But a proper temperature reading taken at the cylinder head and such you'll find temperatures higher than that. CVT is short for continuously variable transmission. The vehicle continued to lose speed and would not respond when I pressed down on the accelerator. They offer a unique manual mode via steering-wheel-mounted paddle shifters. If the Forester CVT fluid to coolant heat exchange is efficient, the CVT fluid will be at 95C, same as the coolant, which is hotter than my peak of 90C noted. connects them. A manual transmission has a clutch that mechanically locks the engine output power to the transmission, while a traditional automatic transmission has a torque converter which uses hydraulic fluid to transfer power. If you notice these symptoms while driving your Subaru, the problem could be sourced to the CVT. This one . shifts gears to Oil is cheaper than steel! Please Like, Comment, and Share. Immediately, there was a huge bang, and my car rocked back and forth. . As a general rule, oils have a fairly narrow normal operating range, roughly 160F-240F.. It's not likely that CVT's will operate at a significantly higher temperature than other oil lubricated equipment. A. control is in tune with changes in engine speed, maximising drivability and Just park it in the snow until it cools down. My experience is heat soak is the big struggle. There was no 5 speed automatic option. That's 115C normal and 130C+ racing. I don't feel my driving would be considered "severe use" under Subarus definition. Generally, the temperature range that transmission fluid should be stored in is from -40 degrees to 175 degrees Fahrenheit. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. To spray washer fluid, pull and hold the lever toward you. It is not unusual for a CVT equipped vehicle to have better fuel efficiency than similar vehicle equipped with a manual transmission. At those temps recing oil is needed and it needs to be changed alot. when you enroll in one of our E-Mail Reminder Services, request information, or use any of the other interactive portions of our Web sites, is securely maintained on our Web server and internal systems. I've had cars where the sensors have varied from 185 f to 215 f. After 10 minutes of 7/10ths driving on the race track on a 70dF day my 2015 WRX saw 230dF oil temps. Without set gear steps, the device benefits the driver with a smoother driving experience and improved fuel efficiency. About twice that length of time, oil is up into the ~210 range, which is normal operating temp. While many feel it's a safety risk, countless people think they're rock solid. Cold is not always best. Outdoor temp 88F, cvt temp 201F (according to my ScanGauge II). Normal running CVT temp is 140 - 210 F, so you can't just warm it up and hope you are at the right temp. Talking to a buddy, the tune came up. Keeping it less than 175F indicates a healthy condition and ensures long mileage. Vettes run 240F+ under normal operating conditions, and close to 300F when racing. CVT, you never hear or feel the Not feeling the love!". Also, I have mounted over my mirror so not much glare. If a CVT belt or pulley is malfunctioning, it could create the sensation of the car shuddering or shaking. Just seems really toasty to me, compared to what I'm used to seeing in vehicles with non-CVT auto trannies. provide the most appropriate ratio for a given situation: lowest gears This is a very dangerous safety concern for any of these vehicles equipped with this CVT transmission, especially when Subaru boasts about how this transmission is completely maintenance free for the life of the car. So what gives? In addition to fuel economy and reduced weight, they offer steady acceleration, smooth operation, and the ability to adapt to varying road conditions and power demands to provide a smoother overall ride. "Eight days later, they confirmed my suspicions. Glad to see this post and topic. Here are some of the most common Subaru CVT problems: Several customers have mentioned that their vehicles came to jarring stops or stall during driving and won't restart. . Hopefully it's not the result of new problems they've encountered in the 2018 CVT's. 2017 Outback Premium 2.5 with Eyesight. At the time you register for any such service, you will be notified of, and asked to consent to, the sharing of your information with any particular third party necessary to the provision of the requested service. 2016 Forester: "Broken transmission due to broken transmission belt at 43,000 miles. JavaScript is disabled. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Where should I have put the thread? infinitely, they are "continuously variable." Before you check the fluid level use your scan tool and make sure the transmission fluid temperature is between 95-113F. for starting out, middle gears for acceleration and passing, and higher Seems General Subaru Community related. Accessories . Done with the tools you need? Thanks for the feedback. Hans nailed it. Thought that would take care of the AT temp light but it did not . But instead of gears, the I no longer believe my Subaru is a safe vehicle. Gave them $27,000 for the car in 2015 and now they won't tell me a basic operating parameter. that means that you are at risk of having to replace . I'm wondering at what temperature the coolant sensor tells the fans to turn on. Understanding and monitoring the limits of the CVT fluid temperature seems like a completely reasonable precaution anyone should take while towing a trailer of any weight. On the contrary, its alarming when it crosses 225F. Enter your registered email address to request a password reset link. 2016 CRV Touring AWD. Thanks for any thoughts on this! Subaru Lineartronic Continuously Variable Transmission (CVT) For instant, seamless response to changing conditions, the redesigned Lineartronic Continuously Variable Transmission elevates efficiency of the BOXER engine and Symmetrical AWD by keeping the engine in its ideal power range. Engine bogs or almost stalls when giving gas. Asked by Mark Nov 19, 2015 at 12:07 PM about the 2010 Subaru Outback 2.5i Limited. ten-speed bicycle you rode as a teen? No light so far. Be wary of these issues in Subarus with CVT transmissions. Not an everyday occurrence, but something I do maybe once a month. It looks like a rectangle plug with 16 pins and slope sides. You're ready to visit Sport Subaru! The Drive has put together additional resources you can use to educate yourself on Subarus CVT Problems: National Highway Traffic Safety Administration (NHTSA). Subaru has agreed to replace the transmission since the car is still under warranty. So I bought a ScanGauge and programmed the CVT Temp. The Fora platform includes forum software by XenForo. Based on all three winter months, however, the Free State was the coolest federal state - with an average of 1.9 degrees. Occasionally you will even come to a stop with the engine idling which is what you do to cool the CVT anyways. It's probably. 2001 Outback EJ25-5MT - 406,000km, 2016 Outback Limited Tech-FB25-CVT6 - 9,000km. The chain link is connected to both the input shaft and the output shaft, and as the pulleys change, so do the drive ratios. We use this information to help diagnose problems with our server, administer the Web site, and compile broad statistical data. JavaScript is disabled. 2013 Crosstrek: "Slow starting when turning over from stop/park/cold/hot. The "forever CVT fluid" isn't true, (in my opinn). You will also find that most transmission fluids start to degrade quickly at high temperatures. The tranny temp gonna be about 200degF because it's connected to the radiator which is regulated by the 195degF t-stat. For a better experience, please enable JavaScript in your browser before proceeding. To help ensure the protection of your privacy, we recommend that you review the privacy policy of any site you visit via a link from one of our Web sites. IMHO, you're looking for a problem that does not exist. 4. The coolant is regulated by the thermostat, but engine oil temperatures and CVT fluid temperatures are only influenced by the coolant. I would think it'd be the opposite of the cooler was fouled. (Some other manufacturers use belts.) It is a known issue with models with their original CVT transmission, but rather than issue a recall, theyre extending warranties and fixing as they break. This information enables us to determine which areas of the Web sites are most frequently visited and helps us to tailor the sites to the needs and interests of our online visitors. I ended up installing a Hayden 679 cooler after the OEM heat exchanger. Without shift shock, your CVT-equipped Subaru should at least feel snappier while accelerating. Features & Benefits Enhanced friction durability prolongs transmission life and promotes smooth shifting. At what temperature would overheating warning light come on? This characteristic takes some time to become accustomed to and may lead you to believe the transmission is slipping or that the engine RPM does not change in direct relation to accelerator input. Save Share. It could be several things but the main culprit is overworked transmission fluid. Engines are designed to work over a wide range of engine speeds (RPM) however the torque and power output do not remain constant. To overcome these losses torque converters are equipped with a lock up clutch that can mechanically lock the engine output to the transmission under certain conditions. And it seems to stay around 218*+. I'd like to share that Honda doesn't say what their CVT fluid is made of either; is it conventional? Please provide your email address to begin receiving price alerts at home, at work, and on your phone! In an engine such as the Subaru Boxer Engine the power from the rotational force of the engines crankshaft is calculated as a function of the engine torque and engine speed. I suspect the fluid temps between the cvt and the old 5eat will run very similar. After checking with a ScanGuage I found the transmission was running at 194F, right where Toyota says it should, but given the fluid condition I think that temperature is too hot. Our dealership collects information online primarily to provide our visitors with a more relevant experience on our sites. Our dealership may use other companies and individuals to perform certain functions on our behalf. If that is not possible, I'll perform more frequent AT fluid changes. Three times in one and a half years. 2021 Subaru WRX 2.0L CVT Base. ATF flows easily at room temperature so there's not much need to warm it up in order to drain it. I placed it down on top of the open cubby lid. My fuel light had just turned on minutes before this, but I still had 60 miles to go before empty. UltraGauge is both an OBDII Scan Tool and an Information center that displays selectable engine gauges, such as RPM, Speed, Coolant Temperature, Boost, Distance, Fuel Pressure, Mass Air Flow, and more. A 40min drive 5 times a week with some of stop and go traffic. You've got questions. We'll have this time-saving information on file when you visit the dealership. My understanding is that Forester Wilderness has TR 580 CVT with modified final drive/upgraded cooling and that is not identical to transmission that is in Outback Wilderness. A highly heated state oxidizes it and makes it form varnish on the internal parts of the components such as the valve body. simply selecting the most appropriate gear ratio. "All ignition coils replaced. Subaru combines its Boxer engine with the CVT. that it allows the engine to operate longer at a lower speed than conventional Page 18 Controls Manual HVAC System (if equipped) 1. They did not confirm what "too high" was however--I have an email to one of the NE engineers to try and get a specific answer. The Drives informational team has been digging through forums, recalls, and consumer complaints to get a sense of what issues you need to be aware of when buying or driving a Subaru with a CVT. So, for those of you who tow, if you have one of the very few specific OBD dongles that work with ActiveOBD and an Android phone, you can monitor your CVT temp when towing. I remember it was water cooled and thats about it. At least I know now the CVT runs hot. In the event that our dealership sells or transfers a particular portion of its business assets, consumer information may be one of the business assets transferred as part of the transaction. 2011 Subaru Outback F4-2.5L SOHC. I tried to get the car into drive by turning the car off and on and utilized other techniques, but I was not able to drive my car. Can someone else who has one of these setups (Torque/whatever) and a Subie w/CVT check my work? The Lineartronic CVT has proven so well suited to the SUBARU BOXER engine and Subaru symmetrical full-time All-Wheel Drive, it has replaced most traditional automatic transmissions in the Subaru line-up. Our dealership takes your privacy seriously and is committed to safeguarding your privacy online. To understand the operating characteristics of a CVT we need to understand why CVTs were developed and what they are designed to accomplish. Noise is created by these gears, however at a lower frequency. Thank you Wirat for sharing your thoughts on the cvt. If youre out of coverage or youve put a bunch of miles on your Subaru, some of the minor repairs cost roughly $1,000-$2,500. I kind of like the look of the display of the UltraGauge but if ammcinnis is correct that it doesn't monitor cvt temp that would be out. However, throughout the past decade, hundreds of customers have complained to the National Highway Traffic Safety Administration (NHTSA) about several problems relating to Subaru's CVTs. Optimum efficiency seems to be when both are in the 90C range (around 200F). However, the further apart the first gear ratio is from the final gear ratio the less responsive the vehicle is at all speeds in between. When decelerating over a longer distance such as a highway off ramp the CVT will keep the torque converter locked-up as long as possible to provide engine braking similar to a manual transmission equipped vehicle. And because these pulleys can vary their width Please remember that, unless otherwise stated, any information that is disclosed in these areas becomes public information and you should exercise caution when deciding to disclose your personal information in these areas. Within this wide range of RPM, maximum torque is achieved at the RPM the engine is able to move the maximum amount of air and fuel in and out of the engine. It also provides superior cooling and excellent low-temperature fluidity for smoother operation in cold weather. Yet there is more than Of course, cold fluid is also hard on things as well since cold fluid doesn't work as well as operating temperature fluid -- which is the reason for the heat exchanger on the transmission -- as well as oil temperature and pressure sensors found inside of the transmission. I'd bring into the dealer for sure. 220 is not hot. Instead, the CVT uses a pair of variable diameter, cone-shaped pulleys connected by a steel chain, which transfers all engine power. When I am driving spiritedly I have seen as high as 210 but it quickly dropped down to 205. Regardless, this is about a brand new WRX. My car begin to roll backwards. In your case I don't think you should do anything different other than follow the "severe use" schedule if you want piece of mind. I don't tow or go off road, just normal city and highway driving. 2016 Outback Premium 2.5 CVT w/EyeSight+SRVD, "If you don't know where you're going, any road will take you there." Traditional Because we do gather certain types of information from visitors to our sites, we have developed a privacy statement to help you understand the terms and conditions surrounding the collection and use of that information. I guess it would be prudent to check you coolant level as well. needed, calling up higher engine speeds (or RPM) for better That's what I think since you asked. name, e-mail address, etc.) acceleration and lower RPM for better fuel economy while cruising. Subscribers or site visitors will never receive unsolicited e-mail messages from agents working on our behalf. Operate the select lever in P R N D and D N R P to circulate CVTF with the engine idling. I just received my notice yesterday and was surprised because they claimed the deficiencies of the earlier years had been resolved. Read more. Remember the automatic transmission systems. Connect the Subaru Select Monitor to data link connector. As it gets closer to the ideal operating temp, it'll go back to normal RPMs. UV Index 0 of 10. Do some digging here in the forums for a Alto towed by a 3.6.5eat. A traditional automatic transmission has heavy gears with a large contact area. Get it together, Subaru. When the heat reaches nearly 290F, the transmission starts slipping and stop functioning with the burning out of seals and clutches. Subaru knew they had problems with the CVT. Rather than using gears as in traditional automatic transmissions, Subarus CVT uses two fluctuating hydraulically actuated pulleys and a chain link. While they may seem similar, the actual platform that each of these cars use. If you are accustomed to conventional automatic transmissions, you may equate acceleration with the sound or vibrations from the rise and fall of engine RPM and the shock felt while the transmission upshifts. These are all good product suggestions. The Fora platform includes forum software by XenForo. Now about why transmission temperatures should be regulated -- excessive heat can warp things like clutch packs, torque converter blades, and the steel belt. HID upgrade from retrofit source. I think there is supposed to be a mini radiator of sorts to cool the CVT fluid. Quote: Originally Posted by colin1234567. Just me in the car, no cargo, not towing. RELIABILITY - Subaru CVT vs. Toyota Power Sharing Transmission. When the torque converter unlocks it may feel similar to a conventional automatic transmission down shifting. transmissions in vehicles employ the same principle. The gauges serve as a warning to take corrective action. There is a compromise between the lowest gear ratio which improves acceleration and the highest gear ratio which improves fuel economy. If the fluid is not in the correct temp range (95-113 deg F, 35 - 45 deg C) then it is Not Okay and the easiest way for the common folk like us is to use one of these wireless bridges and a program on our phones. Plan is to try to have AT fluid temp above 215 F only for short period of times. Mind you this was on a day when it was 80 degrees outside too. If substantially all of the assets of our dealership are acquired, consumer information may be transferred as part of the acquisition.
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