6l80 transmission temperature

Summer 6L80 Trans temp V8 and V6 Transmissions / Driveline (6L80 / 6L50 / TR6060 / AY6) You are browsing camaro5 Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5.com > Engine ... Summer 6L80 Trans temp. Hey guys I need some opinions.

Circle D 6L80E Transmission Upgrades - Safe Six - Tech. Circle D Makes GM's Best-Ever Transmission Even Better With its Bulletproof 6L80E Six-Speed Upgrades. Stephen Kim Writer Jan 19, 2011.The 6L80 can use either a 258mm or 300mm torque converter. The 6L80 is ideally suited to complement GM's LS or LSX engines that are used in two-wheel drive applications. With a modular design, 6L80 transmissions remanufactured and sold by Certified Transmission have components that are common to the six-speed group of transmissions.Time to swap out your 6L80e for a 4L80e/4L70e/4L60e? Our plug and play harness makes quick work of the wiring required for the swap, and allows you to use an OEM GM Transmission Control Module (included)! Retain all of the great features while tuning with a tuning suite since it is a GM module. Even operates the factory transmission temperature gauge! No reprogramming of ECM or BCM required ...Have you noticed your milk getting frosty? Meat spoiling quickly? It’s likely your refrigerator is set to the wrong temperature. The FDA recommends keeping your refrigerator at or ...My transmission fluid temperature around town used to run 191°. Now it is holding at 144°. Reactions: Leveled17yeti and swathdiver. ... once i see what they find out at the chevy garage. my truck is a 2016 chevy silverado 1500lt-z71 4x4. 5.3liter v8. 6l80-transmission. ...Circle D Transmission Rebuild Kit 6L80 Level 3 quantity. Add to cart. Purchase and earn 2595 SSOnly Points worth $ 25.95! *Must be logged in. ... The ideal operating temperature for this transmission is 180°or less. These transmissions have a tendency to run very hot - the cooler will lower operating temperature and recovery time which in ...

Developed with upgraded internal components, Chevrolet Performance’s SuperMatic 6L80-E 6-speed automatic transmission offers an exceptional torque rating of 650 lb.-ft. – a 45 percent increase over regular production versions of the 6-speed automatic. Find Dealer. Connect & Cruise Powertrain System.May 25, 2023 · Exhibit A: GM 6L80/90. The first overheating case comes from GM 6L80 and 6L90 transmissions equipped with a thermal bypass valve in the cooler lines.. The purpose of the thermal valve is to get the transmission fluid up to temperature when it is cold.The purpose of a thermal control valve within an automatic transmission is to direct cold versus hot torque converter oil between two circuits. Those circuits are selected by a wax-filled thermal element that positions a pin ( Figure 1 ). "Pin-inward" is the cold position, and "pin extended" is at the operating temperature.Sep 24, 2018 ... Installing an A pillar mounted Auto Meter gauge into a 2005 Chevrolet Silverado 1500. Project Half Ton Tow Rig. Get your gauge here: ...The issue is the trans temps run 5-10 degrees hotter at around 205-210 at steady state. The car has a B&M Hi-Tech trans cooler with a fan mounted under the left headlight and the trans fluid in …3) Check the voltage drop reading on the positive and negative battery cables. The voltage drop should be performed with the fuel injectors disabled and while cranking the engine. The voltage drop should not exceed 200 mV. If the voltage drop is above 200 mV, replaced the effected cable.The 6L80 can use either a 258mm or 300mm torque converter. The 6L80 is ideally suited to complement GM's LS or LSX engines that are used in two-wheel drive applications. With a modular design, 6L80 transmissions remanufactured and sold by Certified Transmission have components that are common to the six-speed group of transmissions.

5. Reaction score. 0. 5.3l trans. temp. I would say the readings you are seeing are perfectly normal. Consider that the transmission cooler runs through the radiator. The coolant also runs through the radiator. If the coolant coming from the engine is 190-200*, it would stand to reason that the trans temps would be in that range too.CLICK on the Blue Link below to view the parts that are being talked about in this video SUPERIOR SOLUTIONS SURE COOL https://amzn.to/40heNZdTRANSGO BYPA...The truck had been in the shop longer than I had actually it in my own possession, so I told them to get me out of it, which luckily they did. I ended up getting a 2018 Silverado. Transmission temp runs in the 190s at its peak and it’s a 5.3 v8, so I’m curious if the bypass valve is the same as a v6.The 6L80 can use either a 258mm or 300mm torque converter. The 6L80 is ideally suited to complement GM's LS or LSX engines that are used in two-wheel drive applications. With a modular design, 6L80 transmissions remanufactured and sold by Certified Transmission have components that are common to the six-speed group of transmissions.The 6L80, on the other hand, has a first gear ratio of 4.03, a second gear ratio of 2.36, a third gear ratio of 1.53, a fourth gear ratio of 1.15, a fifth gear ratio of 0.85, and a sixth gear ratio of 0.67. This means that the 6L80 transmission has a wider range of gear ratios, which allows for better acceleration and fuel economy.

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GM 6L80E Transmission 6L80E Performance transmissions 6L80E Chevrolet Performance. 6L80E Street Rod conversions, Rebuilt 6L80-E Transmissions. Call +1 (602) 920-8926. ... Temperature; TCM-2650 Mechatronic Controller; Torque Converters. 4L60E 4L65E 4L70E; 4L80E 4L85E; 6L80E 6L90E; Turbo 400 Converters; Transfer Case.The full service manual for '12, for the 6l80 has a 'reset' procedure, which resets the various learned parameters to their default values, and the transmission then relearns as you drive around. It doesn't need a specific trans temp to perform.Line Pressure Tap is located in the converter housing on the right hand side as shown below. Normal line pressure should be 50-53 PSI, when in Park or Neutral and RPM below 1500, and then should rise smoothly with throttle opening when in gear and road testing. Amount of line rise will depend on engine load and vehicle speed.The 6L80E Transmission features: New clutches, gaskets, seals, filter, band, and a slew of modern updates throughout the unit, including the valvebody for durability and reliability. All units are thoroughly inspected for peace of mind. This is a stand-alone product, please review the following details: - Free Factory Torque Converter, Stall ...We provide an out-the-door price, with shipping, for a replacement remanufactured 6L80 transmission direct to the repair shop. 6L80 Transmissions At Wholesale Prices ... Transmission Fluid Temperature Sensor Circuit Intermittent P0715: P0715: Input/Turbine Speed Sensor Circuit: P0716:

View recommended parts for quality repairs of common transmission problems quickly and easily. ... 6L90 Transmission 6L80 Transmission 6L50 Transmission 6L45 Transmission. Related Parts. Required. Recommended. 6L45, 6L50, 6L80, 6L90 Pump Vane 76742. Width: 0.534" Height: 0.706" Thickness: 0.079"The input speed sensor faces the 1-2-3-4 and 3-5-R clutch housing and is triggered by splines on the housing outside diameter. The sensor receives 8.3-9.3 volts from the TCM, and produces a signal frequency based on the spline profile and rotation speed of the 1-2-3-4 clutch housing. The TCM uses this signal to determine line pressure, shift ...Engine Coolant Temp Sensor Alternator Control (2) Upstream Oxygen Sensors Crankshaft Position Camshaft Position Fuel Injectors ... ADDITIONAL ITEMS REQUIRED: E38 ECM, T43 TCM (LOCATED IN VALVE BODY OF 6L80E/6L90E TRANSMISSION), CORVETTE OR VORTEC TRU. PSI '08 - '14 LS3 (6.2l) W/ 6l80e Standalone Harness ReviewsThis is the first transmission temperature thread I have seen on this forum that contains accurate information. First of all-if you are towing up a hill in 90plus degree temps YOU WILL see temps in the 225 range for the duration of the pull. Yep, about 90-100 over ambient temperature is what you can expect under normal operating conditions.Verify engine is idling at 0% throttle. Verify transmission fluid temperature (TFT) is between 86°F and 122°F. Shift transmission through entire range – hold in each range for at least three (3) seconds. When complete, shift vehicle back into PARK. Remove Fill Plug.Watch this video to find out whether or not to use paint that has been stored outside in freezing temperatures. Expert Advice On Improving Your Home Videos Latest View All Guides L...A 2013 Ford F-150 equipped with the 6R80 Transmission was overhauled and reinstalled back into the vehicle. On the initial road test, the "trans temp" lamp came on. The truck was equipped with a dash-mounted monitor which was set to engine RPM, vehicle speed, engine coolant temperature and transmission temperature.About the GM 6L80 Automatic TransmissionThe 6L80/6L90E automatic transmission fills a much needed duty gap between the versatility of the 4.0L series and the Allison variety. All previous GM transmissions had been based on hydraulic controls with more electrical aspects with each upgrade, but this unit was developed as an electro/hydraulic controlled transmission. This transmission can be used ...Better Fuel Efficiency: A well-tuned 6L80E can contribute to improved fuel efficiency. By optimizing shift points and torque converter lockup, tuning can help your vehicle operate more efficiently, potentially saving you money at the pump. Customized Performance: Transmission tuning is not a one-size-fits-all solution.

Holden Commodore VE 6L50E 6Speed Automatic Transmission Service & How to Check Fluid Level.#6l50etransmssion #6l50transmission #cars #automotive #transmissio...

If the transmission is failing: It might skip gears. It could be slow to engage into drive. It is likely to start slipping. A smaller repair bill. If the transmission has likely failed (red alert!): The truck will not move - Sometimes called P-N-N-N-N-N (Park-Neutral-Neutral….)Information for the General Motors 6L80 transmission torque converter. Converter has OEM Numbers of 17803808, 17804387, 19366835, 19366836, 24245965, 24247371, 24265441, 24272305, 24274215, 24279756, 24285996, 24285997, 24286575. We are the USA's largest torque converter supplier!According to one mechanic, the 2007 Silverado's transmission cannot exceed 300 degrees F. The 2011 models and maybe 10 and 12 as well, should not go above 270 degrees F and definitely not above 285 degrees F. That was taken from a direct GM quote. Some dealers put the mark at 212 degrees F to be on the very safe side of things.transmission fluid level if you have been driving: • When outside temperatures are above 90°F (32°C). • At high speed for quite a while. • In heavy traffic - especially in hot weather. • While pulling a trailer. To get the right reading, the fluid should be at normal operating temperature, which is 180°F to 200°F (82°C to 93°C)It's no secret if you own a 2014- 2018 Chevy Silverado or GMC Sierra that they have transmission issues. One reason for this is that they ran too hot from t...transmission fluid level if you have been driving: • When outside temperatures are above 90°F (32°C). • At high speed for quite a while. • In heavy traffic - especially in hot weather. • While pulling a trailer. To get the right reading, the fluid should be at normal operating temperature, which is 180°F to 200°F (82°C to 93°C)Oil temps look ok, but the transmission temp is way too high. Install an aux trans cooler and try to keep the trans temps around 180. 03-16-2012, 10:19 PM ... (6L80 / 6L50 / TR6060 / AY6) 4: 02-17-2011 09:06 AM: Normal coolant temperature: Sturmer: Mechanical Maintenance: Break-in / Oil & Fluids / Servicing: 5:GM & BMW 6L80 Family Identification Guide. This identification guide covers GM 6L45, 6L50, 6L80 and 6L90 valve bodies, plus the BMW early- and late-style transmission separator plates. 6L45/50 Early-Style ('10-Earlier) Upper Casting; 6L45/50 Late-Style ('10-Later) Upper Casting ... Temperature sensor codes; Required. Recommended. 6L80, 6L90Women who get HIV have unique problems and symptoms, including repeated vaginal yeast infections and higher risk of cervical cancer. Learn more. HIV stands for human immunodeficien...

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2145 posts · Joined 2012. #9 · Nov 18, 2021. I had the same issue on my 2018 suburban with the 6L80e temp reaching 210F during summer driving into town stop and go traffic. Best modification I did was the bypass thermostat delete. Now the temps don't go over 180F in stop/go traffic and cruising highways at 160F.Jul 18, 2018 ... ... transmission fluid to not only keep the temperature of the transmission lower, but it will also increase the flow of transmission fluid ...This B&M Cast Alu-minum Deep Transmission Fluid Pan has been designed to work on most GM vehicles equipped with 6L80 transmissions (specifically 2010-2014 Camaro SS equipped with an auto-matic transmission). The B&M Cast Aluminum Deep Fluid Pan provides several advantages over stock factory oil pans. The extra capacity provides …Transmission temperature ... V8 and V6 Transmissions / Driveline (6L80 / 6L50 / TR6060 / AY6) - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5.comFind Chevrolet Performance SuperMatic 6L80-E Transmissions and get Free Shipping on Orders Over $109 at Summit Racing! Chevrolet Performance developed the new SuperMatic 6L80-E 6-speed automatic transmissions with upgraded internal components, offering an exceptional torque rating of 650 lbs.-ft. That's a 45 percent increase over regular-production versions of this same transmission.6l80e fast learn procedure problem. I have read the stickys and researched like crazy. My issue is everytime I try and get it to do a fast relearn the scanner status says Temp Low. Ive logged trans temp in Celsius like the sticky say to and can only get trans temp up to around 79*c which is around 170*F. Stickys said mandatory of 70*+C.Bulletin No.: 22-NA-182. Date: September, 2022. INFORMATION. Subject: Information on 6L80 6L90 8L90 10L80 10L90 10L000 Equipped Vehicles With A Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.This Superior Bypass Kit from Transtar (p/n A104996-5K) allows full-time cooler flow and lubrication to parts. The kit reduces the risk of overheating while under load and increases transmission fluid life. Fits 2010-2021 GM applications with 6L80-6L90 transmissions.6L80E 6L80 Transmission. $ 3,295.00 $ 2,495.00. The 6L80E transmission is now for sale at our lowest price! We pull out all the stops with our Hydra-Matic 6L80 build. From its clutch packs helical cut gears to its performance Built lock-up torque converter you won't find a better deal on the market. Hydra-Matic started production of the 6L80E ...Put the engine idling (0% throttle). Check if the transmission fluid temperature (TFT) ranges from 86 to 122 degrees Fahrenheit. Shift the transmission range as you hold in each range for 3 seconds. If the shift is complete, return the vehicle to PARK. Pull off the Fill Plug and remove the Level Control Plug.First seen in the 2006 Corvette, the GM 6L80 transmission and it’s heavy duty twin the 6L90 transmission, were modern 6-speed automatic transmissions that employed a number of novel features like a 4-element torque converter and direct clutch-to-clutch shifting. ... Transmission Fluid Temperature Sensor Circuit Range/Performance: P0712 ...GM V8 Tuning - Transmission; 6L80E fluid temp "stuck" at 32 Degrees; Results 1 to 4 of 4 Thread: 6L80E fluid temp "stuck" at 32 Degrees. Thread Tools. Show Printable Version; 10-23-2016 #1. jackleg. View Profile View Forum Posts Private Message Potential Tuner Join Date Oct 2016 ….

Click the Amazon Link below to view or order part shown in this video 1. SURE COOL -- https://amzn.to/3z5GUzv2. TRANSGO DELETE -- https://amzn.to/3FP...2014 Silverado, 6L80, 4x4, ~140k 5.3l Symptoms/Background. ... Transmission temperature stays below the ~190f range during all this.[/*] When left to cool down completely, I have found that normal function returned. Sometimes with the same flare, and clunk, other times, just normal. I am able to put it in drive, and drive like nothing happened.#automotive #mechanic #automobile Transgo 6L80 6L90 Cooler Delete https://amzn.to/3qgeMZSor Check out our amazon store for items or products used in our...6L80 TEHCM At Wholesale Prices At Street Smart, we provide remanufactured valve bodies shipped direct from the factory at wholesale prices. GM Valve Body + TEHCM Part Number Table. 6T70 / 6T75E 6T40 ... Transmission Fluid Temperature Sensor Circuit Intermittent P0715: P0715:The 6L80E transmission is widely used in such popular GM applications as the Silverado and Sierra trucks, Tahoe, Suburban, Denali, Hummer H2, Cadillac Escalade, STS and CTS, Camaro, and G8 . The 6L80E transmission is prone to issues that include: 2-3 harsh or delayed shifts, harsh or delayed shifts from park or reverse, burnt 1-2-3-4, or 3-5 ...Sonnax remanufactured TEHCMs for GM 6L80 and 6L90 transmissions are the affordable, reliable alternative to buying new from OE. Watch this video to learn how to choose the right TEHCM for your build and warning signs of TEHCM failure. Plus, see how Sonnax remanufactures the TCM, solenoid, sensors and pressure switch components by …Exhibit A: GM 6L80/90. The first overheating case comes from GM 6L80 and 6L90 transmissions equipped with a thermal bypass valve in the cooler lines. The purpose of the thermal valve is to get the transmission fluid up to temperature when it is cold. I think if the valve were to fail in the open position no one would ever know the …listed in this TSB. 6 Speed (6L80, 6L90) - 158F (70C) - TBV is external to the transmission 8 Speed (8L90) - 194F (90C)– TBV is external to the transmission 10 Speed (10L80, 10L90, 10L1000)– 143F (61C) – TBV is within the valve body on all listed applications expect those equipped with 3.0 (LM2) Diesel. On the LM2 Diesel the TBV isA new set of climate models hones in on urban areas, where temperatures are most extreme. Scientists have long known that cities tend to be warmer than their surroundings—by 10° Fa...The issue is the trans temps run 5-10 degrees hotter at around 205-210 at steady state. The car has a B&M Hi-Tech trans cooler with a fan mounted under the left headlight and the trans fluid in plumbed through the radiator. My tuner/builder has checked the transmission tune multiple times and assures me it is OK. 6l80 transmission temperature, Pain Signal Transmission - Pain signal transmission relies on sensory fibers in the dorsal roots to transmit pain to the spinal cord. Learn more about pain signal transmission. Adv..., 2015 Chevrolet Silverado 2 wheel drive. Transmission is rebuilt, and all clearances on ALL clutch packs checked and corrected and all are within ATSG specs. New torque converter, Trans-go shift kit, new pump. Truck runs & shifts but it has a harsh 3-2 downshift, and a flare shift on 2-3 up, and other harsh downshifts as well. I've attempted to use HP TUners to do the fast learn., The six-speed automatic transmission utilizes a broader gear ratio which accounts for its improved performance and fuel economy. While the 6L80 six-speed automatic transmission did excellently, the 6L90 upgrade made the 6L90 a better transmission. Fortunately, the 6L80 was replaced but existed together with the 6L90., Line Pressure Tap is located in the converter housing on the right hand side as shown below. Normal line pressure should be 50-53 PSI, when in Park or Neutral and RPM below 1500, and then should rise smoothly with throttle opening when in gear and road testing. Amount of line rise will depend on engine load and vehicle speed., We provide an out-the-door price, with shipping, for a replacement remanufactured 6L80 transmission direct to the repair shop. 6L80 Transmissions At Wholesale Prices ... Transmission Fluid Temperature Sensor Circuit Intermittent P0715: P0715: Input/Turbine Speed Sensor Circuit: P0716:, The full service manual for '12, for the 6l80 has a 'reset' procedure, which resets the various learned parameters to their default values, and the transmission then relearns as you drive around. It doesn't need a specific trans temp to perform., GM 6L80E Transmission 6L80E Performance transmissions 6L80E Chevrolet Performance. 6L80E Street Rod conversions, Rebuilt 6L80-E Transmissions. Call +1 (602) 920-8926. ... Temperature; TCM-2650 Mechatronic Controller; Torque Converters. 4L60E 4L65E 4L70E; 4L80E 4L85E; 6L80E 6L90E; Turbo 400 Converters; Transfer Case., We checked the temperature of our truck and of course, the temperature was 195°F (which is too hot). In the video, we men ...more. It's no secret if you own a 2014- 2018 Chevy Silverado or GMC..., 6L80/90 technical information. Pressure test port: passenger’s side behind bell housing. Pressure test specifications, have transmission full of fluid and warmed to operating temperatures, Use scan tool to command EPC solenoid for test. Without scan tool you will have approximately 45-80 psi at idle and upwards of 300 in gear at WOT, do not ..., The six-speed automatic transmission utilizes a broader gear ratio which accounts for its improved performance and fuel economy. While the 6L80 six-speed automatic transmission did excellently, the 6L90 upgrade made the 6L90 a better transmission. Fortunately, the 6L80 was replaced but existed together with the 6L90., One of the key differences between the 6l80 and 6l90 transmissions is their size and weight. While nearly identical, the 6l80 is a slightly smaller transmission, with a total weight of around 195 pounds dry and 23.4″ in length. In comparison, the 6l90 transmission is about 1.5″ longer., Nov 16, 2021 · 2145 posts · Joined 2012. #9 · Nov 18, 2021. I had the same issue on my 2018 suburban with the 6L80e temp reaching 210F during summer driving into town stop and go traffic. Best modification I did was the bypass thermostat delete. Now the temps don't go over 180F in stop/go traffic and cruising highways at 160F., #1 · Feb 26, 2022. Found on the internet Technical Service Information #21-NA-199 that talks about this new valve that will open at 158 degrees, instead of 194 degrees for the stock valve. This applies to vehicles from 2014-2020. I have a …, engine with a 6L80 six speed automatic transmission from a 2014. Chevrolet Silverado was installed in an engine dyno test cell. The. transmission dataset includes gear e ciencies, torque converter ..., What is a good transmission temperature range for a 6L80 in a 2015 Chevy Silverado 1500. Also can the fluid be to cold - Answered by a verified Chevy Mechanic. ... The low reading is 160 so I don't know exactly what the temperature is Transmission Fluid ..., This upgrade is a game-changer for anyone with a 2014-up 6L80/90E or 2016-up 8L80/90E transmission. The installation process was straightforward, and the immediate difference in performance was noticeable. ... When new the transmission temperature is made to operate at 195 degrees F. The fluid deteriorates at 200 degrees F., , , Hurry before it's to late!!! How to make your 6L80e,6L90e,8L90e stay cooler and last longer… We hope you all enjoy thanks for watching.👍🏼 ️🙏🏼, View recommended parts for quality repairs of common transmission problems quickly and easily. ... 6L90 Transmission 6L80 Transmission 6L50 Transmission 6L45 Transmission. Related Parts. Required. Recommended. 6L45, 6L50, 6L80, 6L90 Pump Vane 76742. Width: 0.534" Height: 0.706" Thickness: 0.079", Let's visit such a case with GM's 6T40 family of transmissions. The 6T40 transmission family includes the 6T30, 6T40, 6T45, and 6T50 units. These units vary in torque capacity and, in the case of the 6T30, case size (figure 1). Hydraulic, mechanical, and electrical fundamentals are the same. These units are the "little brother" to the ..., Nov 23, 2022 ... Superior Solutions 6L80 6L90 8L90 Sure Cool System Upgrade: https://www.amazon.com/dp/B0BCL9M23T?psc=1&ref=ppx_yo2ov_dt_b_product_details., This Superior Bypass Kit from Transtar (p/n A104996-5K) allows full-time cooler flow and lubrication to parts. The kit reduces the risk of overheating while under load and increases transmission fluid life. Fits 2010-2021 GM applications with 6L80-6L90 transmissions., Most commonly, prices range from $2500-$3000. Here we have mentioned estimated prices for your GMC Yukon transmissions: 4L60-E transmissions costs around $1,795. 4L80-E transmissions costs around $2,031. 6L80 transmissions costs around $3,899. 4L65E transmissions costs around $1,799. 6L90 transmissions costs around $3,899., Scientists are still learning about Covid-19 vaccines' full potential in stopping the pandemic. This week, the US Centers for Disease Control and Prevention put out interim public..., Problem #5 - The High Pressure Oil Pump. As with the valve body, the 6L80-E high pressure oil pump contains multiple valves that are responsible for the proper oil flow about the transmission, and as a result, suffers from similar issues. These valves can stick, wear at the bore, springs can break and more., The 6L80's universal design allows it to fit in larger GM and Chevy SUV's like the Hummer H2 and Tahoe, it's also compatible with smaller vehicles such as the Caprice and Pontiac G8. Home; ... GM 6L80E Transmission 2wd or 4x4. Part Number: TR6L80ESTK4. Choose Options. Critical Core *, Exhibit A: GM 6L80/90. The first overheating case comes from GM 6L80 and 6L90 transmissions equipped with a thermal bypass valve in the cooler lines. The purpose of the thermal valve is to get the transmission fluid up to temperature when it is cold. I think if the valve were to fail in the open position no one would ever know the …, Found on the internet Technical Service Information #21-NA-199 that talks about this new valve that will open at 158 degrees, instead of 194 degrees for the stock valve. This applies to vehicles from 2014-2020. I have a 2014 GMC Sierra 1500, Crew Cab, 4WD, 5.3L. When I am pulling an RV trailer, my transmission temperature is usually 194 degrees., 2015 Chevrolet Silverado 2 wheel drive. Transmission is rebuilt, and all clearances on ALL clutch packs checked and corrected and all are within ATSG specs. New torque converter, Trans-go shift kit, new pump. Truck runs & shifts but it has a harsh 3-2 downshift, and a flare shift on 2-3 up, and other harsh downshifts as well. I've attempted to use HP TUners to do the fast learn., Found on the internet Technical Service Information #21-NA-199 that talks about this new valve that will open at 158 degrees, instead of 194 degrees for the stock valve. This applies to vehicles from 2014-2020. I have a 2014 GMC Sierra 1500, Crew Cab, 4WD, 5.3L. When I am pulling an RV trailer, my transmission temperature is usually 194 degrees., When Park or Neutral is selected after the transmission was operating in Drive, or Reverse, exhausting 3-5/Reverse Feed fluid unseats the checkball. This allows for a faster exhaust of 3-5/Reverse Feed fluid and a quick release of the 3-5/Reverse clutch. 08-21. 6L80 CHECKBALL LOCATION AND FUNCTION., hey guys! i have a 2007 truck with a 6l80e transmission. The truck has a 1-2 hard shift. and the 2-3 is slightly wonky.. 3-4, 4-5, and 5-6 are PERFECTLY SMOOTH. The tranny has stock tune on it so does the engine. Fluid and Filter was just swapped out with pan drop about 5 months ago.