Trans cooler with thermostat You remove the thermostat in the system forcing the trans fluid to go through the cooler at all times. Learn how to bypass the 6l80e thermostat and lower trans temps. Reference the Applicable Warranties section of the Investigate Vehicle History (IVH) for coverage information. Supposedly the new thermostat opens at 158 degrees and keeps the transmission from reaching the usual 190+ temps. Cooler trans fluid isn't always ideal either. This thermostat delete kit is a simple drop-in kit that completely seals off the bypass tube. Two thermostat temperatures to choose from: 140ºF and 160ºF. com FREE DELIVERY possible on eligible purchases Transmission Thermostats 5 Items Sort By High-Flow Engine & Transmission Oil Cooler Thermostat Part # FSM Configurator More Details Rating: Get the job done with the right part, at the right price. Product Categories “No~Stick”™ Electronics Fairbanks Performance® Flow~Control™ Plate~Gard™ PowerTow® Problem Solvers™ QUICK~Solution™ Shift Correction® SHUDDER~SOLUTION™ Super Servo® Superior SolutionsⓇ Technology that Works! SuperTuff® Sure-Cool® Thermal Bypass Kit TransLab® Uncategorized An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. It is much easier to keep trans temps lower in older trucks due to their simple transmission cooler line setup. -Simple install -Lowers overall operating temperature by up to 30 degrees Mar 21, 2016 · Product Description This automatic transmission oil cooler thermostat is designed to match the fit and function of the original thermostat on specified applications, and is engineered for reliable performance and durability. I have read about putting in a bypass to replace the in-line transmission thermostat and I wonder if there are any downsides in doing this. One of which is the built in thermostat. -Two installation options: Option 1 removes the factory thermostat and allows fluid flow to split between the heater and As a direct replacement for the failure prone OEM thermostat, the Transmission Cooler Thermostat Bypass Plug can drop fluid temperature from 15-50 degrees F by reducing fluid flow restriction to the trans cooler. Find our best fitting auto trans oil cooler thermostats for your vehicle and enjoy free next day delivery or same day pickup at a store near you! High-Flow Engine & Transmission Oil Cooler ThermostatImproved Racing's Flow Series Motor Sport (FSM) oil thermostat is a high-performance, high-flow, universal fluid temperature control solution that can be used with any oil cooler on any vehicle or industrial application flowing up to 20 GPM (75. Aug 31, 2022 · Buy WIT WHATEVER IT TAKES TRANSMISSION PARTS, INC Superior 6L80 6L90 8L90 Sure Cool System Upgrade STL010: Hard Parts - Amazon. Jun 13, 2019 · The transmission oil flows thru the trans cooler thermostat, looks to be for a good thermal coupling to the trans oil. Feb 4, 2020 · The $50 or so needed for a replacement trans cooler thermostat gives me peace of mind in reducing the probability that a stupid $50 worn out trans thermostat is contributing significantly to the coolant contamination of the $175 dollars in trans fluid I buy every 50K mile transmission service, or is reducing the life of the transmission that I Apr 20, 2011 · This Billet Style Cast Aluminum Fluid Control Thermostat with 1/2 inch NPT ports allows the oil to bypass the cooler until it reaches 180 degree F at which point the internal thermostatic valve will close and force 100 per cent of the oil through the cooler while maintaining a constant pressure system. It is mounted inline with the coolant outlet hose and controls the flow of coolant to control the transmission temperature, particularly warm-up. Dec 13, 2019 · The intent is to force the transmission to warm up faster, the reality is this bypass valve leaks and sticks in the bypass position in almost every case causing the transmission cooler flow to bypass the trans cooler essentially eliminating the trans cooler from the circuit. There's a potential leak point between engine coolant & the trans oil passages via a connecting shaft that is sealed with an o-ring, or two. Now you can extend the life of your automatic transmission by installing the new BMS High Capacity Trans Cooler kit. It does not allow fluid flow to the cooling lines to the transmission cooler located on top of the hvac condenser until the fluid temp reaches 190F. These quick disconnect cooler lines feature fluid fittings that exceed flow requirements while connecting and disconnecting with 100% accuracy. The kit consists of a fanned transmission cooler, -8an fittings, and 20ft of -8an line. Lower transmission temps on your 2017-2019 Chevy Silverado/GMC Sierra 6. Automatic 180°F electric cooler tan thermal switch. -6AN female O-ring boss May 27, 2021 · This is easily found by searching online. The 3rd Gen Dodge transmission coolers are notorious for having the transmission cooler thermostat stick in the "bypassed" position, causing high operating temperatures. Fast Shipping. The patented internal design (US patent 9,772,632) minimizes the pressure drop by Dec 21, 2024 · Just heard of this, and my new mechanic told me a lot of people do this to bypass the possibility of a stuck thermostat, and to cool the fluid temps down. Buy Derale 13021 -6AN x -6AN In-Line Fluid Thermostat: Inline Kits - Amazon. Dec 19, 2006 · Anybody install the new trans cooler thermostat ( TSB GM # 21-NA-199) on their truck? I’ve seen DIY thermostat hack on Youtube to bypass the thermostat. This causes a severe damage to the transmission over time. Designed for controlling fluid temperatures in transmissions, transaxles, transfer cases, differentials, and power steering systems. Buy Dodge Ram 8HP70, 8HP75 Transmission Cooler Thermostat Bypass at the best prices only at RevMax Converters. Feb 16, 2023 · I followed the provided instructions to change the internals to the Sure Cool Bypass. Also included is an 180°F in-line thermostat for activating the electric fan. This process allows the engine/transmission to achieve the ideal operating temperature BMS E Chassis BMW Transmission Cooler Everyone knows that heat is the enemy of your automatic transmission. The biggest concern with the stock setup being the thermostat jamming and not allowing fluid to go to the cooler. It's actually a cooler bypass delete. Jan 19, 2025 · Silverado & Sierra Transmission Temperature The ideal transmission temperature for your Sierra or Silverado is typically in the 160 – 180 degree range. In the stock application, we've seen the valve fail forcing trans fluid around the cooler in warm weather conditions that cause dangerous fluid temperatures for built and stock Oct 30, 2024 · Synthetic trans fluid doesn't start to break down til around 250. . The 6l80e is a great transmission, but certainly has its flaws. com FREE DELIVERY possible on eligible purchases Performs the critical function of bypassing the cooler until the oil has reached its minimum operating temperature. This eliminates rough shifts caused by overcooling the transmission, reduces wear, and improves horsepower and longevity. The thermostat reduces rough shifts caused by overcooled transmission fluid, reduces wear, and improves efficiency and horsepower. Our thermostat delete kit is a simple drop-in kit that completely seals off the bypass tube. Unfortunately, and according to SPE, there's a thermostatic bypass valve inside of the 6R140 that prevents trans fluid flow to the trans cooler until fluid is 195' ish. For newer models with a 6L80 or 6L90 however (2014+), the transmission cooler lines utilize a built in thermostat that remains Jan 9, 2023 · Follow me here: The trans fluid at the inlet and outlet of the stock transmission cooler is also always 97'f - 105'f (at the metal elbows). How hard is this and can I do it myself vs having the trans shop do it? I also am adding a additional trans cooler in the bed. Nov 1, 2018 · Having the trans refreshed and I already have a deep pan with cooling fins on it. But apparently even a cooler does you no good The adapter's built-in thermostat automatically bypasses the transmission cooler until the fluid reaches operating temperature. This transmission oil cooler bypass valve is designed to regulate the flow and temperature of the transmission fluid to ensure proper operating temperature of the transmission on specified vehicles. Many repairs will not require additional labor for the TBV replacement as it may be necessary to remove the TBV to complete the transmission repair. Dorman Products - Aftermarket Auto Parts & OE Solutions - 624-650 : Transmission Oil Cooler Bypass Valve. The 3rd Gen Dodge transmission coolers are notorious for having the transmission cooler thermostat stick in the bypassed position, causing high operating temperatures. This process allows the engine/transmission to achieve the ideal operating temperature quicker Aug 23, 2020 · After researching, I found out that the 2018 Suburban with the 6L80E has a transmission cooler thermal bypass valve from the factory. Which is the best Jan 19, 2025 · Tight on space or need to mount your trans cooler in a remote location? No worries, use a transmission cooler with a fan. Feb 27, 2019 · Based on your sig, have a thermostat but it does not look like the one in the video. An efficient 16 pass tube and fin cooler coupled with a Tornado fan and aluminum brackets, this kit comes with a complete installation kit to install easily on all vehicles with 5/16" or 3/8" transmission cooler lines. Includes integral AN -6 fittings / hose barb adapters. To answer your original question, I am sure it can be eliminated and the water to oil cooler (diesel application) is located underneath in front of the truck - you Description This Billet Style Cast Aluminum Fluid Control Thermostat with 3/8" NPT ports allows the oil to bypass the cooler until it reaches 180°F at which point the internal thermostatic valve will close and force 100% of the oil through the cooler while maintaining a constant pressure system. Learn more about our picks for best transmission coolers with fans! Jul 3, 2014 · 48RE Trans cooler thermostat Jump to Latest 13K views 3 replies 3 participants last post by suenos3 Jul 4, 2014 S Aug 15, 2024 · Parts Required: Transmission cooler, bracket and thermostat, fluid Performance Gain: Proper transmission cooling Complementary Modification: Inspect or replace cooler hoses to the transmission Explore Derale Performance for innovative cooling solutions and high-quality performance products designed to enhance your vehicle's efficiency and reliability. com FREE DELIVERY possible on eligible purchases For vehicles repaired under the Powertrain coverage, use the following labor operation. Being new to RAMs, I'd assumed my vehicle had a transmission cooler in it like my Expedition. 100% bolt-on for 6L, 8L, and 10L series General Motors automatic transmissions. Transmission Cooler Thermostat Bypass Plug Barbell Compatible with GMC Cadillac Chevrolet with 6l80/90 8l90 2014-2020, Fit for 86774933 Thermal Bypass Valve (Double O-Ring) The adapter's built-in thermostat automatically bypasses the transmission cooler until the fluid reaches operating temperature. Actually I'm not even sure if a 9T65 has a thermostat in the fluid cooler loop. 3RD GEN DODGE TRANSMISSION COOLER THERMOSTAT DELETE KIT The 3rd Gen Dodge transmission coolers are notorious for having the transmission cooler thermostat stick in the "bypassed" position, causing high operating temperatures. Apr 3, 2018 · The transmission cooler has a thermostat that opens and closes to (1) allow hot transmission fluid to flow through the cooler when it's hot, and (2) to bypass the cooler and send cold fluid back to the transmission to allow it to reach operating temperature. I am going to remove the trans cooler thermostat and flip it around. Shop at DmaxStore for your Duramax needs. Now available from PBH is a complete transmission cooler kit designed to work hand in hand with our 6R80 transmission fittings, perfect for most 6R80 or 10R80 swaps. I used the fluid transfer pump to put 7 quarts back into the transmission and then brought it up to temp and checked for leaks. Less than 5 minutes on the bench and I reinstalled the thermostat to the trans and cooler lines. Mar 24, 2013 · Unlike thermostat bypasses, this kit utilizes a high quality full-flow thermostat to regulate temperature that is mounted away from the transmission in a serviceable position. May 14, 2025 · The trans does not go over 172 according to the display. Activates at 180°F & turns off at 165°F. 71 LPM). The trucks have an external cooler that will keep the trans temp independent of the engine coolant so it's not really the same scenario. -Simple install-Lowers overall operating temperature by up to 30 degrees-Now Jan 22, 2022 · Built-in thermostat reduces wear, improves horsepower, and eliminates other issues caused by overcooling of the transmission fluid. 6L L5P truck with a Wehrli thermostat bypass plug. Apr 20, 2011 · Buy Derale 13011 Fluid Control Thermostat Kit,Silver: Thermostats - Amazon. Available at Geno's Garage, part number GG-48TSDEL. dei iweu rihdhe u3 wdyol sy9tl nu4fe4v j8yxwf okku37z rgt