Temp guage sender unit is in line with the cooler line and within a foot of the transmission on the cooler output side. 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. expert reply by: Jameson C. 0. Jump to Latest Follow 1 - 6 of 6 Posts ... Well, I figured it out (and made a mess in the process). This is also the area where the cooler lines attach. Let me know if I should reverse the flow direction. 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 Derale Snap-In Radiator Adapter Fitting for GM (171 reviews) Code: D13035. We have supplied fittings for the four most common applications. ... 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 … Click to Enlarge. 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. Does anyone know off hand what the flow direction is for the trans cooler lines at the radiator? Home 4l60e power flow chart gallery. 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. 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. There are two pipes on the transmission. Our Price: $ 136.49. Heres the list of gm transmissions and their inout line sizes and flow direction. Pin Count) Step 2: Flushing the System FLUSHING THE TRANSMISSION COOLING SYSTEM WITH A HOT FLUSH SYSTEM IS MANDATORY (See Figure … Top 4 Best Transmission Fluid for 4L60E - carfluidsexpert.com Transmission Fluid for 4L60E – Buyer’s Guide. Part numbers are as follows: 735-9139 for 5/16 lines; 735-9140 for 3/8 lines; Where should I install the cooler? Reason for this is to prevent any air that may get trapped in rad cooler. Correct trans cooler routing discussion in. 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. Immediately fluid started flowing out of the line at a good rate. Transfer: biggrizzly: Re: 4L60E Transmission Fluid & Cooler Line Routings (Sanity Check) #8. Come out of the radiator cooler and around to the "input" line of the external transmission cooler. Compression fittings can be purchased separately from your local distributor. 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 … It is more robust in the area behind the bellhousing than most other units. Ph. 503-284-0768, 800-776-1191 Fax 503-280-1655 E-mail mail@txchange.com. 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 am looking for information about the direction of flow through the transmission cooler lines on a Discovery I with the ZF automatic. 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. Ensure that the new transmission is not damaged prior to installation. Start the motor see which line is flow what direction. Retail: $24.08. 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. When replacing a GM 4l60E, its important to verify that you the correct cooler fitting style. Transmission Cooler Flow Direction - Question Answered ! Chesapeake Beach, Maryland 4543 Posts Member since: 2006/4/23 … Derale Combination Transmission and Engine Oil Cooler with Multiple Threads (10 reviews) Code: D15902. Product Page this Question was Asked From. Re: trans cooler flow diagrams. The 4L80E is very close to the same length as a 4L60E. (e.g. 4l80e fluid flow diagram sep 30 an … Trying to varify the flow direction on my son's truck ( new to us) picked up two trucks, one with bent frame. Personally, I like plumbing external trans coolers this way, that being the external one first in line. When pulling a good hill, OD light and trans temp light come on. 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. GM manual doesnt seem to be too helpful with this info. In order to accomplish that, I disconnected the top steel line from the radiator. Leading provider of high performance automatic transmissions, torque converters and drivetrain components for race, street/strip, hot rod, street rod and towing Whats people lookup in this blog: 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. Product Page this Question was Asked From. Dorman Products - 624-047 : Transmission Oil Cooler Line. The biggest fitment issue we see is in the cooler line area. It's not the most scientific approach, but it'd be worth a check on your truck? Thanks 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 … The cooler of the two is the return line and the one to use for installing the # D13035. 2011 Memorial Day Car Show Winner! 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. COOLER RETURN LINE CHART CHRYSLER. I am planning to install a Trans Dapt external trans fluid filter and want to plum it thru the lower cooler line. Now quickly go out and feel both transmission lines. 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. 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. The cooler of the two lines is the return line and the one to install the transmission cooler on. From external cooler, you would want to run into bottom of rad mounted cooler, then back to trans from top. Moved everything off one and onto the other. Pulled the lines off the Rad. thanks transman, I knew you could find it!!! That being the external one first in line with the cooler and around to top! Coolers this way, that being the external transmission cooler going to check again this afternoon to confirm again. 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