As such, Subaru began actually replacing short-blocks to fix the issue. Meanwhile, the fuel system is managed via a gasoline direct injection system for precision in the delivery of the right air and fuel ratio to the engine. The 2011 Subaru Forester was plagued with issues of excessive oil consumption. 0000012364 00000 n
That means regular maintenance and prevention of the problems that it is known for before they get any worse. - YouTube The EJ25 engine in Legacy and Forester models was replaced by the 2.5-liter FB25, Subaru 2.5 Engine Problems year to help you gain confidence about one of your largest purchase decisions. The intake ports, intake valves, intake manifold, and exhaust system are also new. The notable update is simply direct fuel injection instead of the older-school port fuel injection. When it comes to these unique boxer engines, the heavyweight of the group is the 2.5-liter four-cylinder. These cylinder block heads use variable valve timing system Dual AVCS on all camshafts. 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? Subaru integrated the ignition coil into the spark plug caps providing contact to the spark plugs. MG1 is used as the starter motor and charges the battery for series hybrid operation. The maintenance-free timing chains and peripheral components are designed to withstand long periods. Intelligent lowers the power output of the engine and boosts fuel economy while the sport and sport sharp increase power at the cost of fuel efficiency. Unlike FB20, this 2.5-liter motor had no problems with a high oil consumption. recalled over 400,000 vehicles in the US. Not helping matters much, is the oil spec for this engine a very light 0W-20. It tends to last the same as the engine itself.
Subaru A burning smell and problems with the engine simply not starting we're also not uncommon complaints for the 2015 Subaru Legacy model year. Subaru FB engines are far more advanced and more efficient than the previous engines. There are three main symptoms that could indicate a problem with the timing chain. Overall, the 2.5L flat-four of the 2022 Outback is capable of producing up to 182 hp at 5,800 rpm and 176 lb-ft of torque at 4,400 rpm. Moving to chain-driven cams is said to allow the valves to be placed at a more narrow angle to each other and shrink the bore of cylinder from 99.5 to 94mm (3.92 to 3.70in). It was said that this also affected 2013 Subaru Crosstrek models as well as Subaru Imprezas from 2012 through 2014. The restyled block, heads, valves, and other participating components improved engine performance, efficiency, and fuel economy. 10 EVs with Best Range in 2023 - Suitable for Interstate? It did not affect American vehicles, but the precedent has definitely been set that Subaru has had some serious concerns with their engines. The Subaru Crosstrek has been another relatively problem-free model for the Subaru lineup. Interesting - then an EJ25 with the timing belt replaced may be a better bet. There's a dealership in my state that claims to replace the timing be Able to go into place with its AWD. Some of the FB series engines consume oil, with owners needing to top off the oil level every few thousand miles. 0000012442 00000 n
The car has been well-cared for. 0000004118 00000 n
The direct-injection FB20V in the revised hybrid is detuned compared to the conventional FB20D. 0000001407 00000 n
A modern Subaru 2.5L engine should have no problem lasting over 200,000 miles as long as you take care of it. Enough to fit in current standards. This new engine is also chain-driven (as opposed to the EJs belt), which is a more robust setup that allows for a new block design with fewer emissions. The EJ207 is one of many variants manufactured by Subaru, belonging to the EJ series. The cylinder block of the Subaru FB25 engine was built on aluminum. This ranged from 1,000 to 3,000 miles for most drivers having to add more oil. Its a process many use since its very effective at cleaning valves and ports. Many modern engines use DI and its truly awesome technology. 0000088049 00000 n
Though it achieved a larger displacement, the FB25 machines possess some innovations and technologies that the FB20 engine has, including the piston stroke. 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. Click to expand My repair was covered by a warranty. For whatever reason, Subaru is just not able to overcome this issue and kept it going for far longer than it should have. [21], The direct-injection FB20D was also used in a mild parallel hybrid configuration similar to the FB20X. The Subaru Ascent is another extremely new vehicle in Subaru's lineup. If it's one of the models that has been subject to a recall, then you definitely want to get it checked out by a trusted mechanic before you invest any of your money in it. Direct injection has many benefits, and were huge fans of the technology. 0000009888 00000 n
The rest problems of FB25 are the same as FB20. The engine is a more robust modification of the FV20, the first engine to introduce the FB family to the automotive world. 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. Oil consumption is never an easy topic to write about. 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. However, based on the recall announcement of Subaru not so long ago, the timing chain of the 2.5L boxer engine has the potential to break due to a manufacturing defect. The 2015 Subaru WRX Premium quad tips are a really nice touch, and they sound good as well. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); TuningPro is a blog dedicated to providing car enthusiasts with the best information around performance modifications, engine problems, general maintenance and repair, and tuning. 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. There is a clear problem with some of the older Subaru models on the road. Definitely a great purchase. The seventh-generation 2020 Subaru Legacy and Outback adopted the revised direct injection FB25 as its base machine. Ask questions or send a hint for future articles on the author's page. In Jan 2011, Car and Driver was told direct injection would be added soon. The fix that they proposed was for dealers to update the software and replace both the coils and front exhaust pipes if it was necessary. In addition to the 2013 model year, 2014 and 2006 were both more problematic than normal in terms of engine issues. Autotrader gives an important tip, Those seeking to spend a bit more should jump to the fifth-generation Forester, preferably a 2016 or newer, as these models dont suffer the oil consumption issues that plagued some 2014 and 2015 models.. Well use the Forrester as our example, as its Subarus most popular model. 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. One of the biggest symptoms and concerns with carbon deposits is loss of power. Specifically, these engines have been susceptible to leaking head gaskets and it was such an ongoing issue that it almost became a joke amongst mechanics. dl,uL",u
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Its a naturally aspirated 2.5L flat-4 boxer engine.
Subaru 2.5 Engine Problems (FB25) - Bad apples? - YouTube The cost of replacement will depend on the make and model of your car, but it's usually not a cheap repair. My Subaru outback 2017 the vehicle I would by any given day. Making the Subaru FB25 a more practical choice, especially for daily use. Expect about $350-600 for walnut blasting or similar services. Had very little problems with just normal wear and tear on the vehicle. Unofficially, Subaru stated that "FB" stands for "FHI/Future and Brand New/Boxer". 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. Fb25 issue getting engine oil into the coolant. Bottom line the upgraded FB25B short block was an excellent fix, Thank You Subaru and the Dealer that installed it. In 2018 Subaru recalled a number of Foresters, Crosstreks, Imprezas, and BRZ Sports Coupes that were designed from 2008 until 2013. Its basis is aluminum FB20 cylinder block with cast-iron sleeves, diameter of cylinders in it was increased to 94 mm, thickness of cylinder block sidewalls was 3.5 mm. [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. All Rights Reserved. This may cause smoke from the exhaust and/or burning oil smells. Had 7 or more Subies, I would say the EJ engine and 4spd drivetrain is good for 200K easy - though the FB25 is a new engine architecture with a wet timing system which could be toast at 150K or so - look to the 3.6 for more predictors of engine reliability. 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. This motor shows 172 HP at 5,800 rpm, and torque 236 Nm at 4,100 rpm. Pretty bummed. This is an issue theyre aware of, and can help determine the best steps to take. Again, since this has been a part of a recent recall announcement, you may apply your warranty for a defect on this part to get the problem solved immediately. However, the FB25D direct injection engine does have one potential problem carbon build-up. 0000137839 00000 n
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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. According to Subaru it was well within parameters for this much oil to be consumed. Compared to the EJ253 engine, the FB25 achieved a twenty-eight percent reduction in frictional losses due to lighter pistons, wrist pins, connecting rods, and lower piston ring tension. WebSubaru FB20 engine problems and malfunctions 1. They reduced the cylinder wall thickness to 3.2mm and changed the compression rating to 10.3. They were recalled due to faulty rear suspension and also engine valves that had the potential to fail. New ECU was installed on this motor. 7KbA p:A+ But why a boxer to begin with? Their repair costs, especially on their transmissions, are ridiculous! There is constant engine knock sounds which make me fearful of driving the car. The 2013 XV Crosstrek did have some reported issues with the engine again mostly centered around the excessive oil usage issue that other Subarus have been known for. In order to post comments, please make sure JavaScript and Cookies are enabled, and reload the page. High oil consumption. 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. These heads are equipped with two camshafts and use 4 valves on the cylinder and roller rocker arms. The EJ257 is one of the most iconic and legendary tuner engines of all time. Whether or not it affects engine longevity is also up in the air. The DOHC engines are more difficult to service when its time for a spark plug change. These present efficiency in air cooling because of the airflow distributed evenly across the four cylinders. 2.5L Subaru engines in the FB engine family are in the following years and models: This engine is unique to the North American market. 0000090704 00000 n
Whats your experience with the Subaru FB25 engine? Overall, the engine is solid and probably more reliable than the FB20. Earlier we stated some receive quotes of $3,000+ for this repair. 0000002485 00000 n
If you check the service bulletin youll also notice mention of the timing chain cover, cam cap, and upper oil pan. Subaru Foresters made between 1999 and 2010 also suffered this issue. It is suited for a compacted low center of gravity vehicles. Its always a bit vague since plenty of engines burn oil at excessive rates, but dont experience any longevity or reliability issues due to it. Piston and piston ring clearances can vary, and some may simply be too far off and allow excess oil past the piston rings. Carbon build-up is simply a small drawback. It is a pretty common problem on many of the earlier Subaru FB25 engines, though. Is the Subaru FB25 2.5L boxer engine reliable? Again, 2019+ models with the FB25D engine are the more powerful engine thanks to a few updates. b94jMdg^ But, if you just want to improve the engines reliability, you can purchase an aftermarket cat-back exhaust system and adjust the ECU. Turbocharging was introduced on the 2005 Legacy and the 2005 revision of the WRX. Submit. The main point here is that Subaru moved to direct injection with the FB25D engine, which also allows the higher 12.0:1 compression ratio. Was thinking about the upper pan seals would that be a possibility? For a daily driver this Subaru can take your regular commute into another fun ride. The problem did bring with it the increased risk of acrash if it happened while you were driving, and if it occurred while the vehicle was parked it could render it unable to start. As with most oil leaks the actual parts and repairs are inexpensive. 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. Zach is a founder of 8020 Media and TuningPro. 10 Tips, Sell Your Junk Car Online: The Pros And Cons, The Process of Scrapping A Junk Car for Cash: A Detailed Guidance, Trustworthy Junk Car Buyers with Free Towing: Free Junk Car Pickup. the problem related to a faulty fuel-pump. Walnut blasting uses walnut media shells and a heavy-duty vac. 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. Subaru, for example, charges around $1,000 to $2,500 for timing chain replacement parts and labor. I love this car! Some problems experienced with the EJ engine include a faulty fuel pump that could lead to engine stalling, and an engine computer that has the potential to keep powering the ignition coil even after the motors shut off. Later variants with direct injection receive a higher 12:0:1 ratio. Direct injection doesnt have that same benefit. Repairing the head gasket in your engine is not a cheap job by any means. The Japanese brand's unique always-on Symmetrical All-Wheel Drive (SAWD) system has been the foundation of its vehicles for decades. 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. Detergents then wipe away any oil deposits. It is a member of Subarus third-generation FB boxer and FB20, FA20D, FA20F, AND FA20E ENGINES. All engines have the few bad apples, and we just cant control that aspect. Apart from that, the engines received several changes that took the engine to the top. Friendly. There are tons of benefits to running a downpipe upgrade on a Subaru WRX. I like it for reliability. The car has not been the same since. 2018 Subaru WRX STI Limited. However, no engine is perfect and that applies here. Very fast, heavy clutch2019 Subaru WRX STI. Excess carbon deposits can cause significant power loss and other drivability problems. The media shells are then blasted into the intake ports to knock off any deposits. The existing FB20B was modified by reducing internal friction for the hybrid drivetrain, which incorporates an electric motor in the Lineartronic CVT. 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. They made a change to the finish on the oil rings to rectify it. Subaru has an excellent reputation for reliability, but there are always issues to be aware of, and the EJ is no different. A malfunctioning transmission is bad news for the engine in more ways than one. For these reasons it's definitely worth making sure you know what you're getting into if you're interested in picking up a new or used Subaru. to get this fixed. Every few years they come up with an improved 4 cyl engine with new issues. As we mentioned earlier, Subaru enhanced the cylinder head cooling by using separate circuits for the cylinder block and head. These vehicles all suffered a flaw in the design of valve springs in their 2.0 litre boxer engines. Unfortunately, the FB25 engine is not designed for an aggressive build.
At the time, Subaru said they were unaware of any crashes or injuries that were related to the issue, and they were trying to get ahead of it before something worse happened. 0000004408 00000 n
We believe in the pursuit of performance and are here to help you get the most of your car and engine. The only downside would be poor gas mileage and depending on where you live, high insurance costs.
Subaru Tips And Tricks, 24/7 Car Removal Service Near Me: Same Day Car Pickup. The flow rate was capped along the block to maintain a high temperature for the cylinder liner oil, thus reducing piston friction during motions. Performance is great for a quick thrill with this turbo. That was in mid 2016 and now early 2022 with ~193000 miles my Forester is still performing great with very little as expected oil consumption due to the recommended 0-20W full synthetic oil. The first is a rattling noise coming from the engine caused by the loose parts of the chain hitting each other or against other components. Nice! Looks to be in really good shape. A similar scene to here, I also have a flag outside and an old pickup truck! Some berate the 4EAT, but many 2019 Subaru Crosstrek limited is fantastic. I am afraid the engine will blow again and I cannot afford to fix it again. Yes, it is true modern engines are better at managing blow-by into the intake valves. Local Junk Car Buyers: Who Buys Junk Cars Near Me? More on this following engine specs for the 2.5 engine. In recent years however the 2.5L motor has been revised and has become significantly more reliable. You should not dream of building FB25 turbo, it was created for different purpose. Very fast, with a turbocharged boxer engine, but still is able to use its performance in all conditions because of its amazing symmetrical all wheel drive. Although, we highly recommend cleaning the intake valves every 100,000 to 120,000 miles.
The 3 Most Common Subaru FB25 Engine Problems In the past I have had used Subarus and ran them over 200,000 miles with no problem.
2012 - FB25 Engine Problems - Subaru Forester Owners Forum Ultimately, this issue may simply boil down to QC. 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. A small leak can often be hard to notice visibly. Due to the TSB Subaru make work with owners to lower repair bills, but it all depends on the age and mileage. 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. Fast fun car. Clearances tend to become smaller on a warm engine since metals expand with heat, which allows less room for oil to make it by. [4], Subaru claims a 28-percent reduction in friction losses, mainly due to lighter pistons and connecting rods. Junk Car Buyers with No Hidden Fees: Maximize Your Profits Today! If the timing chain is indeed the problem, it will need to be replaced. I can get up to 35 miles per gallon on the highway and 27 miles per gallon town running. Their boxer style engines are actually preferred by a number of drivers. There are some other methods that are effective, but more intensive and time consuming. My car drives fast fresh off the lot and the cost is cheap to maintain it if you take good care of your car. Subaru has an impressive track record for quality automobiles. Wow, 260K, and blue 2002 - now I'm really wishing I kept this! It's a 2002S 5MT. The air conditioning was shot, quoted around $1300 to repair. It w [31] The seventh-generation 2020 model year Legacy and Outback also adopted the revised direct-injection FB25 as its base engine.[32][33]. Subscribe for updates! Subaru vehicles are known for their unwavering capability, which is due to the expert engineering that underpins them. Worn piston rings will allow oil to escape and be burned inside the combustion chamber.