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