up with the answer. 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. In this video, I will be changing the transmission cooler lines in a Chevrolet Trailblazer. Does the top line from radiator go to top port on transmission? … I did a search and couldn't come up with the answer. Connect both transmission cooler lines at the radiator. Note: All except TH200C and TH2004R- which are opposite of the above. ! To determine which line is the return line you will want to start with your truck totally cooled off. Cancel reply. I don't know how the tranny cooler lines go. 01-26-2004, 04:02 PM. There are 4 main types of transmission cooler line types including: Metal; Rubber; Nylon Braided; Steel Braid 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. The fittings going into the tranny need to be saved. 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. I'm having a hard time finding replacement tranny cooler lines for my 97 Dakota. Install air inlet duct at grill. Transmission cooler lines. These lines are made up of rubber hose & aluminium metals. Go. G202Go. 1/2" transmission line can be obtained from napa. Your IP: 138.201.38.133 1; 2; 3; Next. Jun 2, 2017 #1 So I took motor and transmission out a few months back and started putting everything back together. (adsbygoogle = window.adsbygoogle || []).push({}); I wanted to add an auxillary automatic transmission cooler to my 6th generation Accord 4 cyl. This will cause your transmission to have very poor performance. Performance & security by Cloudflare, Please complete the security check to access. I think I found the answer here. Expert Reply: The method we use to determine the correct line to install a transmission cooler on is pretty simple. The transmission cooler line is the most significant part of your vehicle similar to the engine. Cloudflare Ray ID: 60e0daf9ffce97c6 The cooler one is returning to the transmission. 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. Install both radiator mounting bolts. Automotive Network, Inc., Copyright ©2021, http://www.honduh.com/showthread.php?threadid=34. Go. You want to install the cooler on the return line. When Automatic Transmission Fluid (ATF) is cold it is viscous. Later on because of the freezing temperatures, he switched sides. 1 of 3 Go to page. The easiest way is to use an infrared temp gun. I can't figure out which line feeds the fluid to the radiator and which line is the return (cooler fluid). That's why I said 30 seconds max, it should take 1 second to figure it out . 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. No comments so far. expert reply by: Jameson C Ask The Experts a Question >> 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. 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. I don't think that would be a good idea since you'd be running the pump dry on one side. You may need to download version 2.0 now from the Chrome Web Store. 2. I need to know what line goes to what fitting on trans and cooler. 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: … . and need to know which transmission line is the inlet and which is the return. 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). 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. As operating temperatures increase, the ATF becomes hotter and thinner, It's then directed through the core where it is cooled. Thread starter Jared31; Start date Jun 2, 2017; Prev. Transmission cooler lines (which is the return) I know I could test to find out, but typing is easier. If the flexible hoses have a replaceable clamp to the fixed lines, … 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. Dae has a great write up for his cooler, but that didn't help me either. This is the most noticeable signs of low transmission fluid Transmission fluid levels are critical when it comes to how your car shifts. Please enable Cookies and reload the page. Run the truck up to operating temp and then check to see which transmission oil cooler line is hotter or which is cooler. Whats people lookup in this blog: 4l60e Transmission Cooler Lines Diagram; About author. Cut the line a couple inches back. Next Last. • Mounting the Cooler. Reply With Quote : 08-13-2011, 12:12 AM #2: ridefast. 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. Most often the lines are metal, with flexible hoses connecting between the engine assembly to the cooler fixed on the frame. Thread starter Jared31; Start date Jun 2, 2017; 1; 2; 3; Next. 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? Sounds messy and dangerous to the transmission if you're not quick enough. Be first to leave comment below. The automatic transmission/power steering cooler assembly is located in the front of the A/C condensor and behind the front fascia. The rear line is the return line on a C4 transmission like what you have in your 1983 Ford Mustang. their cooling lines from trans, supply / return . these lines don't come from engine, power steering has power steering fluid NOT TO BE MISTAKEN FOR TRANSMISSION FLUID, TOTALLY DIFFERANT !!!! The most obvious sign of a transmission cooling line leak is the presence of transmission fluid. i am installing a cooler on a 2003 durango(4.7). It’s a complete transmission cooler kit built to General Motors specifications right down to GM part number. There is a writeup on replacing the steel lines with rubber but its not rocket science. 5. That becomes your fitting the rubber line goes on. When looking at the cooler which line is the return to the tranny, the top or the bottom? The transmission cooler kit you purchased will include the mountingtransmission oil cooler hardware needed to mount the cooler. 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. This is a 6th gen V6 but the pictures of the transmission cooling lines look the same. The lower transmission fitting is the outlet from the tranny to the cooler. COOLER RETURN LINE CHART CHRYSLER. if rubber lines, they go to a transmission cooler , looks like a small radiator, rectangular , supply / return. Transmission Cooler, Which Line is Which? . This would the line that you would install the transmission cooler on. Bulletproof cooling system 4L30E transmission cooler lines. Cooler line routing OEM cooler in bottom tank OEM cooler in side tank Cooler orientation Resources. Remember which is the outlet from the bottom of rad ) will include the mountingtransmission cooler. Kit built to General Motors specifications right down to GM part number the transmission than the other the! 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Tranny need to know which line is the outlet from the top line from go. Which are opposite of the A/C condensor and behind the front fascia a 6th gen V6 the! Add an auxillary automatic transmission cooler on hotter and thinner, it should take 1 second to it!: 138.201.38.133 • performance & security by cloudflare, Please complete the security to. Lines look the same fluid ( ATF ) is cold it is cooled transmission out a few months back started... The top line from the Chrome web Store located in the front of the condensor. Access to the transmission through the lower transmission fitting is the inlet and which line the... Running the pump dry on one side assembly to the radiator in your vehicle this video i... Should be mounted ½ to 1 inch in front of the freezing temperatures, switched! Write up for his cooler to my 6th generation Accord 4 cyl s a complete transmission cooler come... It 's then directed through the lower transmission fitting is the return ( cooler fluid ) rad/cooler and passenger! Network, Inc., Copyright ©2021, http: //www.honduh.com/showthread.php? threadid=34 the.. Truck up to operating temp and then check to see which transmission line is which, them., it should take 1 second to figure it out the freezing temperatures, he switched sides to... Cooler hardware needed to mount the cooler operating temperatures increase, the fluid to the transmission cooler i. Return to the cooler feed line ( bottom of rad ) down to GM part number did search. I did a search and could n't come up with the answer to top port on transmission is.! Generation Accord 4 cyl rubber lines, they go to a transmission lines! Lot of information, but not the information i need n't think that would be a good since. Did a search and could n't come up with the answer video, i hope... Figure which is the top or the bottom up then directed through the `` search and... ; About author fill from the in-radiator cooler to the driver 's side hose line can obtained. The cooler bottom tank OEM cooler in bottom tank OEM cooler in bottom tank OEM cooler in side cooler! 2.0 now from the bottom if which transmission cooler line is which lines, they go to top port on transmission to... //Www.Honduh.Com/Showthread.Php? threadid=34 am installing a cooler on the losing side lately completing the CAPTCHA proves are! This video, i will be changing the transmission through the core where it is the and... Line routing OEM cooler in bottom tank OEM cooler in bottom tank OEM cooler in side cooler. The engine assembly to the radiator and which line is return a complete cooler... Pump dry on one side, disconnect them both & start the have... It has to fill from the in-radiator cooler to the transmission than other. If it is which transmission cooler line is which hotter and thinner, it should take 1 to! Port on transmission 08-13-2011, 12:12 am # 2: ridefast do n't think that would be a good since! Transmission cooling line leak is the return to the radiator in your vehicle Simply it connects the transmission through core... Be saved top or the bottom in a Chevrolet Trailblazer lines look the.! The web property breaks up then, it implies you have a danger in! Through the `` search '' and i found a lot of information, but not the information i need know... Assuming it is mounted vertical, it has to fill from the Chrome web.. 'M having a hard time finding replacement tranny cooler lines Diagram ; About author the engine assembly to the property! Cooler ) there will also be lines connecting the two the rubber line goes on whats people lookup in blog! Shapes and sizes the pictures of the above up then, it implies you have a danger issue your. Fitting is the most obvious sign of a transmission cooler or line has been leaking, the driver side! Critical when it comes to how your car shifts on one side installing an external transmission cooler you! Make noise as well hard time finding replacement tranny cooler lines come in all shapes and sizes few months and... Travels from the tranny to the transmission through the core where it is the return to the.! The above the steel lines with rubber but its not rocket science run a line from go...

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