Not only will the car have issues shifting, but may start to make noise as well. Thread starter Jared31; Start date Jun 2, 2017; 1; 2; 3; Next. Go. 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. You want to install the cooler on the return line. Cooler line routing OEM cooler in bottom tank OEM cooler in side tank Cooler orientation Resources. 01-26-2004, 04:02 PM. 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. gunzandgearz gearzandgunz. Whats people lookup in this blog: 4l60e Transmission Cooler Lines Diagram; About author. power steering has no cooling . One line enters at the bottom of the radiator, the other enters at the top of the radiator. 1; 2; 3; Next. Transmission Cooler, Which Line is Which? He hooked up his cooler to the driver's side hose. Thread starter Jared31; Start date Jun 2, 2017; Prev. The cooler should be mounted ½ to 1 inch in front of the radiator or A/C condenser for vehicles with air conditioning. • Which way does fluid run through system I think I may have them connected wrong running fluid out when should be ran in G202Go. 1/2" transmission line can be obtained from napa. Transmission cooler lines come in all shapes and sizes. Cut the line a couple inches back. That's why I said 30 seconds max, it should take 1 second to figure it out . The fittings going into the tranny need to be saved. It’s a complete transmission cooler kit built to General Motors specifications right down to GM part number. I think I found the answer here. 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 installing an external transmission cooler so i need to know which line is out, and which line is return. Discussion Starter • #1 • Nov 29, 2007 (Edited) I have an 05 Altima, with the 3.5 engine and Auto 5 speed. (adsbygoogle = window.adsbygoogle || []).push({}); I wanted to add an auxillary automatic transmission cooler to my 6th generation Accord 4 cyl. Cooled fluid travels from the in-radiator cooler to the transmission through the lower line (bottom of rad). One is on the passenger side of the radiator and one is on the driver's side. 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. The automatic transmission/power steering cooler assembly is located in the front of the A/C condensor and behind the front fascia. Bulletproof cooling system I don't know how the tranny cooler lines go. 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. 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 … Transmission cooler lines. Does the top line from radiator go to top port on transmission? These lines are made up of rubber hose & aluminium metals. Discussion Starter • #1 • Jan 18, 2009. Do that for the cooler and the heat exchanger. Be first to leave comment below. i am installing a cooler on a 2003 durango(4.7). 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. 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. Please enable Cookies and reload the page. Cloudflare Ray ID: 60e0daf9ffce97c6 Go. This is a 6th gen V6 but the pictures of the transmission cooling lines look the same. The line that shot out fluid was determined the cooler feed line (again, the driver's side line). i noticed one is located higher on the transmission than the other. As you can see, the driver's side line feeds the rad/cooler and the passenger side line returns the ATF to the transmission. Add a comment. Jun 2, 2017 #1 So I took motor and transmission out a few months back and started putting everything back together. 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. The easiest way is to use an infrared temp gun. Expert Reply: The method we use to determine the correct line to install a transmission cooler on is pretty simple. That becomes your fitting the rubber line goes on. The transmission cooler kit you purchased will include the mountingtransmission oil cooler hardware needed to mount the cooler. COOLER RETURN LINE CHART CHRYSLER. 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. 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. Sounds messy and dangerous to the transmission if you're not quick enough. Does anyone have any idea which line is which? Cancel reply. 1 of 3 Go to page. ! Install air inlet duct at grill. Install both radiator mounting bolts. 6. I wanted to add an auxillary automatic transmission cooler to my 6th generation Accord 4 cyl. There are 4 main types of transmission cooler line types including: Metal; Rubber; Nylon Braided; Steel Braid When the transmission cooling line breaks up then, it implies you have a danger issue in your vehicle. If your transmission cooler or line has been leaking, the fluid levels will be lower. Transmission cooler lines. 1. No comments so far. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. their cooling lines from trans, supply / return . If the flexible hoses have a replaceable clamp to the fixed lines, … I did a search and couldn't come up with the answer. 2. 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. Yet, this is the most neglected part of your vehicle Simply it connects the transmission to the radiator in your vehicle. and need to know which transmission line is the inlet and which is the return. Next Last. . Sun Jul 17, 2011 5:41 am. 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. If there are two transmission coolers (the main cooler and an auxiliary cooler) there will also be lines connecting the two. 4L30E transmission cooler lines. The most obvious sign of a transmission cooling line leak is the presence of transmission fluid. 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. 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 lower transmission fitting is the outlet from the tranny to the cooler. expert reply by: Jameson C Ask The Experts a Question >> I cant remember which is which, disconnect them both & start the car with a drain pan under the lines. This would the line that you would install the transmission cooler on. Jared31 Active Member. Note: All except TH200C and TH2004R- which are opposite of the above. Next Last. If it is mounted vertical, it has to fill from the bottom up. 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. 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 transmission cooler line is the most significant part of your vehicle similar to the engine. Reply With Quote : 08-13-2011, 12:12 AM #2: ridefast. 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. To determine which line is the return line you will want to start with your truck totally cooled off. Later on because of the freezing temperatures, he switched sides. Member : Join Date: Jun 2011. … There is a writeup on replacing the steel lines with rubber but its not rocket science. Another way to prevent getting this page in the future is to use Privacy Pass. Find the oil cooler lines. This is the most noticeable signs of low transmission fluid Transmission fluid levels are critical when it comes to how your car shifts. Run the truck up to operating temp and then check to see which transmission oil cooler line is hotter or which is cooler. if rubber lines, they go to a transmission cooler , looks like a small radiator, rectangular , supply / return. 56 Posts . Automotive Network, Inc., Copyright ©2021, http://www.honduh.com/showthread.php?threadid=34. 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: … . Sante Blog . I can't figure out which line feeds the fluid to the radiator and which line is the return (cooler fluid). 5. This will cause your transmission to have very poor performance. When looking at the cooler which line is the return to the tranny, the top or the bottom? I'm having a hard time finding replacement tranny cooler lines for my 97 Dakota. I need to know what line goes to what fitting on trans and cooler. So- OUT the bottom, IN the top. these lines don't come from engine, power steering has power steering fluid NOT TO BE MISTAKEN FOR TRANSMISSION FLUID, TOTALLY DIFFERANT !!!! 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). First Prev 2 of 3 Go to 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. I can't figure out which line feeds the fluid to the radiator and which line is the return (cooler fluid). Does anyone have any idea which line is which? I am assuming it is the top, but my odds when assuming have been on the losing side lately. When Automatic Transmission Fluid (ATF) is cold it is viscous. Connect both transmission cooler lines at the radiator. • 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. 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 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. Performance & security by Cloudflare, Please complete the security check to access. I don't think that would be a good idea since you'd be running the pump dry on one side. i went through the "search" and i found a lot of information, but not the information i need. Your IP: 138.201.38.133 If I run a line from the top trans cooling line fitting whichhole on cooler does it connect to. Most often the lines are metal, with flexible hoses connecting between the engine assembly to the cooler fixed on the frame. I did a search and couldn't come up with the answer. 154 Posts . In this video, I will be changing the transmission cooler lines in a Chevrolet Trailblazer. The rear line is the return line on a C4 transmission like what you have in your 1983 Ford Mustang. The cooler one is returning to the transmission. As operating temperatures increase, the ATF becomes hotter and thinner, It's then directed through the core where it is cooled. Mounting the Cooler. , and which is the return ( cooler fluid ) 2.0 now from the web! 4L60E transmission cooler lines come in all shapes and sizes V6 but the pictures the. Increase, the other if rubber lines, they go to top port on transmission your fitting rubber... Replacement tranny cooler lines come in all shapes and sizes complete transmission cooler on the losing side.... 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