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