It's not the most scientific approach, but it'd be worth a check on your truck? The smaller lines will restrict the transmission fluid flow. Transmission cooler use oncoming air to help disperse heat that is generated from the hot trans fluid, and cools the fluid down as it flows through the entirety of the cooler. Jump to Latest Follow 1 - 6 of 6 Posts ... Well, I figured it out (and made a mess in the process). Home 4l60e power flow chart gallery. Trying to varify the flow direction on my son's truck ( new to us) picked up two trucks, one with bent frame. Bottom trans fitting is output flow to the bottom of the radiator cooler, top of radiator cooler to the bottom of the aux cooler. In most applications where the external trans cooler is used in addition to the factory one, you will need to route the new transmission lines from the radiator to the external cooler. I didn't get a chance to visually confirm the fluid flow direction, but I do believe I confirmed it by feeling which line got hot first after starting up the truck. Oct 07 2010, 2:59pm. Compression fittings can be purchased separately from your local distributor. Click to Enlarge. Personally, I like plumbing external trans coolers this way, that being the external one first in line. there is no mandatory flow direction on any GM automatic tranny cooler.....just a little advice GM has right hand and left hand tranny coolers (depending on year and … We have supplied fittings for the four most common applications. Derale Combination Transmission and Engine Oil Cooler with Multiple Threads (10 reviews) Code: D15902. A transmission cooler is designed to allow transmission fluid flow through them with the purpose of keeping transmission temperatures in a suitable range. This replacement automatic transmission oil cooler hose is constructed of quality metal and rubber components to ensure leak-free delivery of critical fluid between the transmission and the transmission oil cooler. Reason for this is to prevent any air that may get trapped in rad cooler. 2011 Memorial Day Car Show Winner! Start the motor see which line is flow what direction. Our Price: $ 10.33. Before you go out and buy 4L60E transmission fluid, there are some important … If you watch line pressure and cooler flow at the same time, when line pressure drops, you will see a corresponding change in cooler flow. This innovative flow meter diagnostic tool kit measures ATF cooler flow rates in gallons per minute and can be connected to a lab scope with the addition of an optional output signal adapter kit FM-03K, resulting in digital output that can be graphed and recorded. The cooler does not have a big volume so pushing fluid up from bottom to top would not be difficult. COOLER RETURN LINE CHART CHRYSLER. GM manual doesnt seem to be too helpful with this info. The cooler of the two lines is the return line and the one to install the transmission cooler on. Ensure that the new transmission is not damaged prior to installation. Derale Snap-In Radiator Adapter Fitting for GM (171 reviews) Code: D13035. 503-284-0768, 800-776-1191 Fax 503-280-1655 E-mail mail@txchange.com. I am looking for information about the direction of flow through the transmission cooler lines on a Discovery I with the ZF automatic. Part numbers are as follows: 735-9139 for 5/16 lines; 735-9140 for 3/8 lines; Where should I install the cooler? I would take your lines going to the cooler and put in bucket. Retail: $24.08. Transmission Cooler Flow Direction - Question Answered ! I wanted to determine which line feeds hot fluid to the factory trans cooler and which feeds the 'cooled' fluid from the factory trans cooler back to the transmission. This is also the area where the cooler lines attach. Chesapeake Beach, Maryland 4543 Posts Member since: 2006/4/23 … In this video, I show you what I used for my Transmission lines on my 1980 K5 Blazer with LS Swap and 4L60e. Now quickly go out and feel both transmission lines. Just start the truck, and see which line gets warmer first--that'll be the return. When replacing a GM 4l60E, its important to verify that you the correct cooler fitting style. Product Page this Question was Asked From. From external cooler, you would want to run into bottom of rad mounted cooler, then back to trans from top. Oct 07 2010, 2:53pm. Read honest and unbiased product reviews from our users. expert reply by: Jameson C. 0. Pin Count) Step 2: Flushing the System FLUSHING THE TRANSMISSION COOLING SYSTEM WITH A HOT FLUSH SYSTEM IS MANDATORY (See Figure … Whats people lookup in this blog: Ph. 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. Pressure from bottom should keep cooler fully full of oil. Dorman Products - 624-047 : Transmission Oil Cooler Line. I'm going to check again this afternoon to confirm it again. Transmission Wiring Harness Diagram T5 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 Whats people lookup in this blog 4l60e Transmission Cooler Lines Diagram Automatic Transmission cooler line flow TH THC Top TH 3L80 3L80H Top T4 4T60 … In order to accomplish that, I disconnected the top steel line from the radiator. 4L60E Installation Guide Pre-Install Step 1: Inspection Compare new transmission with the one being replaced and ensure that all connections are identical or compatible. Let me know if I should reverse the flow direction. Top 4 Best Transmission Fluid for 4L60E - carfluidsexpert.com Transmission Fluid for 4L60E – Buyer’s Guide. What should I do? Moved everything off one and onto the other. Posted on: 2011/5/4 13:58 . Leading provider of high performance automatic transmissions, torque converters and drivetrain components for race, street/strip, hot rod, street rod and towing Transmission cooler lines flow direction h3 jpg oil line diagram 4l80e wiring ebook c4 corvette transmission cooler lines 4l60e frequently asked questions about transmission coolers etrailer com 4l60e 4x4 diagram cooler line cooler lines coolant inlet vs outlet 4l60e image jpgpics of. When pulling a good hill, OD light and trans temp light come on. I am planning to install a Trans Dapt external trans fluid filter and want to plum it thru the lower cooler line. Re: trans cooler flow diagrams. It is more robust in the area behind the bellhousing than most other units. When you install your new external transmission cooler, run the coolant line out of the transmission and into the "input" of the radiator oil cooler like the factory. Our Price: $ 136.49. The 4L80E is very close to the same length as a 4L60E. Sorry cant find a diagram. Temp guage sender unit is in line with the cooler line and within a foot of the transmission on the cooler output side. THE TRANSMISSION … The biggest fitment issue we see is in the cooler line area. Find helpful customer reviews and review ratings for GM 4L60E Transmission Cooler Line O-Ring & Clip Fittings Kit (Set of 4) Global Transmission Parts at Amazon.com. The fittings supplied do not work with my application. Immediately fluid started flowing out of the line at a good rate. Top of the aux cooler to the top of the trans. 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 … ... Lower ¼" Pipe Cooler feed/out 700R4/4L60/4L60E/4L65E Fitting Location Thread Size Flow Direction Upper ¼" Pipe Return/in Lower ¼" Pipe Cooler feed/out 4L80E (1991-1996) Fitting Location Thread Size Flow Direction Upper ¼" Pipe Return/in Lower ¼" Pipe Cooler feed/out 4L80E/4L85E (1997 & later) Fitting … Oftentimes we have swapped these units out without cutting the driveshaft, just a yoke change. (e.g. unless somebody replaced the lines they will only go one way but if you do have lines that will interchange NO IT DOES NOT MATTER because where the lines hook up on the factory cooler can go either way depending on the year. Original diagram removed to avoid confusion see corrected diagram below. Correct trans cooler routing discussion in. There are two pipes on the transmission. 700r44l604l60e4l65e fitting location thread size flow direction upper pipe returnin lower pipe cooler feedout 4l80e. The cooler lines are not blocked and should flow fine (may need to pull a hose off to confirm when running but cooler is same temp as exit line in a while; should this heat up fast?). Thanks When installing your new transmission cooler, it is important to figure out not only where you will mount it, but how to run the lines. I think one comes to the front of the vehicle and enters the transmission-cooler on the passenger side. TRANSMISSION EXCHANGE CO is located at 1803 NE MLKing Blvd., Portland, OR 97212. Transmission cooler lines flow direction page 2 hummer forums 4l60e transmission cooler line routing images e993 com 4l60e cooler line flow the 1947 present chevrolet gmc truck 4l60e cooler line flow. Fitting Location Thread Size Flow Direction Upper ¼" Pipe Return/in Lower ¼" Pipe Cooler feed/out 700R4/4L60/4L60E/4L65E Fitting Location Thread Size Flow Direction Upper ¼" Pipe Return/in Lower ¼" Pipe Cooler feed/out 4L80E (1991-1996) Fitting Location Thread Size Flow Direction Upper ¼" Pipe Return/in The two lines are stacked on top of one another on the tranny body. thanks transman, I knew you could find it!!! The cooler of the two is the return line and the one to use for installing the # D13035. I connected a length of 3/8" rubber hose to the steel tube and routed it into a small bucket. I disconnected the line from the forward tranny port (the one carrying fulid away from the tranny according to the FSM) and had my wife start the car. Product Page this Question was Asked From. Transfer: biggrizzly: Re: 4L60E Transmission Fluid & Cooler Line Routings (Sanity Check) #8. Retail: $157.04. Pulled the lines off the Rad. Heres the list of gm transmissions and their inout line sizes and flow direction. I was going to run fluid through it from top to bottom just like the radiator. Come out of the radiator cooler and around to the "input" line of the external transmission cooler. Transmission Cooler Line Path & Flow Direction. Does anyone know off hand what the flow direction is for the trans cooler lines at the radiator? This is because the pressure drop makes it all the way back to the balance end of the PR valve, and the forces at the other end of the PR valve overcome the reduced balance/line oil pressure and the PR valve moves out of balance. expert reply by: Jameson C. 0. found it AT the trans top line is the return /fluid in bottom is feed to the radator (hot fluid) Re: trans cooler flow diagrams. 4l80e fluid flow diagram sep 30 an … Transmission Oil cooler with Multiple Threads ( 10 reviews ) Code: D15902 that, disconnected! 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Of Oil its important to verify that you the correct cooler fitting style transmission and Oil. Cooler Does not have a big volume so pushing fluid up from bottom should cooler. Trans cooler lines at the radiator fittings can be purchased separately from local. One another on the passenger side bellhousing than most other units know off hand what the flow upper. Line at a good hill, OD light and trans temp light come on a big so...