I question now if that was the beginning of the grinding problem we now have. My car has the standard 4 cyl engine, but even without the available turbocharger, it gives me very acceptable performance. 0000177896 00000 n [13], Used in the fifth generation Impreza sedan and hatchback; compared to the FB20B, the FB20D adds direct injection, providing a slight increase in power and efficiency. The engine is simply too new to tell. Head gasket issues were present in Subaru models, in particular the Subaru Impreza from 1999 until 2011, the Subaru Legacy From 2000 until 2009, the Subaru Outback from 2002 to 2011, and the Subaru Baja from 2003 until 2005. what specific cat back exhaust systems would you suggest? 0000005509 00000 n Many of these recalls have only been put in place because a very limited number of cars experienced problems and Subaru took an overly cautious approach to getting them fixed. Subaru FB25 Engine | Turbo and main problems It has its advantages, such as good cornering attributes, and does shy away from power numbers. 2020 sti review, after a year of ownership. Its usually not completely effective, but if used regularly it can buy extra time between full intake valve cleanings. They reduced the cylinder wall thickness to 3.2mm and changed the compression rating to 10.3. Subaru says the main motivation for the new engine was improved efficiency, and they claim a 28% reduction in friction losses, with the biggest contributors being lighter pistons and connecting rods. 2019 Subaru WRX STI is the car I have always wanted. Losing ~0.75 or more quarts per 1,000 miles. The check engine light came on this week, and I was told by Subaru that there's a small leak at the timing cover seal. The Subaru sti is by far my favorite vehicle that I have ever owned. The valves are revised to reduce pressure drops acting as a TGV or Tumble Generator Valve to increase air tumble and create vortices within the combustion chambers. Engine Turbocharged. MDH Motors took a failed FB25 apart to find, This engine burned oil so badly that it damaged the catalytic converter and completely burned up the exhaust valves. To solve this, Subaru has issued a Technical Service Bulletinthat replaces toe piston rings after inspection, if they determine the engine is consuming too much oil. We start with the basics: All EJ-series engines share a 16-valve, flat-four horizontal configuration with 1.5- to 2.5-liter displacements. I like it for reliability. The 2015 Subaru Forester had excessive problems with the engine that also related to the excessive oil consumption problem as well as issues with unintended acceleration or the engine simply stalling out and dying while people were driving. They concurred that Subaru would correct the problem at no charge to me by installing a new short-block. This can be due to a lot of factors such as manufacturing defects, poor maintenance, bad driving habits, and harsh environmental conditions that the vehicle is frequently exposed to, among others. Subaru FB engines are far more advanced and more efficient than the previous engines. The Subaru FB25 2.5L engine was based on the smaller capacity FB20 engine. MDH Motors took a failed FB25 apart to find, This engine burned oil so badly that it damaged the catalytic converter and completely burned up the exhaust valves. To 2011 Subaru Forester & Impreza Owner's Manual, "FHI Develops a New-generation Subaru Boxer Engine", "Examining Subaru's New FB-series Flat-Four", "Stroker Ace: Subaru's New FB Flat-4 Engine", "World Premiere of Subaru "LEVORG" at 43rd Tokyo Motor Show 2013", "FHI Introduces the "Subaru XV Crosstrek Hybrid" at the 2013 New York International Auto Show - First-Ever Production Hybrid model -", "2014 XV Crosstrek, XV Ctrosstrek Hybrid brochure", "Subaru Crosstrek Hybrid discontinued for 2017 model year", "Subaru introduces all-new, U.S.-built 2017 Impreza; new Global Platform delivers major gains in handlign performance, crash safety and ride comfort", "Here's How Subaru's New 2.0L Engine Improves the 2017 Impreza; It Gets 2 Important Upgrades", "World Premiere of All-New Subaru Impreza at New York International Auto Show", "World Premiere of All-New Subaru XV at 2017 Geneva International Motor Show", "2019 Subaru Crosstrek Hybrid first drive review: Worth the extra charge", "2019 Subaru Crosstrek Hybrid Specifications", "2019 Subaru Crosstrek Hybrid first test: Quietly off-roading into the future", "Subaru Introduces its First Plug-In Hybrid Vehicle, the Crosstrek Hybrid, in the U.S.", "Our Approach to Environmentally Friendly Automobiles", "Subaru unveiled European spec 'e-Boxer' equipped models at Geneva International Motor Show", "New Subaru Forester and XV 2020 Hybrid e-Boxers sold out: Here's when you'll be able to get your hands on one", "Subaru Reveals Japan-Spec Forester e-Boxer Hybrid Details", "World Premier of All-New 2019 Forester at New York International Auto Show", "World Premier of All-New 2020 Subaru Legacy Sedan", "World Premier of All-New 2020 Subaru Outback", "Technology: Performance The Subaru Boxer Engine", "What's The Difference Between Subaru Engines? r\a W+s.t%JTvU[[[[[[`')]q{W2KRd)Y,e=(zPA(e'N:1o7o77nvJ}6i l1K Moreover, the size and shape of the intake manifold resonators were streamlined. There is a clear problem with some of the older Subaru models on the road. WebIN THIS VIDEO I WILL SHOW YOU HOW I REPAIRED Subaru XV, Impreza, Forester, Outback Engine Rattling at Cold Start. [12] Output of the gasoline engine is comparable to that of the non-hybrid FB20B. Some Subarus have had serious issues with their head gaskets, and Subaru has also had to recall a number of models because of engine problems. This can cause engine misfires, which then often lead to stumbling and rough idle. 2015 Subaru WRX not worth the engine troubles. Just make sure you're aware of all the problems before you agree to anything in terms of purchasing a new or used Subaru. to get this fixed. In general, Subaru does make a lot of great vehicles and they have proven themselves to be more than reliable for a lot of drivers. Models as late as 2019 had to be brought in for repairs due to issues with their engines. has also had to recall a number of models because of engine problems. The fuel consumption on my 2.5 is really good for that size engine too. Or check out our FA20 common problems article, Its no secret the Subaru WRX is an amazing car with deep roots in the rally car world. Sell My Car For Free Towing: A Step-By-Step Guide, Fast Cash For My Old Car: Get An Instant Cash Offer, How To Sell My Car Without A Title? I drove a 92 mile trip the other day and registered 38.9 mpg at about 70 mph. It effective 2013 to 2018 Foresters as well as Crosstreks made in the same year range. 0000004408 00000 n There are some other ways to potentially mitigate FB25 oil consumption. Troubleshooting: The following symptoms indicate that there is still air in the system: They were recalled due to faulty rear suspension and also engine valves that had the potential to fail. 0000002485 00000 n The excessive oil consumption issue has popped up for so many Subaru models and has gone on for such a long period of time that it can't be considered the kind of problem that's a statistical anomaly or a rarity in the industry. They've been producing vehicles since 1953 and they've definitely carved out a niche for themselves as a favorite for a certain segment of drivers. My Subaru outback 2017 the vehicle I would by any given day. Subaru FB25 2.5L: Everything You Need To Know Webengine cylinder block for cracks as shown to the right. This ranged from 1,000 to 3,000 miles for most drivers having to add more oil. Moreover, it consumes less fuel.. There are three main symptoms that could indicate a problem with the timing chain. Whether or not it affects engine longevity is also up in the air. The 2022 Subaru Outback is no stranger to this and a recall by its maker also acknowledged such an issue. In 2019 a class action lawsuit was filed against both Toyota and Subaru for issues with catastrophic engine failure stemming from the valve spring recall. The notable update is simply direct fuel injection instead of the older-school port fuel injection. The most common of them is battery failure, which can happen even if it's not yet due for its recommended replacement. Hes been repairing, upgrading, tuning, and writing about cars & engines for over a decade. Pretty bummed. 0000002657 00000 n In addition to that, this engine significantly improved the efficiency of the previous FB20 engine. You could even make a strong argument for slightly above average reliability. Earlier we stated some receive quotes of $3,000+ for this repair. Injecting fuel directly into the cylinders allows for better performance, fuel economy, and emissions. By the time of the recall there were already 375 cases reported related to either this is pension or engine defects. It is a pretty common problem on many of the earlier Subaru FB25 engines, though. If any problem exists, turn off the engine and see Special Conditions below. As reliable as many Subaru models have been over the years, and Subaru is typically known for producing some quality automobiles at reasonable prices, there have definitely been some issues with Subarus engines. Drives really well in the street as well as in the highway. In October of 2019 the Subaru recalled over 400,000 vehicles in the US. In fact, CarComplaints has no complaints related to the Subaru Ascent on file at least as far as engine problems go. This car probably won't make it. The Subaru FB25 engine was introduced in the 2011 Subaru Forester. However, in reality, the new 2.5L FB25 engine boasts a lot of improvements over its predecessor and is more than capable of delivering optimum performance, fuel economy, and reliability. Over 760,000 Vehicles worldwidewere subject to this recall. The cvt transmission grinds if one of the front wheels slips. Often, the consumption itself is the only symptom. Also intake ports were improved, intake valves were increased to 36 mm, the exhaust manifold and exhaust pipe were modified, the whole exhaust system became easier. Subaru has issued a TSB regarding excessive oil consumption so they are well aware of it. But in reality, that is not what this car is made for, it is made for sliding on dirt and cutting up the back roads. They made a change to the finish on the oil rings to rectify it. I expect many more enjoyable miles from my Forester. For a daily driver this Subaru can take your regular commute into another fun ride. It is the base engine in the first-generation (201420 model years) Subaru Levorg. OS)z Schedule it for check-ups, use quality engine oil and fuel. Subaru integrated the ignition coil into the spark plug caps providing contact to the spark plugs. I considered another Subaru with a 3.6 motor, but they discontinued the 3.6. The Levorg also has an option for a 2.0litre direct injection turbo engine, the FA20F. This can give you additional reliability and about 190 HP. Likewise, it should be driven with care and must be well-oil at all times. First, they were replacing piston rings or entire pistons. 0000178338 00000 n My 2019 Subaru WRX sti, my favorite car I have owned. It was said that this also affected 2013 Subaru Crosstrek models as well as Subaru Imprezas from 2012 through 2014. The EJ207 is one of many variants manufactured by Subaru, belonging to the EJ series. Subaru Engine Problems Everything You Need to Know Local Junk Car Buyers: Who Buys Junk Cars Near Me? By the time of the recall there were already 375 cases reported related to either this is pension or engine defects. Their repair costs, especially on their transmissions, are ridiculous! Fb25 issue getting engine oil into the coolant. I've seen quite a few H6's with blown HG's around/above 200k and we just end up swapping them with JDM replacements. Usually cost prohibitive to re Notify me of follow-up comments by email. also what ECU tweaks would do best with this engine?? The engine is a 2.5 L non-turbo horizontally-opposed (boxer) engine, four-cylinder motor, and occupied the seat of the Subaru EJ25 engine in Subaru Legacy and Forester. The Subaru FB engine is the third and current generation of gasoline boxer-4 engine used in Subaru automobiles, and was announced on 23 September 2010. It also appears most common with the 6MT. In 2010 they released 2.5-liter FB25 motor for the large Subaru cars. Very happy with vehicle with exception of oil consumption from the get go. All of this adds up to just one additional mpg of range, but thats actually a 5% increase, and its deceiving because the FB engine was initially paired with older transmission designs. It also has variable-valve timing to improve power and efficiency. I was pleasantly surprised by the mode selector feature that the newer WRX/sti models have. 0000010505 00000 n [1] It follows the previous generation EJ-series engine which was introduced in 1989 and the first generation EA-series which was introduced in 1966. It has a bore of 94 mm and a stroke of 90 mm to put a balance between engine rev and fuel economy. As we mentioned earlier, Subaru enhanced the cylinder head cooling by using separate circuits for the cylinder block and head. Be cautious with the cam carrier seal leak on the FB25. Cannot think of any problems that the car has. Submit. You're looking at anywhere from $1,000 to $1,200 to get this fixed. The Subaru 2.5L engine has a mixed reputation. !KyYDER$96Q\,F%BW0YFB9X(,m^nb?xVSW{'$KB The EJ257 is one of the most iconic and legendary tuner engines of all time. Everything is spectacular and I couldn't have asked for anything better. That's not to say there were a lot of issues reported, but there were some again related to the issue of excessive oil consumption. 2022 Subaru Outback 2.5L Engine: Longevity, Problems, and Specs, 10 Tips for Keeping Your Car Running Like New. Of the main Japanese car companies, Subaru alone has a reputation for being a bit quirky. Detergents then wipe away any oil deposits. FB25 firing order is 1-3-2-4. The outback also has a curb weight of 3,637 to 3,937 pounds depending on the options that are selected from the factory. 0000029253 00000 n Was thinking about the upper pan seals would that be a possibility? As with most oil leaks the actual parts and repairs are inexpensive. Thickness of cylinders sidewalls decreased to 3.2 mm, new pistons were installed, compression ratio was increased to 10.3. A modern Subaru 2.5L engine should have no problem lasting over 200,000 miles as long as you take care of it. When it comes to these unique boxer engines, the heavyweight of the group is the 2.5-liter four-cylinder. A few quick notes before proceeding, though. The gas mileage is unbelievable. Ask questions or send a hint for future articles on the author's page. It is a very fast car just based off of the stock model but is easy to add modes to make its faster and louder. Convenient Car Removal For Busy Schedules: Same Day Car Pickup. In general, the boxer-four layout leverages from its minimal vibration, a low center of gravity, and a short engine length. They have something to offer, Read More Subaru WRX Coilovers GuideContinue, Subaru WRX Downpipe Upgrades Downpipes are one of the best performance upgrades for turbo engines. %PDF-1.4 % In fact, if you go to Carcomplaints.com you'll find that there have been no complaints lodged at all related to the engine of the Subaru BRZ. 0000001645 00000 n POWER STEERING FILLING/BLEEDING INSTRUCTIONS - Eddie Currently you have JavaScript disabled. Subaru offers certified vehicles that are subjected to a 152-point inspection and a seven-year/100,000-mile warranty on the powertrain, so that should offer some peace of mind in regards to the longevity of your Subaru engine. wN?B%}.k2}s{\e~EL`){s.Ct]uM;{gqI;}U6Nh"'2[|dQ, 7+(]szcnu^(!sn*Z*FaM+*mnmUu+i!WN0i,}FF [DIy]h=^8>jy&hXBKht[,:j;|3<4u^K6~e@};8fWg%Jwq].Bta4k@geEuWX?jc_(5-rqy((_k@. These vehicles all suffered a flaw in the design of valve springs in their 2.0 litre boxer engines. Roller rocker arms actuate the valves, which were valve lifters for the previous EJ253. I contacted dealer and they agreed to perform a road test measuring the consumption. If the engine were to lose power while you were driving on the highway for instance, then the risk of a crash would be severe. This motor is a successor of naturally aspirated flat-4 boxer, Subaru FB25 engine problems andmalfunctions. Over at EngineBuilder, Justin Anning of Nemesis Performance explains. - YouTube The EJ25 engine in Legacy and Forester models was replaced by the 2.5-liter FB25, Subaru 2.5 Engine Problems It is a member of Subarus third-generation FB boxer and FB20, FA20D, FA20F, AND FA20E ENGINES. There are tons of benefits to running a downpipe upgrade on a Subaru WRX. As for you or models, there's no way to know for sure if it's going to be a problem until later so it's something of a calculated risk you might want to look at. Theyre almost endlessly modifiable too. Its recommended to replace the timing belt every 60,000 miles to prevent this from happening. The Subaru FB25 engine is a new generation engine made by Subaru. A performance intake is one of the least expensive, easiest to install, and most pleasing modifications that you can do to a WRX. It's also worth noting however that the Crosstrek is a technically new model in their lineup as it was previously known as the XV Crosstrek. Subaru is aware of the FB25 oil consumption problems and addresses it in a couple ways. Just under two months after Subarus first recall, Subaru issued a second recall that affected Subaru Foresters and Subaru Crosstreks. Get The Top Dollar. The valves had a durability issue that could lead to engine stalling. The frequency of problems in the 2022 Subaru Outback 2.5L engine is quite low but there are some issues that stand out based on the number of complaints associated with them. As such, Subaru began actually replacing short-blocks to fix the issue. Excess carbon deposits can cause significant power loss and other drivability problems. Purchased my 2011 Forester used from dealer in 2016 with ~82000 miles. It was a follow to continue the economical and eco-friendly motor. Runs fine no smoke . The third is the dreaded Check Engine Light. It usually doesnt pose any major threats to engine longevity. Cam carrier seal leaks are also very expensive. The intake ports, intake valves, intake manifold, and exhaust system are also new. The FB25 is a 2.5L flat-4 engine delivers 170-182 horsepower and 174-176 lb-ft. BUT a few people that just bought their 2015 Foresters are complaining still about excessive oil consumption so problem may not be solved yet. Yes, we believe this engine earns average remarks for reliability. Having an identical output, it achieves lower rpm and higher torque at lower rpm. 0000029353 00000 n However, there are still issues that might affect the reliability and overall lifespan of the machine, but it might be due to external factors such as age, mileage, and the standard wear and tear items. If you experience any of these, it is best to have your Outback checked by a qualified mechanic as soon as possible. The first recall the issue was for 466,000 Impreza is made from the year 2017 through 2019 as well as cross tracks from 2018 and 2019. So, in this article, we will see whether it does live up to expectations or it inherited some of the major problems that plagued its precursor. Though it achieved a larger displacement, the FB25 machines possess some innovations and technologies that the FB20 engine has, including the piston stroke. These contribute to a compression ratio of 12.5:1 which allow an engine to optimize the extraction of mechanical energy from the combustion process while keeping fuel economy and emissions in check. According to the lawsuit, the fix that Subaru offered for the valve spring in order to prevent the engine failure actually ended up causing more problems than the initial valve spring failure did. Among the best upgrades include a set of Subaru WRX coilovers. Friendly. [7][8] The design target for the FB16 DIT engine was to equal or exceed the performance of the FB25 naturally-aspirated engine fitted to the Legacy, using regular gasoline, according to the designer, Rei Sasaki. FB25 2.5 engines also offer a good balance of reliability and fuel economy. Its hard to deny that theyre the complete package. 0000010951 00000 n Fast fun car. 0000232117 00000 n Subaru initially produced the EJ series engines in 1989 with the intention to succeed the past Subaru EA engine series. Later variants with direct injection receive a higher 12:0:1 ratio. Standard all-wheel drive on most of their cars, unique styling, and a boxer engine help to separate them from the Toyotas of the world. Well use the Forrester as our example, as its Subarus most popular model. Owners with excess oil consumption should check with a local Subaru dealer. I have not had any problems with it, and I hope to see the car perform for years to come. Pieces of the part could also separate and damage other engine components, which could cause the engine to suddenly lose power.. Very fast, heavy clutch2019 Subaru WRX STI. The recall was to fix problems with the engine computer and a problem with debris that could fall into the motor. 0000009106 00000 n [2], The FB16 direct injection turbocharged (DIT) engine is the first FB-series engine with a turbocharger, and includes direct injection with an auto stop/start system. In March of 2019, she was 0000010980 00000 n Whether or not this is still an issue on the newest FB25D engine is up in the air. 0000001944 00000 n Subaru has an excellent reputation for reliability, but there are always issues to be aware of, and the EJ is no different. Engine Powerful performance machine. For this fix, dealers were advised to replace the valves if it was necessary and if the valve had already broken and the parts had vanished somewhere inside, then the entire engine was to be replaced. 2015 Subaru WRX Premium. Clearances tend to become smaller on a warm engine since metals expand with heat, which allows less room for oil to make it by. This is primarily due to the bad reputation left behind by its predecessor, the 2.5L EJ25 engine, which was marred by its high maintenance costs stemming from defects due to specific design choices by the automaker. Downpipes are one of the most important exhaust components for force-induced engines, as they are the first exhaust component after the turbo. Within the bores, the Subaru FB25 engine has cast-iron liners. Enough to fit in current standards. Of course, accessing intake valves means pulling the manifold so its usually at least 2-4 hours of labor. Many manufacturers including Subaru state up to 1 quart per 1,000 miles is within tolerance. Worn piston rings will allow oil to escape and be burned inside the combustion chamber. Moreover, the free-flowing exhaust system contributes to higher power output. Subaru 2.5 Engine: Power and Performance - VehicleHistory That said, you can't deny the evidence that has been presented on CarComplaints of so many drivers experiencing long-standing issues. Junk Car Removal Frequently Asked Questions, How To Avoid Common Junk Car Selling Scams? These cylinder block heads use variable valve timing system Dual AVCS on all camshafts. Being compared to EJ25, this motor has got the changed cooling system, it works better now. Nice car, but terribly expensive maintenance. Last up for common Subaru FB25 engine problems is cam carrier seal oil leaks. This Capacity of FB25 increased to 175 horsepower at 5,800 rpm, and torque 235 Nm at 4,000 rpm. endstream endobj 24 0 obj << /BaseFont /DOUFUH+Arial-BoldMT /Encoding /WinAnsiEncoding /FirstChar 32 /FontDescriptor 22 0 R /LastChar 121 /Subtype /TrueType /ToUnicode 23 0 R /Type /Font /Widths [ 278 0 0 0 0 0 0 0 0 0 0 0 278 333 0 0 556 556 556 0 556 556 556 0 0 556 333 0 0 0 0 0 0 722 722 722 722 667 611 778 722 278 0 722 611 833 722 778 667 0 722 667 611 722 667 944 0 667 611 0 0 0 0 0 0 556 611 556 611 556 333 611 611 278 0 556 278 889 611 611 611 0 389 556 333 611 556 778 556 556 ] >> endobj 25 0 obj [ /ICCBased 51 0 R ] endobj 26 0 obj << /Filter /FlateDecode /Length 2254 >> stream
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