0000012442 00000 n Zach has written over 400 automotive articles and continues to be a lead writer for TuningPro. 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. Theyre almost endlessly modifiable too. Whats your experience with the Subaru FB25 engine? 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. Just make sure you're aware of all the problems before you agree to anything in terms of purchasing a new or used Subaru. The EJ257 is one of the most iconic and legendary tuner engines of all time. There is a clear problem with some of the older Subaru models on the road. 2019 Subaru WRX STI is the car I have always wanted. 0000115567 00000 n Required fields are marked *. It is the base engine in the first-generation (201420 model years) Subaru Levorg. Excess carbon deposits can cause significant power loss and other drivability problems. Despite being one of the most popular models that Subaru produces, the Forester has also had some serious engine problems over the years. Been reliably on trips around the state (CA). 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 Toyota 1GZ-FE: Everything You Need To Know, Ford 3.7L V6 Duratec: Everything You Need To Know, Mercedes M273: Everything You Need To Know, Valvetrain: DOHC four valves per cylinder with AVCS, Compression Ratio(s): 10.0, 10.3 (2014 Present), and 12.0 (FB25D), 2011 2018 North American Subaru Forester, 2013 2019 North American Subaru Outback. This particular recall affected vehicles in Canada, Australia, Europe, and parts of Asia. Karl Benz (yes, of Mercedes-Benz fame) patented the flat-four engine in 1896, and Subaru introduced it in their lineup in 1971. Subaru Foresters made between 1999 and 2010 also suffered this issue. Moreover, the free-flowing exhaust system contributes to higher power output. [20] The new hybrid drivetrain uses two motor-generator units; the traction motor (MG2) and battery are significantly larger compared to the previous XV Crosstrek Hybrid, and the vehicle is capable of moving under electric power alone for a limited distance. 0000137839 00000 n AWD standard is a huge selling point. If it's not excessive oil consumption, its problems with failing valves. Moreover, each cylinder has a coil on plug ignition with an integrated igniter. 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. The FB is only marginally heavier than an equivalent-displacement EJ. Webengine cylinder block for cracks as shown to the right. We wont hold carbon build-up against the FB25. Your email address will not be published. Piston and piston ring clearances can vary, and some may simply be too far off and allow excess oil past the piston rings. You can choose between 'intelligent, sport and sport sharp' modes. Based on the potential cost of these two problems(over 10K! 0000184053 00000 n OS)z The valves had a durability issue that could lead to engine stalling. The car has not been the same since. 10 EVs with Best Range in 2023 - Suitable for Interstate? The existing FB20B was modified by reducing internal friction for the hybrid drivetrain, which incorporates an electric motor in the Lineartronic CVT. [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. If this capacity is not enough for you, then purchase Subaru WRX, as it is senseless to improve FB25. You should not dream of building FB25 turbo, it was created for different purpose. Notify me of follow-up comments by email. Symptoms are pretty standard as with any oil leak on the FB25 engine. Losing ~0.75 or more quarts per 1,000 miles. The Subaru FB25 engine is a new generation engine made by Subaru. Unfortunately, the FB25 engine is not designed for an aggressive build. Many manufacturers including Subaru state up to 1 quart per 1,000 miles is within tolerance. WebSubaru 2.5 Engine Problems (FB25) - Bad apples? As such, power loss is gradual rather than something youll notice immediately. 0000008203 00000 n Repairing the head gasket in your engine is not a cheap job by any means. 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. Some people even get quotes of $3,000+ to fix the oil leak. WebIN THIS VIDEO I WILL SHOW YOU HOW I REPAIRED Subaru XV, Impreza, Forester, Outback Engine Rattling at Cold Start. 188,000 vehicles were recalled over risk of the engine stalling. Were classifying these as the most common, but it doesnt mean they affect a large percent of engines. If any problem exists, turn off the engine and see Special Conditions below. Subaru integrated the ignition coil into the spark plug caps providing contact to the spark plugs. According to the recall, the engine computer has the potential to keep powering the ignition coil even after the motor was shut off. They concurred that Subaru would correct the problem at no charge to me by installing a new short-block. It may not offer incredible performance, but its plenty for most. A few quick notes before proceeding, though. In order to get reliable motor and receive additional capacity, purchase aftermarket cat-back exhaust system and adjust ECU more aggressively. The application of continuously variable transmission (CVT) in vehicles is no longer new. A burning smell and problems with the engine simply not starting we're also not uncommon complaints for the 2015 Subaru Legacy model year. There are some other ways to potentially mitigate FB25 oil consumption. Most Common Problems in the 2022 Subaru Outback 2.5L Engine There are many potential problems that may happen to an engine despite its durability. 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. Paid $707.00 for transmission fluid change and spark plug replacement at a Subaru owned store. Like this content? Subscribe for updates! The most recent recall that Subaru has put into place for its engine issues was in April of 2020. The first sign that there might be something wrong with the CVT of your Outback is often an abnormal noise coming from the transmission area. When it became as notorious as this issue did for various Subaru models featuring the 2.5 litre engine, that was a clear-cut problem. Oil consumption is increasing, especially at expressway speeds. 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. The Subaru Legacy was not overly encumbered by problems with the engine throughout its life. Good thing that the FB25 engine does not suffer behind the trails of the FB20 engine. The fuel consumption on my 2.5 is really good for that size engine too. H\Qk@>{oHm Q)-='\f&w6pMpplYk9ce That means regular maintenance and prevention of the problems that it is known for before they get any worse. 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. [4], Subaru claims a 28-percent reduction in friction losses, mainly due to lighter pistons and connecting rods. There is a less complex Single Overhead Cam (SOHC) or more efficient and powerful Dual Overhead Cam (DOHC) design. Though it achieved a larger displacement, the FB25 machines possess some innovations and technologies that the FB20 engine has, including the piston stroke. Yes history is key. A couple pluses that dealership i my state that I mentioned has is the one year warranty on the engine. Of course a bearing fai How To Get Cash for Scrap Cars Near Me? The FB25 engine has asymmetrical, diagonally split connecting rods to reduce engine width and allow a longer piston stroke. You can have your EJ in naturally aspirated or turbocharged form. 6.4 HEMI Life Expectancy Consideration How Long Will It Live? The displacement of the engine sits at 2,498 cc and it uses natural aspiration, making it more effective in moving more air and fuel, allowing it to produce more power. 0000001923 00000 n The Subaru Legacy was not overly encumbered by problems with the engine throughout its life. [4][5] A compact oil pump is also credited with contributing to the reduction in friction losses. The performance is fun and you can really make it your own car. It will allow to receive about 190 horsepower and classical Subaru sound. We cannot stress enough the amount of effort and ways to make the engine last longer. 0000177896 00000 n A small leak can often be hard to notice visibly. So, those engines get platinum-tipped plugs, which extends service intervals to 80,000 miles. HERE you can learn more about them. Able to go into place with its AWD. My car drives fast fresh off the lot and the cost is cheap to maintain it if you take good care of your car. r\a W+s.t%JTvU[[[[[[`')]q{W2KRd)Y,e=(zPA(e'N:1o7o77nvJ}6i l1K 0000010796 00000 n Look for the following signs the cam carrier is leaking: A visible leak is a dead-give away that oil is leaking somewhere. 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. FB25 engines are more responsive at lower engine speeds compared to the Subaru EJ25 engine. Well focus on the 2.5-liter engine specifically, which was introduced in the Legacy 2.5GT and Outback in 1996. In order to post comments, please make sure JavaScript and Cookies are enabled, and reload the page. The chains are stupid since we end up resealing the chain cover's at about 70-100k anyway which is so time consuming you may as well just replace a However, the costly cam carrier seal oil leaks and possible oil consumption problems bring the FB25 reliability down a bit. Clearances tend to become smaller on a warm engine since metals expand with heat, which allows less room for oil to make it by. 0000681474 00000 n Is the Subaru FB25 2.5L boxer engine reliable? It was said that this also affected 2013 Subaru Crosstrek models as well as Subaru Imprezas from 2012 through 2014. Vehicle History's team of automotive experts brings you the most accurate and up-to-date used car information. There were also some problems with unintended acceleration for this model year. Deodorant on Squeaky Belt. Weak engine, Incredibly expensive transmission. The Subaru FB25 engine was introduced in the 2011 Subaru Forester. This relates to the 2018 recall we mentioned that covered 400,000 vehicles related to a valve spring failure. Combustion temperatures remain at the minimum levels through EGR to make the engine less susceptible to knocks and advanced injection timing. The most common of them is battery failure, which can happen even if it's not yet due for its recommended replacement. 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. Beginning in 2019 the FB25D began phasing out the original engine. 2020 sti review, after a year of ownership. There is constant engine knock sounds which make me fearful of driving the car. Outdoors sports car for you. But, if you just want to improve the engines reliability, you can purchase an aftermarket cat-back exhaust system and adjust the ECU. FB25 2.5 engines also offer a good balance of reliability and fuel economy. Its a naturally aspirated 2.5L flat-4 boxer engine. Be cautious with the cam carrier seal leak on the FB25. However, without fuel flowing over them its impossible to completely eliminate carbon build-up. Yes, there were such cases. At 50,000 miles one of the mechanics at Premier Subaru in Santa Fe slid the car into a curb pulling it out of the dealership, wrecking the right front rim , wheel bearing, and lower control arm. An aluminum head and block help keep the 2.5L boxer engines weight down. The engine promises better responsiveness at low torques, better fuel economy, and overall performance than its predecessor. 2015 Subaru WRX Premium. In order to get reliable motor and receive additional capacity, purchase aftermarket cat-back exhaust system and adjust ECU more aggressively. I am afraid the engine will blow again and I cannot afford to fix it again.
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