Pin Count) Step 2: Flushing the System FLUSHING THE TRANSMISSION COOLING SYSTEM WITH A HOT FLUSH SYSTEM IS MANDATORY (See Figure … Leading provider of high performance automatic transmissions, torque converters and drivetrain components for race, street/strip, hot rod, street rod and towing Jump to Latest Follow 1 - 6 of 6 Posts ... Well, I figured it out (and made a mess in the process). (e.g. Thanks Compression fittings can be purchased separately from your local distributor. When replacing a GM 4l60E, its important to verify that you the correct cooler fitting style. I am looking for information about the direction of flow through the transmission cooler lines on a Discovery I with the ZF automatic. Pressure from bottom should keep cooler fully full of oil. Chesapeake Beach, Maryland 4543 Posts Member since: 2006/4/23 … Trying to varify the flow direction on my son's truck ( new to us) picked up two trucks, one with bent frame. Sorry cant find a diagram. expert reply by: Jameson C. 0. Transfer: biggrizzly: Re: 4L60E Transmission Fluid & Cooler Line Routings (Sanity Check) #8. It's not the most scientific approach, but it'd be worth a check on your truck? Before you go out and buy 4L60E transmission fluid, there are some important … Home 4l60e power flow chart gallery. 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. Heres the list of gm transmissions and their inout line sizes and flow direction. 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. Top 4 Best Transmission Fluid for 4L60E - carfluidsexpert.com Transmission Fluid for 4L60E – Buyer’s Guide. 503-284-0768, 800-776-1191 Fax 503-280-1655 E-mail mail@txchange.com. 700r44l604l60e4l65e fitting location thread size flow direction upper pipe returnin lower pipe cooler feedout 4l80e. COOLER RETURN LINE CHART CHRYSLER. In order to accomplish that, I disconnected the top steel line from the radiator. Retail: $157.04. Dorman Products - 624-047 : Transmission Oil Cooler Line. THE TRANSMISSION … The cooler of the two is the return line and the one to use for installing the # D13035. 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 … 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 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. I think one comes to the front of the vehicle and enters the transmission-cooler on the passenger side. The cooler of the two lines is the return line and the one to install the transmission cooler on. 4l80e fluid flow diagram sep 30 an … It is more robust in the area behind the bellhousing than most other units. Come out of the radiator cooler and around to the "input" line of the external transmission cooler. 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. 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. Now quickly go out and feel both transmission lines. Does anyone know off hand what the flow direction is for the trans cooler lines at the radiator? Let me know if I should reverse the flow direction. When pulling a good hill, OD light and trans temp light come on. thanks transman, I knew you could find it!!! 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 Click to Enlarge. Read honest and unbiased product reviews from our users. Immediately fluid started flowing out of the line at a good rate. Our Price: $ 10.33. I was going to run fluid through it from top to bottom just like the radiator. Original diagram removed to avoid confusion see corrected diagram below. 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 … ... 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 … Re: trans cooler flow diagrams. 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. Just start the truck, and see which line gets warmer first--that'll be the return. There are two pipes on the transmission. 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. Ensure that the new transmission is not damaged prior to installation. Transmission Cooler Line Path & Flow Direction. Personally, I like plumbing external trans coolers this way, that being the external one first in line. Top of the aux cooler to the top of the trans. Our Price: $ 136.49. 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. Ph. I'm going to check again this afternoon to confirm it again. The biggest fitment issue we see is in the cooler line area. 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 … Transmission Cooler Flow Direction - Question Answered ! The 4L80E is very close to the same length as a 4L60E. This is also the area where the cooler lines attach. In this video, I show you what I used for my Transmission lines on my 1980 K5 Blazer with LS Swap and 4L60e. TRANSMISSION EXCHANGE CO is located at 1803 NE MLKing Blvd., Portland, OR 97212. Retail: $24.08. What should I do? Derale Combination Transmission and Engine Oil Cooler with Multiple Threads (10 reviews) Code: D15902. 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. We have supplied fittings for the four most common applications. The smaller lines will restrict the transmission fluid flow. GM manual doesnt seem to be too helpful with this info. Product Page this Question was Asked From. expert reply by: Jameson C. 0. 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. Part numbers are as follows: 735-9139 for 5/16 lines; 735-9140 for 3/8 lines; Where should I install the cooler? From external cooler, you would want to run into bottom of rad mounted cooler, then back to trans from top. Posted on: 2011/5/4 13:58 . Reason for this is to prevent any air that may get trapped in rad cooler. I am planning to install a Trans Dapt external trans fluid filter and want to plum it thru the lower cooler line. 2011 Memorial Day Car Show Winner! The fittings supplied do not work with my application. Oct 07 2010, 2:59pm. I would take your lines going to the cooler and put in bucket. Product Page this Question was Asked From. Moved everything off one and onto the other. 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. 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. Pulled the lines off the Rad. The cooler does not have a big volume so pushing fluid up from bottom to top would not be difficult. The two lines are stacked on top of one another on the tranny body. Whats people lookup in this blog: 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. Temp guage sender unit is in line with the cooler line and within a foot of the transmission on the cooler output side. Oftentimes we have swapped these units out without cutting the driveshaft, just a yoke change. 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. Oct 07 2010, 2:53pm. Derale Snap-In Radiator Adapter Fitting for GM (171 reviews) Code: D13035. 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?). I connected a length of 3/8" rubber hose to the steel tube and routed it into a small bucket. Bottom trans fitting is output flow to the bottom of the radiator cooler, top of radiator cooler to the bottom of the aux cooler. Start the motor see which line is flow what direction. 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. A transmission cooler is designed to allow transmission fluid flow through them with the purpose of keeping transmission temperatures in a suitable range. 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. 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. Correct trans cooler routing discussion in. Lines at the radiator use for installing the # D13035 Dapt external trans coolers way. Line from the radiator a good hill, OD light and trans temp light on. Should reverse the flow direction upper pipe returnin lower pipe cooler feedout 4l80e to a... In order to accomplish that, I knew you could find it!!!!!!!. 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