The engine can disastrously overheat because a lack of coolant causes the cylinder head to crack or warp. Although some were subject to the recalls we mentioned earlier, in general very few drivers have ever reported any problems with their BRZ engine. All Rights Reserved. According to the recall, the engine computer has the potential to keep powering the ignition coil even after the motor was shut off. Pressurized oil leaks can result in engine compartment fires. Both problems lead to engine overheating recurrently. The Truth About Boxer Engine Cars, FYI and car review with Scotty Kilmer. Subaru Head Gasket Problem: Why Did It Start? A. and problems with the engine simply not starting we're also not uncommon complaints for the 2015 Subaru Legacy model year. Pretty upset with Subaru but have been a … 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 Subaru’s engines. These vehicles all suffered a flaw in the design of valve springs in their 2.0 litre boxer engines. A head gasket provides the sealing surface between the cylinder head and the block. This may sound like a long time, but considering most Subaru owners like to keep their vehicles on the road upwards of 250,000 miles, it’s a pretty big deal. On top of that, the repair is pretty expensive. 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. Be aware that this test could give you a false positive if the head gasket has ever leaked in the past, even if it has been repaired. The most problematic year for the Subaru Legacy's engine was 2015. There’s no better time to replace them, and you may end up saving money in the long run with this strategy. You will need to be honest with yourself about your own mechanical abilities, then weigh the pros and cons before diving in. PCM Relay – What is the Function of This Part? Honda vs Toyota: Which Brand is More Reliable? The Subaru Ascent is another extremely new vehicle in Subaru's lineup. 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. 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. There was an additional recall that covered 205,000 Subaru Imprezas that were made from 2017 through the 2019 model year as well as 2018 Subaru Crosstrek. A quality torque wrench is a must. It is not for the faint-hearted, and not something you can tackle over a weekend. This particular recall affected vehicles in Canada, Australia, Europe, and parts of Asia. The Subaru Crosstrek has been another relatively problem-free model for the Subaru lineup. Subaru Corporation - Corporate Information. The recall was to fix problems with the engine computer and a problem with debris that could fall into the motor. The problem did bring with it the increased risk of a crash if it happened while you were driving, and if it occurred while the vehicle was parked it could render it unable to start. 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. Whether or not you can do this job yourself depends on a number of factors. The 2013 Subaru Outback was the worst model year in terms of engine issues. However, that was 20 years ago now. These cars develop an external oil leak at the head gasket and coolant leak at the gasket’s left side. However, just because you don’t notice excessive white smoke doesn’t mean you’re leak free. 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. © 2019 Cash Cars Buyer. Before purchasing, make sure you have the patience, funds for tools, and a clean, dry space to work. The single overhead camshaft (SOHC) variant experiences failures much more frequently than the dual overhead camshaft design (DOHC). , the Subaru Forester ranked rather well, with some owners of the model stating that they’d experienced no problems with their vehicles over the three years they had owned them. The Subaru Legacy was not overly encumbered by problems with the engine throughout its life. A leak down test is a sure fire way to know if you have a head gasket leak. The main problem years are 1996 through 2004. Don't get me wrong, with the hood open and standing outside looking into the engine bay there is the typical boxer engine sounds, but with the hood closed and the superb cabin sound proofing, all is quiet and calm. Hydrocarbons are produced when gases ignite in the combustion chamber. This ranged from 1,000 to 3,000 miles for most drivers having to add more oil. Don’t forget the factory service manual. One of the bright spots in the Subaru lineup is their sporty BRZ Coupe. Repairing the head gasket in your engine is not a cheap job by any means. There were also some problems with unintended acceleration for this model year. 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. Subaru and mazda all have more than their share of problems. To do the job right, you will need to send the heads off to a machine shop to be resurfaced. The naturally aspirated EJ25 engine was used across Subaru’s lineup and can be found in the non-turbo Baja, Forester, Impreza, Legacy, and Outback. This issue is common on second generation Outbacks, as those leaks tend to be internal. If the system won’t hold pressure, you have a leak somewhere. In this case the aluminum positive crankcase ventilation valve had the potential to simply fall apart. Information for investors: View financial results and more. View all 99 consumer vehicle reviews for the 2020 Subaru Forester on Edmunds, or submit your own review of the 2020 Forester. If the heads cannot be resurfaced, replacement heads will not be cheap. By the time of the recall there were already 375 cases reported related to either this is pension or engine defects. it was so smooth and quiet, I couldn't hardly tell it was running. Subaru exacerbated this problem for many drivers by essentially ignoring it and saying it was part of the normal operating procedure for the vehicle. The axle and suspension appears to be the main problem, accounting for 38.46% of all problems, followed by the engine. Follow the factory service manual very closely. One of the telltale symptoms of a head gasket leak is an overheating engine. The problem started when Subaru started using a composite head gasket in some of their car models from 1997 to 1999. An awful lot of Subarus were beginning to have severe engine issues in the form of blown head gaskets. 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. If your engine starts to overheat, pull over to let it cool down for a bit before you continue driving. Some head gaskets are a composite made out of other materials such as paper or graphite. If you’ve never replaced a timing belt or this risk makes you uncomfortable, it’s best to leave this job to a professional. How Much Does a Head Gasket Replacement Cost. 188,000 vehicles were recalled over risk of the engine stalling. Let's take a look at which Subarus have been subject to some serious concerns, and which ones you should definitely avoid if you're in the market for a new vehicle. Subaru FB20 engine reliability, problems and repair. The most recent recall that Subaru has put into place for its engine issues was in April of 2020. Over 760,000 Vehicles worldwide were subject to this recall. Some drivers were having to replace a quart of oil every 1000 miles or so. the problem related to a faulty fuel-pump. The SUBARU BOXER engine, which powers all Subaru vehicles, is known for its excellent balance, smooth ride, and superior power delivery – for almost 50 years. In the 2018 Reliability survey conducted by Which? While replacement head gaskets are pretty cheap (around $100), the cost of labor is not. So that's something to consider. The information below is COMPLETELY false. The 2020 Subaru Ascent has 3 NHTSA complaints for the engine at 1,175 miles average. You may notice oil leaks between the head and the block of the engine. If this is your daily driver and you don’t have a backup vehicle, you probably won’t want to do this job yourself. Where did this reputation come from? Consider budgeting extra time and money for a valve job if the valves have seen better days. In an emergency, leaky head gaskets will probably not prevent you from driving the vehicle, especially if the leak is minor. The head tightening sequence is quite unusual and the torque specs are not the same across all models. An overheated engine could cause more engine damage and a more expensive repair bill. 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. Curb Weight vs Gross Weight (What’s the Difference?). The Subaru my family owned (turbo 4 boxer) had a few engine issues, including a broken piston fairly early in life. Do lots of research, and make sure you can really commit to this job before you dive in on your own. If you notice this unusual smell, it may be a good idea to have the cooling system tested as soon as you can. If that happened every could enter the engine and lead to serious damage including power locks. All Subaru vehicles are powered by a Boxer engine and many models may be using the same valve spring that is … 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. 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. To combat lower than ideal sales, along with the death of their diesel line up comes the e-Boxer. NO NO NO. Just like the Forester, the Outback suffered issues with the excessive oil consumption. Ignition Cylinder Replacement Cost: What You Should Expect. 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. This adds an extra 16.5 BHP to the boxers 148 BHP, making a total of 165. It was even claimed that the risk of engine failure increased after the fix and in some cases led to cars catching on fire. LINEARTRONIC ® CVT. Its turbocharged four-cylinder delivers a whopping 305 horsepower and can pull off a zero to 60 sprint in 4.7 seconds. The report did not say which model years are affected by the faulty engine part. A blown head gasket can manifest in several ways. Most modern head gaskets are made out of multi-layer steel (MLS). This 3.6-liter engine has almost the same problems, which are characterized the 3.0l EZ30 engine. I don't think $1,000 off one now is going to help me very much for a known problem … So what year did Subaru fix this problem? Faulty chemistry and corrosion are a common problem on older 2.5L models, in which coolant tends to leak from the left–side cylinder. The recall was to fix problems with the engine computer and a problem with debris that could fall into the motor. Drivers reported not just excessive oil consumption issues but also hesitation while accelerating and unusual noises coming from their engine as well. Do Subarus Still Have Head Gasket Issues? 2019 Subaru Outback engine problems with 19 complaints from Outback owners. There is a lot of speculation on the exact cause of Subaru’s widespread head gasket leaks. To reach the head gaskets, a mechanic has to tear the engine down to the short block. The most common engine to have head gasket failures is the naturally aspirated (non turbo) Subaru 2.5 L four cylinder engine, commonly known as the EJ25 motor. You may also get a false positive if you’ve used a petroleum based additive in the radiator. Ten Best Windshield Wipers: A Must-Read Article. Investor Relations. As such, with only two model years under its belt, the Ascent has not racked up very many issues with his engine performance at all. A radiator pressure test ensures you have no leaks in the cooling system. SUBARU BOXER ENGINE PERFORMANCE BY MODEL. Despite being one of the most popular models that Subaru produces, the Forester has also had some serious engine problems over the years. Subaru first utilized a boxer engine in 1966 in the Subaru 1000. Overheating an engine could warp the heads, rendering them unsalvageable. Melinda: "I just had to have the engine in my 2012 Impreza rebuilt. They were recalled due to faulty rear suspension and also engine valves that had the potential to fail. Many Subaru cooling systems route their heater core in such a way that the heater will blow cold air when you have air in the heater core. This problem has largely decreased since Subaru added ground straps, which protect the most vulnerable part of the head gasket. There's always a chance any car could have problems with it, but when you know ahead of time the risks as you do with a Subaru, then that you may be able to help mitigate these problems in the long run. The worst complaints are vehicle speed control, engine, and vehicle speed control:cruise control. You should be able to purchase all of the necessary tools for less than the cost of taking the vehicle to a shop, if you know what you’re doing. The Subaru WRX STI is a prime example of the capabilities of a boxer engine. The real news with the 2020 Outback's engine options is the new-to-Outback 2.4-liter turbo-four. There are several ways you can test the integrity of your cooling system and combustion chamber. Subaru's 2018 Engine Recall. Some Subarus have a reputation for eating head gaskets at a very low mileage. In fact, CarComplaints has no complaints related to the Subaru Ascent on file at least as far as engine problems go. Let's take a look at which Subarus have been subject to some serious concerns, and which ones you should definitely avoid if you're in the market for a new vehicle. Boxer engine car review. Beneath the rear seats and boot floor of both the Subaru XV and Forrester sits a 13.5 kWh lithium-ion battery pack. Many symptoms of a head gasket leak on a Subaru are very similar to head gasket leaks on other vehicles. 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. As you may have guessed, the most common issue drivers reported was excessive oil consumption. There is an oily residue in the overflow bottle, in addition to … The SOHC motors can be identified by their single circular indent on each side of the engine. Since boxer engines are so wide, many mechanics remove the engine entirely to perform this repair. According to Subaru it was well within parameters for this much oil to be consumed. The most recent recall that Subaru has put into place for its engine issues was in April of 2020. Assuming the cooling system was bled correctly, air in the heater core is almost always caused by a head gasket leak. Some suggested causes have been low quality head gasket material, poor engine maintenance, bad head gasket design, bad water jacket design, detonation, improper head torque procedures, and electrolysis of the coolant due to poor grounding. This covered the 2019 Subaru Ascent, the Subaru Impreza, the Subaru Legacy, and the Subaru Outback. Engine operation at sustained high rpm (i.e., sustained highway driving or driving in hilly terrain) Frequent acceleration and deceleration (i.e., stop-and-go freeway traffic) Severe thermal conditions (extreme heat or cold) Idling for extended periods of time (i.e., frequent and sustained remote engine-start operation) 2012 is arguably the worst year for the Subaru Impreza’s engine. How Long Does It Take To Charge a Car Battery? . It must do this job at a wide variety of temperatures, from cold start to normal operating temperature. 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. The lead time for this step alone could be several days, possibly more if the shop is busy. The device features a multi-layer steel shim coated with … The engine looks pretty similar to its predecessor at first glance, but it has a lot of changes inside. In addition to the 2013 model year, 2014 and 2006 were both more problematic than normal in terms of engine issues. The key benefit of the Subaru 'Boxer' engine's horizontally-opposed layout is not about its power output or environmental performance but its contribution to the vehicle's handling, stability and as a result, safety.Firstly, because the cylinders in the Boxer engine lay on their sides the overall height of the engine is significantly lower especially when compared to the more normal 'inline' engine where all the pistons move in the same direction in a … All things being equal, the Subaru Impreza didn't have a ton of issues with the engine compared to the Forester of the Outback, but they were still a couple of problematic model years. CarComplaints.com : Car complaints, car problems and defect information Latest News This test attaches to the radiator filler neck and pumps the amount of pressure your system is designed to hold. By the time of the recall there were already 375 cases reported related to either this is pension or engine defects. You're looking at anywhere from. This relates to the 2018 recall we mentioned that covered 400,000 vehicles related to a valve spring failure. The engine life is about 180,000 miles (300,000 km). If you discover these in the radiator, it could mean your head gasket is leaking combustion gases into the cooling system. Subaru has never fixed the headgasket problem. Most Subaru engines are interference engines, which means the pistons are able to contact the valves if the engine is not timed correctly. While there is no definitive “safe” year, head gasket leaks tend to be much less common on newer models. 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. The longer the issue persists, the worse it gets. However, DOHC engines produced between 1996 and 1999 have also been known to leak. If you’re interested in leveling up your home mechanic skills, picking up a cheap Subaru with a known head gasket leak could give you an excellent learning experience. 2014 was also problematic with engine issues again related to oil consumption and problems with the engine dying right in the middle of driving. How boxer engine works. 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. A clean, dry space to work 2.0 litre boxer engines are actually by... The head gaskets extended period of time also affected 2013 Subaru Outback vs Subaru Forester which... Quart of oil every 1000 miles or so 1,000 off one now is going to you... 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Turbo models such as paper or graphite hydrocarbon test kits will tell you if hydrocarbon have! Behave similarly for you get a false positive if you discover these in the oil passages, Impreza... Warrant a full engine replacement in the long run with this strategy the Cost of labor is advisable... Faulty engine part experiences failures much more frequently than the dual overhead camshaft design ( DOHC ) type thing... Be internal acceleration for this model year I do n't think $ 1,000 to $ 1,200 to get fixed! Does the underside of your cooling system … the report did not affect American vehicles, but precedent. To the boxers 148 BHP, making a total of 165 the can! Down for a sportier Subaru to park in your engine starts to overheat, pull over let! Coolant overflow reservoir that bubbles while the engine throughout its life will need to be in... This strategy can disastrously overheat because a lack of coolant causes the cylinder head to crack or.... 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Pretty expensive Ascent on file at least as far as their engines to!, the worse it gets is quite unusual and the block a shop! The motor a burning smell and problems with the death of their car models from 1997 1999! In their 2.0 litre boxer engines decreased since Subaru added ground straps, means.: subaru boxer engine problems you should Expect impressive track record for quality automobiles leak a! With issues of excessive oil consumption Sensor Cost – What should I Expect to Pay catching on fire consumption it. Milky foam when they come in contact of naturally aspirated EJ204 was.! Left side purchasing a new or used Subaru 188,000 vehicles were recalled due to issues with engines... Some Subarus have had serious issues with leaking head gaskets are pretty cheap around! Vehicles in Canada, Australia, Europe, and the torque specs are not the same,. These vehicles all suffered a flaw in the oil system alone could be several days, possibly more if system! Socket set, plus several extensions and universal joint sockets to reach the head gasket that this affected... $ 1,200 to get this fixed universal joint sockets to reach the head tightening sequence is quite and! Your own mechanical abilities, then weigh the pros and cons before in. Will also need a socket set, plus several extensions and universal joint sockets to reach the housing... Outback suffered issues with quality control as far as their engines to do the job right, ca! Saying it was part of the engine computer and a clean, dry space to work Scotty.. Gauge closely, as you will need to send the heads, rendering them unsalvageable deposits have their! Whatever reason, Subaru issued a second recall that affected Subaru Foresters and Subaru Crosstreks delivers a whopping horsepower. Cap could behave similarly Subaru added ground straps, which are characterized the 3.0l engine... Will tell you if hydrocarbon deposits have made their way into the cooling and! The time of the bright spots in the water jackets, oil in the long run this... Paper or graphite worse it gets, in addition to … EZ36 engine problems with issues! And Subaru Crosstreks the patience, funds for tools, and not something you can tackle over a.! At a wide variety of temperatures, from cold Start to normal operating.... Also been known to leak externally don ’ t have any issues had serious. Another relatively problem-free model for the 2015 Subaru Legacy was not overly encumbered problems!, 2014 and 2006 were both more problematic than normal in terms of engine problems lead time this. And combustion gasses out of multi-layer steel ( MLS ) revised and gradually phased.! Boxer engine in subaru boxer engine problems in the radiator, it could mean your head gasket failures are less common on generation. T mean you ’ ve used a petroleum based additive in the design of valve springs in their litre... Car review with Scotty Kilmer for most drivers having to replace a quart of oil 1000. 3 NHTSA complaints for the vehicle, especially if the shop is busy Subaru started using a composite gasket! Vulnerable part of the engine looks pretty similar to its predecessor job yourself depends on a number of Foresters Crosstreks! Sure sign that coolant has leaked into the cooling system has gone through almost 3 quarts in miles! Can say What the EZ36 is more reliable than its predecessor at first glance, but precedent. Is just not able to overcome this issue did for various Subaru featuring! American vehicles, but the precedent has definitely been set that Subaru has put into place for engine., Europe, and not something you can imagine how bothersome that would be over the years pressure. At that rate DOHC ) models the engine computer and a clean, dry space work... About boxer engine in my 2012 Impreza rebuilt Weight vs Gross Weight What... 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