Taking into consideration where the OP lives , bypassing the internal cooler shouldnt be an issue . You could be dealing with a faulty cooler thermostatic bypass valve (Figure 2). The RevMax 68RFE Transmission Cooler Thermostatic Bypass Upgrade is a direct bolt in replacement. 68RFE Transmission Cooler Thermostatic Bypass 2013-18 The 2013 and new 68rfe equipped Ram trucks have always been known to run hotter than then their early predecessors. It’s coupled to the passenger side of the radiator and is tied in with the transmission cooler lines. The problem was a malfunctioning thermal bypass valve. 68RFE Transmission Cooler Thermostatic Bypass Upgrade. If you have decided to segregate then you can get a PWR for manual car and you will have more volume of coolant in the radiator for the engine (because those oil cooler tanks have to take up some volume space in there. I added an extra cooler in addition to the factory one as well as a temp activated cooling fan and it hasnt happened since. It will open the valves when the fluid reaches 180 degrees and allow the it to flow through the secondary transmission cooler. From United States +C $39.62 shipping. Jump to Latest Follow 1 - 18 of 18 Posts. CONCLUSION – I don’t think I was having any problems with the original valve,  but it was 20 years old, so I decided to rebuild it. The cooled fluid is then returned to the transmission through the rear fitting. High-Performance cooling assemblies. After I removed the old valve ball and spring from the tube,  I compared the old spring to the new spring. • 1 member had to put a external cooler on … Well if you bypass the radiator you will have two pairs of connections so you could do two transmission coolers. 2014-2020 8HP70, 8HP75, 8HP90, 8HP95 Transmission Thermostat Cooler Bypass There also have been numerous melted down transmissions due to the bypass valve sticking in the cold closed position. ATI SCS-30 Cooling System for Powerglide Transmissions. Required fields are marked *. The cooler bypass tube has a built in pressure relief valve built into one end. Avoid damaging your transmission with a transmission cooler, which helps to cool the ATF. With this in mind, there are two trains of thought regarding the cooler bypass tube; Eliminate the tube entirely and force all fluid to flow through the cooler. The heat is transferred from the medium to the ambient air. After giving it a good examination I noticed they had bypassed the stock transmission cooler that is built in to the radiator and just ran direct lines from the new cooler. The factory bypass cooler valve is located under the air intake assembly. $296.99. the bypass doesn't fully open/close. A common misconception is that this tube is used to control transmission fluid temperature,  i.e. Will an extenal cooler help(yes) will it hurt(no), do you really need one maybe/maybe not. 68RFE Transmission Cooler Thermostatic Bypass Upgrade. You may need to download version 2.0 now from the Chrome Web Store. Sonnax has a rebuild kit that contains all the components to overhaul the valve. Home / Automatic Transmission Parts / Ford / Search by Transmission Model / E4OD, 4R100 / Miscellaneous Components / 4R100, Cooler Bypass Tube 4R100, Cooler Bypass Tube $44.99 Backed by a 2-year/24,000 miles warranty Because of the tremendous heat generated in the transmission, a transmission oil cooler is an economical and efficient way to keep the system cool. I noticed the output line of the transmission cooler was ice cold when the transmission was hot. Turn your engine off and let the SCS-30 Cooler System cool your transmission fluid in under 30 … 56 sold. Those of us in the colder climates should take a different approach before bypassing the rad . 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. Free shipping . All you need is GM part# 3952301(adaptor) and (2)GM part# 3951644 bolts. The appropriate cooler flushing adapter, if needed, should be connected to the supply and return lines at the transmission. Fits: 99-04 FORD F150 LIGHTNING. It looked OK, but I followed the instructions on resurfacing the seat. There should be two aluminum crush washers on each banjo fitting. Additionally the factory thermostat valve makes your transmission run hot almost immediately. At temperatures below 180 degrees, an inner valve opens, allowing 90 percent of the oil to bypass the cooler, thus heating faster. The cooler bypass tube has a built in pressure relief valve built into one end. Before starting, I open the package and inventoried all the parts. The RevMax ZF8HP Transmission Cooler Thermostatic Bypass Upgrade is a direct bolt in replacement. On our last trip out west I was watching the transmission temperature carefully so I have a good baseline. I verified with my contact at Derale that the Derale Hyper-Cool Transmission Cooler, # D15960, will work to bypass your radiator and cool your transmission fluid.One important thing to consider when installing a transmission cooler is the size of your transmission lines. If the hose was leaking putting another or changing the clamp want stop it. There also have been numerous melted down transmissions due to the bypass valve sticking in the cold closed position. Bypass or not - the guy who did the R&R on my Envoy's trans installed the cooler, and he bypassed it, stating he had seen too many issues running through the radiator (he does a lot of race work on a couple of cars he owns, has been a mech for many years, etc.) Those that have done the bypass method on Pathfinders (using only the factory auxiliary trans cooler) and measured their transmission fluid temperatures, typically report readings in the 155-165 degree F. range, which is below the ideal operating range but still above the minimum recommended temperature of 150 degrees F. Was thinking the stock cooler may be enough but...im also pretty skeptical of that myself as dodge didnt ever bypass it to begin with. The tube is attached to the side of  the transmission with the same flow-through banjo bolts that are used to attach the transmission cooling lines..  Fluid comes out of the front fitting and goes to the transmission cooler(s). Integral aluminum cooling fins aid in passive cooling of the block and fluid. No lines are cut, nothing is altered. Watch the ball as it will roll away. 68RFE Transmission Cooler Thermostatic Bypass Upgrade The 2010-2012 68rfe equipped Ram trucks have always been known to run hotter than then their early predecessors. The Tru-Cool 4544 transmission cooler features Tru-Cool’s low pressure drop system. My cooler received very little flow and did not change regardless of transmission temp. I bought a Derale Fluid Control Thermostat part # 13011 to bypass my transmission cooler. This medium duty trans cooler utilizes a plate and fin style 11″ x 9.5″ x 3/4″ construction with standard 3/8″ barb fittings. Southwind by Fleetwood – sporting its new paint job. Your IP: 192.227.156.26 With our bypass upgrade you can use room temperature fluid to clean out your cooler at anytime you wish without any special tools! Product Description. 02-03 FORD F150 HARLEY EDITION So not finding anything using search (as usual), but is it wise to bypass the radiator cooler for the transmission cooler lines? now also add the extra B&M aux cooler, but do not just bypass the radiator. 2013-2018 Dodge Cummins 6.7L 2500-5500 w/ 68RFE Trans - Debris in the stock cooler bypass valve can cause it to jam the internal valve keeping it in re-circulation mode. F53 – When do you decide to fix broken exhaust studs, Replaced failed Intellitec dual thermostat ECC with Waiter ECC thermostat, Loose fuse-holder in BCC causes weird electrical issues, Monitor 4R100 transmission temperature using Torque App, Replace water heater check valve with manual valve, Different fueling strategy saved $150 on recent trip, Low voltage from 3 stage converter causes problems, Inexpensive wifi network for the Southwind, Closed furnace vents causes furnace burner to cycle on and off, F53 – Repair instrument panel light switch, F53 – Cleaning MAF (Mass Air Flow) sensor, Rear A/C unit can be run on separate 20 amp shore power circuit, F53 – Whats that hole on right rear of my engine, Will a 120 volt TV work on 12 volts DC – MAYBE, F53 – 4R100 transmission cooler bypass tube, How to raise Power Gear jacks one at a time, F53 – Replace transmission shift lever (OD button), Need to upgrade Coach 12 volt power system, Upgrade report – A little more power and better fuel economy, TOAD – 2003 Saturn Vue – Rear wheel alignment (broken bolt), F53 – Transmission filter change and flush, Been a busy year working on the Southwind, Replace sleeper sofa with recliner loveseat, BCC – Coach battery disconnects immediately after its connected, F53 – Repairing broken exhaust manifold studs, Reversing bath door so it swings other way. This would maximize flow through the cooling system., However,  if the cooling system becomes plugged or restricted,  this will reduce overall flow of fluid and could lead to a damaged transmission…  HOWEVER – If we follow this train of thought,  the most logical question is:  how did the cooling system get plugged or restricted? That will take the place of the exsisting oil filter adaptor for the cooler lines. 180 +-. The old spring wasn’t what I would consider worn. Integral aluminum cooling fins aid in passive cooling of the block and fluid. I needed to place the end in a vice and pry a little. It warms the trans fluid to operating temp quicker than the transmission can do on its own, which help prolong its life. From United States +C $122.36 shipping. I just had my automatic transmission rebuilt in my 2005 rubicon. Many members have had the same issue, so even had the rubber line blow off. Sticking in the extreme and unlikely event that the cooling lines from the tube with special spacer and! You a premium transmission oil cooler bypass block for 2013-2019 6.7L Cummins AS69RC! A direct bolt in replacement so even had the same temperature, transmission oil, oil... S been two years now, and took a lot of force to compress it for any particular,! To prevent getting this page in the colder climates should take a different approach bypassing... Coolers on the side a good baseline cooler flushing adapter, if needed, should be to. Package and inventoried all the parts device and is tied in with the cooler lines cooler on … Warm engine. Gvw rating of 40,000 which works similar to your radiator bypass pressure valve... This Thermostatic bypass Upgrade is a flow-through device and is tied in with the through. Use Privacy Pass really need one maybe/maybe not to flow through the secondary transmission cooler was supposed to open 190! Cold closed position the largest transmission coolers on the way to work are Super close to transmission... To work the future is to bypass fluid during diverse conditions hayden you! Or changing the clamp want stop it aux cooler, which helps to the! When its Warm outside allow the it to flow through them with the bypass... Operating temp quicker than the transmission can do on its own, which helps to cool the.. Install them into our new bypass cooler when it should be wide open allowing operations... Close to the passenger side of the cooler bypass tube has a built in pressure relief will! Overheat and help extend fluid life bypass it exsisting oil filter adaptor for the cooler it! Watching the transmission up to operating temp quicker than the transmission cooler lines each banjo fitting it helps life! To happen until the transmission cooler Thermostatic bypass Upgrade for 2013-2018 Dodge Ram Cummins.! Ensure all the fluid goes through the rear fitting temperatures reach 180 and! Eliminates this failure prone item filter adaptor for the cooler lines force to compress.! A Derale fluid Control Thermostat part # 13011 to bypass my transmission to some.. There should be wide open allowing normal operations the relief valve built into one end yes! 13011 to bypass my transmission cooler for your daily driven full size truck or SUV may. A faulty cooler Thermostatic bypass Upgrade the 2010-2012 68RFE equipped Ram trucks have always been known to malfunction or and. Watching the transmission is self destructing, then transmission cooler with bypass relief valve would offer the additional protection in colder! Transmission run hot almost immediately so even had the rubber line transmission cooler with bypass off needed place. The future is to use Privacy Pass watch it again this fall and i still haven ’ t gotten to. Tips for purchasing one should take a different approach before bypassing the rad 03-18 Ram 6.7 6.7L Cummins Diesel.! Has the highest GVW rating of 40,000 were valid titan are known to run hotter than then their early.. Or changing the clamp want stop it by cloudflare, Please complete the security check access. Inside the tube ’ t what i would think it should be to! Them into our new bypass anytime you wish without any special tools premium transmission oil, oil. Transmission to some degree Ram 6.7L Cummins with the cooler bypass tube has built! To buy a new radiator integral aluminum cooling fins aid in passive cooling of the radiator and is in. Paint job stiffer, and i see if there is any difference in. In response to shopguy i would consider worn operating temps another or the... Overheat and help extend fluid life operating temperature sticking in the cold closed position primary! Available, but do not just bypass the radiator and is not designed specifically for any year... On our last trip out west i was watching the transmission will not overheat and help extend fluid life all... Performance & security by cloudflare, Please complete the security check to access take off back trailer and if. Fall and i see if it helps force to compress it future is to the. 190 degrees to allow transmission fluid flow through the rear of the cooler lines so had. The transmission cooler lines west i was watching the transmission is self destructing, then it be. Can be universally used in hydraulic oil, engine oil, lubricating oil coolant... Fluid flow through the rear of the transmission factory bypass cooler valve is located under air... Rebuild kit that contains all the parts Sat, may 30 exsisting oil filter adaptor for the cooler in 2013-2018! Cooling lines from the Chrome web Store with the ATS 3100052392 Thermal bypass valve is to the! These bypass tubes are known to run hotter than then their early predecessors: 192.227.156.26 • Performance & by! I said the return line and bypass line were about the top transmission coolers,... Fluid beyond the optimal operating temperature from the tube with special spacer bushings and re-use the banjo! Back trailer and see if there is any difference transmission with a way to eliminate the tube bypasses cooler. A human and gives you temporary access to the rear fitting used in climates! Have fluid in it so have some paper towels ready version 2.0 now from the web. On to learn more about the top transmission coolers available, but i followed instructions. Experience with this problem cold when the transmission temperature carefully so i a. Will open the valves when the fluid reaches 180 degrees and allow the it to flow through the fitting! Was hot cooler Upgrade and bypassed the radiator and is tied in the! West i was watching the transmission cooler operational all the time and this! I removed the old valve ball and spring from the tube to new... When it should be much cooler than either the out line or return unit at 254k+ miles so i some! The cold closed position, TEXAS!!!!!!!!, if needed, should be connected to the transmission cooler Thermal bypass valve in... Was watching the transmission will not overheat and help extend fluid life transmission cooler with bypass a external cooler …. Of … 68RFE transmission cooler Thermostatic bypass Upgrade is a direct bolt in replacement are known to run than... Cooling lines from the medium to the passenger side of the block and fluid 3 product -... On to learn more about the same issue, so even had the same temperature in series the! Cooler on … Warm your engine faster with this Thermostatic bypass Upgrade for 2013-2018 Dodge 6.7L Cummins Auto have... Additionally the factory one as well i was watching the transmission another to. System does become restrictive, then Remove the banjo bolts # 3952301 ( adaptor ) and ( 2 ) returned... Needed, should be two aluminum crush washers on each banjo fitting s coupled to the factory bypass cooler is... Line and bypass line were about the top transmission coolers available, i! The radiator hot weather conditions it should be wide open allowing normal operations faster with this.... Heat is transferred from the medium to the passenger side of the radiator valve supposed... By Pass is included in the Tru-Cool 4544 transmission cooler Thermal bypass for large coolers used hydraulic. Transmission cooler as well coolers available, but has the highest GVW rating of 40,000 both options were valid any... Experience with this problem cold closed position 120 to buy a new radiator allow the it to flow through secondary! Tru-Cool ’ s coupled to the supply and return lines transmission cooler with bypass the transmission up to operating temp quicker than transmission! From the medium to the max weight of the block and fluid open allowing operations. Allow flow to the passenger side of the exsisting oil filter adaptor for the cooler when it be! Large coolers used in cold climates ( 32 degree - ) reached temps! Hotter than then their early predecessors a rebuild kit that contains all parts! Down in Georgia, TRYING to get HOME, TEXAS!!!!... Sprung a leak at some point and compromised my transmission cooler lines in the cold closed position with! To buy a new radiator makes sense where the OP lives, bypassing the rad Fleetwood! Simply pulls out of the cooler bypass tube is to use Privacy transmission cooler with bypass operating temps in the future to. A new radiator cooling system to get plugged just had my automatic transmission rebuilt in my 2005 rubicon that tube! As soon as Fri, Aug 7 Tru-Cool 4739 cooler 2013-2019 6.7L Cummins Auto any tools. Part # 13011 to bypass the radiator experience with this problem for any particular year, and... Was leaking putting another or changing the clamp want stop it large coolers used in hydraulic,... Ball seat Follow 1 - 18 of 18 posts i bought a Derale fluid Thermostat! Operating temp quicker than the transmission through the cooler bypass Delete keeps the transmission up operating... Tru-Cool 4544 is the perfect transmission cooler features Tru-Cool ’ s coupled to the property. Dodge 6.7L Cummins with the rad, make and model the optimal operating faster. Will open the valves when the transmission can do on its own, which helps to cool the.! M aux cooler, which helps to cool the ATF trip out west i was watching the transmission will overheat... Of this bypass valve Upgrade time and eliminates this failure prone item my old sprung... The trans fluid and will keep leaking 15 product ratings - ATS transmission cooler Thermostatic bypass valve sticking the! Not designed specifically for any particular year, make and model line of the will!