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. The Subaru WRX STI is a prime example of the capabilities of a boxer engine. This particular recall affected vehicles in Canada, Australia, Europe, and parts of Asia. In the 2018 Reliability survey conducted by Which? It stands for Continuously Variable Transmission, and this innovative technology has been engineered to work seamlessly with the SUBARU BOXER ® engine and Symmetrical All-Wheel Drive to help reduce fuel consumption. 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. 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. Most Subaru engines are interference engines, which means the pistons are able to contact the valves if the engine is not timed correctly. All I can say is WOW! While there is no definitive “safe” year, head gasket leaks tend to be much less common on newer models. Subaru Foresters made between 1999 and 2010 also suffered this issue. Some head gaskets are a composite made out of other materials such as paper or graphite. On first generation Outbacks and second generation Legacy models, the gaskets tend to leak externally. Something to keep in mind if you're looking for a sportier Subaru to park in your driveway. the problem related to a faulty fuel-pump. 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. 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. Assuming the cooling system was bled correctly, air in the heater core is almost always caused by a head gasket leak. In 2018 Subaru recalled a number of Foresters, Crosstreks, Imprezas, and BRZ Sports Coupes that were designed from 2008 until 2013. © 2019 Cash Cars Buyer. Beneath the rear seats and boot floor of both the Subaru XV and Forrester sits a 13.5 kWh lithium-ion battery pack. Drivers reported not just excessive oil consumption issues but also hesitation while accelerating and unusual noises coming from their engine as well. By the time of the recall there were already 375 cases reported related to either this is pension or engine defects. There is an oily residue in the overflow bottle, in addition to … Some Subarus have a reputation for eating head gaskets at a very low mileage. However, just because you don’t notice excessive white smoke doesn’t mean you’re leak free. A head gasket provides the sealing surface between the cylinder head and the block. That could lead to a short circuit and blown fuses. The valves had a durability issue that could lead to engine stalling. 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. You may also get a false positive if you’ve used a petroleum based additive in the radiator. PCM Relay – What is the Function of This Part? My own experience is that they are good but not great. In this case the aluminum positive crankcase ventilation valve had the potential to simply fall apart. Despite Subaru’s track record for reliable vehicles, their 2.5 L engine has become almost infamous in the automobile industry for having problems. The single overhead camshaft (SOHC) variant experiences failures much more frequently than … NO NO NO. has also had to recall a number of models because of engine problems. 13 Causes of a Stiff Clutch Pedal (w/ Simple Fixes), 6 Symptoms of Bad Spark Plugs (and Replacement Cost), 7 Symptoms of a Brake Caliper Sticking (and Common Causes). A quality torque wrench is a must. It’s wise to grab a safety conscious buddy to help you out if you’re new to this type of thing. The most problematic year for the Subaru Legacy's engine was 2015. Subaru has an impressive track record for quality automobiles. You're looking at anywhere from. The Subaru EJ25 2.5-liter Boxer is the engine that has experienced the most problems for the Japanese automaker. If this is your daily driver and you don’t have a backup vehicle, you probably won’t want to do this job yourself. Driving with a blown head gasket is not advisable. A burning smell and problems with the engine simply not starting we're also not uncommon complaints for the 2015 Subaru Legacy model year. All Subaru vehicles are powered by a Boxer engine and many models may be using the same valve spring that is … Before purchasing, make sure you have the patience, funds for tools, and a clean, dry space to work. 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. If it’s the latter, that’s a warning sign that coolant has leaked into the oil system. The Subaru Legacy was not overly encumbered by problems with the engine throughout its life. 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. If you see bubbles coming from the radiator filler neck or overflow reservoir while performing a leak down test, you have a head gasket leak. An overheated engine could cause more engine damage and a more expensive repair bill. You can imagine how bothersome that would be over the course of a year if you had to continually add oil at that rate. The axle and suspension appears to be the main problem, accounting for 38.46% of all problems, followed by the engine. This covered the 2019 Subaru Ascent, the Subaru Impreza, the Subaru Legacy, and the. 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. 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. Their boxer style engines are actually preferred by a number of drivers. A leak down test is a sure fire way to know if you have a head gasket leak. If you notice this unusual smell, it may be a good idea to have the cooling system tested as soon as you can. SUBARU BOXER ENGINE PERFORMANCE BY MODEL. Many symptoms of a head gasket leak on a Subaru are very similar to head gasket leaks on other vehicles. According to Subaru it was well within parameters for this much oil to be consumed. But we can say what the EZ36 is more reliable than its predecessor. Investor Relations. If your car is in the shop for a head gasket repair, consider having them change the timing belt, water pump, idler pulleys, cam seals, both main seals, and the front transmission seal if you’re not sure when they were last replaced. These accounted for 23.5% of reported owner problems with axle and suspension issues coming in … Hydrocarbons are produced when gases ignite in the combustion chamber. That said, you can't deny the evidence that has been presented on CarComplaints of so many drivers experiencing long-standing issues. There are several ways you can test the integrity of your cooling system and combustion chamber. I don't think $1,000 off one now is going to help me very much for a known problem … The boxer engine in the WRX made Wards’ 10 Best Engines list in 2015 and 2016. This test will tell you if any combustion gases are able to escape into the cooling system, or elsewhere in the vehicle while the combustion chamber is supposed to be sealed. Affiliate Disclosure: We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. Though there was never an official Subaru head gasket recall, the problem is pervasive enough where it can be expected that certain original head gaskets will fail between 100,000 and 150,000 miles (160-241k kilometers). 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. By the time of the recall there were already 375 cases reported related to either this is pension or engine defects. The information below is COMPLETELY false. Melinda: "I just had to have the engine in my 2012 Impreza rebuilt. Subaru exacerbated this problem for many drivers by essentially ignoring it and saying it was part of the normal operating procedure for the vehicle. There is a clear problem with some of the older Subaru models on the road. The horizontally opposed cylinder configuration provides a low center of gravity, which contributes to balanced handling, cornering, and stability, regardless of the type of pavement. Their boxer style engines are actually preferred by a number of drivers. Do Subarus Still Have Head Gasket Issues? The worst complaints are vehicle speed control, engine, and vehicle speed control:cruise control. You're looking at anywhere from $1,000 to $1,200 to get this fixed. 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. You will need some specialty tools you may not have, such as a torque angle gauge and an engine crane (also known as a cherry picker). They were recalled due to faulty rear suspension and also engine valves that had the potential to fail. One of the telltale symptoms of a head gasket leak is an overheating engine. 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. Some drivers were having to replace a quart of oil every 1000 miles or so. Called Subaru and they offered me $1,000 toward a new Subaru. Generally speaking, when an automaker becomes aware of a problem, especially one in the engine, it might last for a few model years until they get the problem worked out. 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. How Much Does a Head Gasket Replacement Cost. This skinny part has a very difficult job. Consider budgeting extra time and money for a valve job if the valves have seen better days. Subaru Corporation - Corporate Information. The real news with the 2020 Outback's engine options is the new-to-Outback 2.4-liter turbo-four. It effective 2013 to 2018 Foresters as well as Crosstreks made in the same year range. It seems as though Subaru offers the perfect size boxer engine for each vehicle type including: 2.0 liter 4 cyl DOHC engine w/ 148 hp and 145 lb-ft torque [XV Crosstrek and Impreza] 2.0 liter 4 cyl DOHC engine w/ 200 hp and 151 lb-ft torque [BRZ] The Subaru Ascent is another extremely new vehicle in Subaru's lineup. 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. A head gasket replacement is very involved. Whether or not you can do this job yourself depends on a number of factors. The most recent recall that Subaru has put into place for its engine issues was in April of 2020. The Subaru Crosstrek has been another relatively problem-free model for the Subaru lineup. Subaru first utilized a boxer engine in 1966 in the Subaru 1000. A blown head gasket can manifest in several ways. Honda vs Toyota: Which Brand is More Reliable? The Subaru my family owned (turbo 4 boxer) had a few engine issues, including a broken piston fairly early in life. The main problem years are 1996 through 2004. 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. Removing the engine makes it much easier to extract the head bolts in particular, which are very long and won’t clear the body with the engine sitting normally inside the engine bay. In addition to the 2013 model year, 2014 and 2006 were both more problematic than normal in terms of engine issues. to get this fixed. 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. Repair estimates commonly exceed $1,500, depending on the extent of the damage and what other maintenance is performed while the mechanic is in there. in your engine is not a cheap job by any means. The problem started when Subaru started using a composite head gasket in some of their car models from 1997 to 1999. The 2011 Subaru Forester was plagued with issues of excessive oil consumption. This covered the 2019 Subaru Ascent, the Subaru Impreza, the Subaru Legacy, and the Subaru Outback. The true cause is likely some combination of these reasons. This problem has largely decreased since Subaru added ground straps, which protect the most vulnerable part of the head gasket. There is a lot of speculation on the exact cause of Subaru’s widespread head gasket leaks. The most problematic year for the Subaru Legacy's engine was 2015. 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. For whatever reason, Subaru is just not able to overcome this issue and kept it going for far longer than it should have. FB20 cylinder block is aluminum and has open deck, with cast-iron sleeves, cylinder diameter is 84 mm, and piston stroke is 90 mm. To do the job right, you will need to send the heads off to a machine shop to be resurfaced. This 3.6-liter engine has almost the same problems, which are characterized the 3.0l EZ30 engine. It must do this job at a wide variety of temperatures, from cold start to normal operating temperature. They fixed it on the “insert model year here”. Don’t forget the factory service manual. The engine can disastrously overheat because a lack of coolant causes the cylinder head to crack or warp. 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 2013 Subaru Outback was the worst model year in terms of engine issues. Boxer engine car review. 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. It's become clear in recent years that Subaru has had some issues with quality control as far as their engines are concerned. Head gasket failures are less common on the Subaru 3.0 and 3.6 L H6 models like the Tribeca. An awful lot of Subarus were beginning to have severe engine issues in the form of blown head gaskets. The head tightening sequence is quite unusual and the torque specs are not the same across all models. To combat lower than ideal sales, along with the death of their diesel line up comes the e-Boxer. If you notice a thick cloud of white smoke out of the exhaust that persists after initial startup, you probably have a head gasket leak. This would cause enough damage to warrant a full engine replacement in the worst case scenario. The Truth About Boxer Engine Cars, FYI and car review with Scotty Kilmer. In fact, CarComplaints has no complaints related to the Subaru Ascent on file at least as far as engine problems go. 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. In terms of newer models, Subaru has still had a few problems as we've seen with some of the recalls that it has issued. However, DOHC engines produced between 1996 and 1999 have also been known to leak. 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. Radiator hydrocarbon test kits will tell you if hydrocarbon deposits have made their way into the cooling system. Subaru's 2018 Engine Recall. If the heads cannot be resurfaced, replacement heads will not be cheap. Faulty chemistry and corrosion are a common problem on older 2.5L models, in which coolant tends to leak from the left–side cylinder. Most modern head gaskets are made out of multi-layer steel (MLS). 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. While replacement head gaskets are pretty cheap (around $100), the cost of labor is not. 2019 Subaru Outback engine problems with 19 complaints from Outback owners. 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. One of the bright spots in the Subaru lineup is their sporty BRZ Coupe. The lead time for this step alone could be several days, possibly more if the shop is busy. The longer the issue persists, the worse it gets. Where did this reputation come from? 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. If the system won’t hold pressure, you have a leak somewhere. CarComplaints.com : Car complaints, car problems and defect information Latest News In an emergency, leaky head gaskets will probably not prevent you from driving the vehicle, especially if the leak is minor. These vehicles all suffered a flaw in the design of valve springs in their 2.0 litre boxer engines. The Subaru Legacy was not overly encumbered by problems with the engine throughout its life. 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. The single overhead camshaft (SOHC) variant experiences failures much more frequently than the dual overhead camshaft design (DOHC). Heating Problems on Newer Subaru Models It did not affect American vehicles, but the precedent has definitely been set that Subaru has had some serious concerns with their engines. 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. The engine life is about 180,000 miles (300,000 km). As a bonus, it gives you a great excuse to convince your significant other that it’s time to fill your garage with some sweet new tools. When one head gasket leaks, the other is usually not far behind. , 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. Subaru has never fixed the headgasket problem. An overflow reservoir that bubbles while the engine is running is a sure sign that something isn’t right. Its turbocharged four-cylinder delivers a whopping 305 horsepower and can pull off a zero to 60 sprint in 4.7 seconds. Boxer engine explained. 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. Models as late as 2019 had to be brought in for repairs due to issues with their engines. An impact wrench will make certain tasks much easier, such as removing the crank pulley bolt. It is not for the faint-hearted, and not something you can tackle over a weekend. View all 99 consumer vehicle reviews for the 2020 Subaru Forester on Edmunds, or submit your own review of the 2020 Forester. recalled over 400,000 vehicles in the US. The engine looks pretty similar to its predecessor at first glance, but it has a lot of changes inside. The 2.0-liter FB20 engine replaced the EJ-series 2.0-liter engine. If it's not excessive oil consumption, it’s problems with failing valves. You may notice oil leaks between the head and the block of the engine. . 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. 2012 is arguably the worst year for the Subaru Impreza’s engine. The most recent recall that Subaru has put into place for its engine issues was in April of 2020. Watch your coolant temperature gauge closely, as you will likely overheat the engine if you drive for an extended period of time. Just under two months after Subaru’s first recall, Subaru issued a second recall that affected Subaru Foresters and Subaru Crosstreks. Over the years the EJ25 engine’s design was revised and gradually phased out. While you’re in there, check to make sure the radiator cap is good, as a bad cap could behave similarly. The valves had a durability issue that could lead to. So that's something to consider. 188,000 vehicles were recalled over risk of the engine stalling. This motor has the same flat-4 boxer configuration, and its capacity is 2 liter. 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. If your engine starts to overheat, pull over to let it cool down for a bit before you continue driving. Overheating an engine could warp the heads, rendering them unsalvageable. In 2010 the successor of naturally aspirated EJ204 was presented. In 2018 Subaru recalled a number of Foresters, Crosstreks, Imprezas, and BRZ Sports Coupes that were designed from 2008 until 2013. Subaru Outback vs Subaru Forester: Which Crossover SUV is Right for You? 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. If your Subaru is a 2012 or newer, odds are really good that you won’t have any issues. 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. it was so smooth and quiet, I couldn't hardly tell it was running. So what year did Subaru fix this problem? Some Subarus have had serious issues with their head gaskets, and. This adds an extra 16.5 BHP to the boxers 148 BHP, making a total of 165. How boxer engine works. A. and problems with the engine simply not starting we're also not uncommon complaints for the 2015 Subaru Legacy model year. 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. All Rights Reserved. However, that was 20 years ago now. 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. If you discover these in the radiator, it could mean your head gasket is leaking combustion gases into the cooling system. Do lots of research, and make sure you can really commit to this job before you dive in on your own. As you may have guessed, the most common issue drivers reported was excessive oil consumption. MAP Sensor Cost – What Should I Expect To Pay? Signs of the Subaru Head Gasket Problems In The First Generation Engine The first generation Subaru 2.5-ilter engine usually gives certain signs and symptoms that the head gasket has blown. This obviously presented a serious safety risk. Keeping in line with the recall we mentioned earlier, the 2008 Subaru Impreza mostly had issues with leaking head gaskets. This relates to the 2018 recall we mentioned that covered 400,000 vehicles related to a valve spring failure. Although some were subject to the recalls we mentioned earlier, in general very few drivers have ever reported any problems with their BRZ engine. 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 … These cars develop an external oil leak at the head gasket and coolant leak at the gasket’s left side. 188,000 vehicles were recalled over risk of the engine stalling. Both gaskets are typically replaced at the same time. Pressurized oil leaks can result in engine compartment fires. In October of 2019 the Subaru recalled over 400,000 vehicles in the US. These vehicles all suffered a flaw in the design of valve springs in their 2.0 litre boxer engines. This issue is common on second generation Outbacks, as those leaks tend to be internal. Over 760,000 Vehicles worldwide were subject to this recall. 2014 was also problematic with engine issues again related to oil consumption and problems with the engine dying right in the middle of driving. The Legacy, Subaru’s everyday sedan, was prone to a myriad of engine problems not limited to turbo failure, radiator failure, and problems with the starter motor. One of Subaru's proudest points when discussing the new engine is an increase in piston stroke without enlarging the dimensions of the boxer, thanks largely to a … 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. 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. There should be no air in the cooling system. The 2020 Subaru Ascent has 3 NHTSA complaints for the engine at 1,175 miles average. . If that happened every could enter the engine and lead to serious damage including power locks. Subaru FB20 engine reliability, problems and repair. You may notice a burnt oil or fuel smell coming from the radiator or coolant overflow reservoir. Follow the factory service manual very closely. 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. The recall was to fix problems with the engine computer and a problem with debris that could fall into the motor. EZ36 Engine Problems and Reliability. The FB20 is the entirely new flat-four third generation engine. 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. There’s no better time to replace them, and you may end up saving money in the long run with this strategy. It was even claimed that the risk of engine failure increased after the fix and in some cases led to cars catching on fire. 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. Subaru and mazda all have more than their share of problems. Just like the Forester, the Outback suffered issues with the excessive oil consumption. This test attaches to the radiator filler neck and pumps the amount of pressure your system is designed to hold. How does the Subaru e-Boxer engine work? The recall was to fix problems with the engine computer and a problem with debris that could fall into the motor. Information for investors: View financial results and more. How Long Does It Take To Charge a Car Battery? They are also rare on the turbo models such as the turbo Baja, Impreza WRX, and Impreza WRX STI. Since boxer engines are so wide, many mechanics remove the engine entirely to perform this repair. To reach the head gaskets, a mechanic has to tear the engine down to the short block. 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. Remember, few mechanics will be happy if your car shows up on a flatbed with a bunch of parts strewn about the interior because you got yourself in over your head.