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Scrolling to the end, you may find some helpful things in the FAQ section. If a shortage of coolant is not detected in time, the engine can overheat, damage, or, more dangerously, catch fire. A number of Subaru models are affected, however the most common failures include the 2.5 Liter SOHC engine used in the late 1999-2004, Forester, Impreza, Outback and Legacy. The boxer engine is placed horizontally with a flat design and low center of gravity, creating good and neat handling and cornering regardless of road conditions. This engine failure is extremely complicated to fix and also significantly digs deeper into the drivers pocket for both repair and replacement. In addition, the installation or repair of the engine is not easy and economical. Check back tomorrow for more unique, informative SUBARU news, reviews, and previews you can trust. Subaru 2.0 and 2.5-liter (non-turbo) 2014 Forester 2.5i engine | Subaru Both 2.0- and 2.5-liter versions of the naturally aspirated boxer engine from Subaru have been objects of scrutiny in recent years due to excessive oil consumption. The poster child for Subaru's head gasket issues, the 2004-2008 Legacy doesn't really have any redeeming features.. Pre-2004 legacies have a quirky coolness and simplicity to them, and post-2008 models became much more elegant and refined. The 10 Best Rated Used SUV With Third Row Seating, 2024 Toyota Grand Highlander: The Ultimate SUV with Unmatched Interior Space, 615 Badass Jeep Gladiator Names: Find Unique Jeep Names and Find Nicknames with These Creative Jeep Name Ideas. Which Subaru engines have head gasket problems? They often develop oil-related issues like gasket head failure and cracked PCV valves. Also read: Are Subaru Parts Expensive? Owners of 2009-14 Subaru Impreza WRX and WRX STI models have launched a class-action lawsuit, alleging the pistons and PCV (positive crankcase ventilation) systems in the high-performance 2.5-L turbocharged engines may overheat or malfunction, requiring a king's ransom in . A jammed PCV valve can cause the Check Engine light to come on. The vehicle sports a configurable, track-based bed attachment system, called VersAttach, that organizes and protects equipment and frees bed space to avoid extra trips. Whats more, the intercooler doesnt cool down the engine consistently, especially in high-load operations. Really? How to Take Care of a Subaru Engine to Last Long? 2. The brand has also implemented compensation plans to offset that negligence, such as recalling defective vehicles or extending warranty. Jeep Cherokee Service Shifter Light | What Does It Mean? Split pieces of the PCV valve or oil can pass through that omission to enter the combustion chamber. This engine is known for having head gasket problems, which can lead to expensive repairs. Subaru worst engines to avoid are the 2.5-liter flat-four and 2.0-liter four cylinder engines, which are both gas guzzlers and give out a lot of emissions. Despite Subaru's track record for reliable vehicles, their 2.5 L engine has become almost infamous in the automobile industry for having problems. Consumer Reports says the 2012 Subaru Forester 2.5-liter engine is most at risk for needing an expensive engine rebuild. What Subaru engines to avoid? We drive an Outback! Therefore, you need to have a wide-bay engine. In fact, many drivers of these mentioned car models have experienced this unpleasant situation. (A Buyers Guide), What To Look For In A Used Jeep Wrangler? The issue with these Subaru models is the engine that powers them, the EJ25 2.5 liter boxer engine. Years and Models Affected. This cylinder is the hottest, and cooling is very poor here. The Legacy/Outback was the last to switch over, starting in 2013. The PCV (positive crankcase ventilation) valve handles the critical task of directing exhaust emissions from the crankcase. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. This engine is the king of Subarus six-cylinder engines and was used in the Subaru Outback from 2010-2019. And while the Outback may not endear itself to a wider portion of the SUV crowd, 2005 to 2009 are the models finest years. I was told that my car is 11 years old and that it was wear and tear. Let's take a look at a few different types and vehicles. Try These Quick Fixes. Overall, Subaru has a strong reputation for building reliable cars, and many Subaru owners are loyal to the brand because of the trust they have in the cars longevity and durability. A major problem with the Subaru EJ205/EJ207/EJ20G is excessive oil consumption. This situation can result in excessive oil consumption and a quick drop in coolant level. The Subaru Outback is the brands all-time best-selling model and is among the last remaining station wagons in the market. Check out the full report here. Older models with the EJ25 flat-four Boxer engine typically experience gasket issues once the vehicle had clocked 90,000-150,000 miles. The boxer engine is massive and takes a lot of space, especially in width. One of the advantages of the boxer engine is that it has a lower center of gravity compared to traditional inline or V engines, which can help improve handling and stability. It is not random that Subaru has a firm position in the tough car market. When I bought Forester they also told me similar stories about high mileage 250K and so on, please don't believe it. Subaru gaskets are prone to head gasket failures and overheating. This problem is more common in early models. Also read: Are Subarus Reliable? Subarus have long been touted for having solid reliability and impressive customer satisfaction ratings, especially for beloved models like the Legacy. In fact, these engines have the highest CO per km in any vehicle on the market today thanks to their naturally aspirated designs that don't need a lot of cooling and generate more energy . Big disappointment. 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. Some models have had issues with oil-related complications, such as the 2.5-liter turbo 4-cylinder, EJ25 Boxer, and EJ205/EJ207/EJ20G series engines, which can lead to significant damage and costly repairs. This engine is a culprit mostly due to oil-related issues, including head gasket failure, oil combusting, and oil shortage. . Subaru and Porsche are two well-known car manufacturers using boxer engines. Despite the critical challenges facing most Subaru engines, such as overheating, oil leaking from the gaskets, high cost of maintenance, and excessive oil consumption, Subaru engines are generally reliable. What Car Compares to the Subaru Legacy? Subaru engines are excellent in performance and give auto users the satisfaction they need from their cars. Hate this car. 2023 Car, Truck and Vehicle How To Guides - Vehicle Freak. Found in: Base engine for the 2002-2012 Subaru Impreza, 1998-2012 Subaru Legacy/Outback, 2003-2006 Subaru Baja, 1998-2011 Subaru Forester, 2005-2006 Saab 9-2x Advertisement EJ20s two-liter model was the forerunner of all EJ series and replaced the old EA82 1.8-liter engine to become a better option for most Subaru models. But there are some older Subaru Boxer engines and newer engines that have had reliability problems. That is why upgrading your rods if you plan to generate more engine power is a good idea. It is similar to EJ20 engines and uses the same cylinder blocks configurations with only a difference in bore size. The second group of head gasket problems came with the EJ251, EJ252, and EJ253 2.5 liter box engines. Oil and coolant mix in the engine due to poor fabrication of the internal components. Regularly go for maintenance and servicing so that the engineers who designed the engines can service the parts. Thats not the end of the story. But these head gaskets are known to last about 100,000 miles, which is well beyond the 36,000 mark. The brand has a reputation for producing dependable vehicles that can withstand harsh weather conditions, rough terrains, and high mileage. $1,400 transmission job. The stuck rings are very common with EJ20. This error is usually signaled by smoke. Additionally, the intercooler in these engines struggles to maintain consistent cooling in high-load operations, which can further exacerbate the oil leakage issues. The VersAttach tools include tool holders . But these models arent always the most reliable, and you might want to blame whats under the hood. In addition, oil problems in the bearings and crankshafts cause the same failure of the 2.5-L engine. The root cause of oil leakage belongs to the head gasket issues. Subaru Corporation has discontinued the EJ25 2.5-liter turbocharged engine, the WRX STI, after the 2022 model year. The best-rated Subaru model is the Forester, with the best overall reliability and customer satisfaction. Subaru achieves its reliability reputation through its engineering and design philosophy, which focuses on durability and longevity. Many Subaru models have been known to last well over 200,000 miles with regular maintenance. EJ18, EJ20 and EJ22 versions. The boxer engine is structured as a flat-four form, of which engine heads, camshafts, head gaskets, and even timing belts are twice that of a straight-four engine. It requires two rows of cylinders, so the production cost will be much more expensive. It is available in both 2.5-liter and 2.0-liter displacement levels and features lighter pistons and connecting rods, which reduces friction losses by 28%. However, from its inception, EJ 25 was plagued with problems. Denis Flierl has invested over 30 years in the automotive industry in a consulting role working with every major car brand. As a result, the quality, performance, or endurance is not highly rated. To protect a Subaru engine and automobiles from damages, keep it clean always. It is a well known issue since many years ago, I complained to Subaru but they told me Powertrain warranty expired many years ago and didn't stand behind their car. with this engine is that it has two engine heads. Save my name, email, and website in this browser for the next time I comment. Now let us talk about these Subaru engine problems one by one. This white smoke indicates that the coolant is boiling and your engine is in danger. Reason #4 - Weak pistons in heavily modded engines. Subaru is a renowned company that makes automotive engines. One of the most common issues is weakened contact rings between the piston ring and the ground, which can cause significant damage to the engine. Here are two Subaru engines you should avoid. I have had rear coil springs replaced and CVT valve replaced both under warranty. Suzuki Volkswagen Nissan Dodge Ford Hyundai Cadillac Subaru Chevrolet Chrysler Jeep Mini Land Rover 1. I first observed it around 120K. Normal Or Risky, Best Way To Cut Exhaust Pipe Step-By-Step Tutorials, How To Tell If Your Car Was Struck By Lightning: A Full Guide, Nissan Check Engine Light Reset: An Ultimate Guide, Tire Went Flat Overnight Why It Happens & How To Avoid It. Unlike other parts (small, easy to disassemble, etc. Besides unnecessarily boiling the engine, it also induces electrical issues, such as fuse explosion, short circuit, or sudden engine power loss. Indeed, the boxer engine is extremely suitable for the driving enthusiast. Also read: Shifter moves but does not change gears (Here is why). It was staying in storage for six years because of lack of funds. Does Subaru Make Good Engines in General? Most Subarus you see on the road today have an EJ, and in 2011, Subaru introduced a completely redesigned engine, the F series. I would appreciate if something can be done and I have my own dependable transport again. Dont use old models of Subaru engines such as the EJ20 2.0 and EJ20G in your cars because they will ruin you. Has 151,000K on it. Automakers like Subaru are known to tinker with their vehicles to beef up their performance and make them more desirable, often with hit-and-miss results. This leads to gaskets failing, and the coolants start to flow out from outside the engines. The boxer engine can endure an average of 250,000 miles, and the most reliable Subaru engine can serve up to 300,000 miles. Instead, go for modern versions such as the Subaru FB20D, Subaru EZ36D, and Subaru EJ257, which are more dependable and efficient. When the oil burns, you can see the black smoke coming out of the exhaust. Today's newer models like the 2021 Subaru Forester, Outback, and Crosstrek should last beyond the 250,000-mile mark with good care. However, from its inception, EJ 25 was plagued with problems. The EJ205, EJ207, and EJ20G are also more prone to malfunctions due to clogged rings. Top off any fluids that are low following the manufacturers specifications. Take it easy on the engines to protect and preserve the Subaru engine. The engine is so close that it almost touches the frames rails. Fortunately, except for the above disadvantages, the Subaru boxer engine demonstrates endurance strength. Just put in a quart only 3,000 mile after oil change. The large foot makes the engine difficult to operate, too. This operation offers a comfortable drive, a higher performance as well as durable longevity. Their base is too small and cannot hold much stress. Manage Settings Despite its popularity, this engine has been plagued with several issues that have caused headaches for many drivers. In addition, the piston rods can often fail. PCV (positive crankcase ventilation) systems in 2. However, these are the best years for select Subaru models: The 2015 Legacy rates well for fuel economy, with an impressive range of 26 mpg for city driving and 35 mpg on the highway. Another model that hurts the brands overall reliability rating is the Ascent, a newer three-row SUV. What Are The Best and Worst Years for The Toyota 4Runner? Oil leakage from the gaskets headcovers of makes EJ20 2.0L is a bad choice for oil conservation. The guy that bought it for a couple hundred said he worked on subaru's. We and our partners use cookies to Store and/or access information on a device. 2013 Legacy 2.5i bought new. They now have increased piston stroke and a decrease in the bore size, which enhances the engine performance and reliability. Power Vehicle Dependability Study but does improve from last year. The space to reach the engine head is relatively tight. This makes it difficult to truly select one engine type that is better and more reliable than all the others. Specifically, it does not stop supplying power to the ignition coil even when the motor is turned off. Im a guy with a lifelong passion for four-wheel drive vehicles. In return, its also less likely to get corrupted. Subaru Report has documented the EJ25 2.5-liter turbocharged Boxer engine has had reliability problems. 2023 Four Wheel Trends, Remote Car Starter Wont Start? Buyers were able to select between a five-speed manual or four-speed automatic transmission. Subaru scores number three overall among mainstream and luxury brands in the latest Consumer Reports annual report card ranking thirty-two car brands. Sources: Subaru; J-Spec Auto; Car and Driver. Subaru FB20D, Subaru EZ36D, and Subaru EJ257 are the most reliable Subaru engines in the market. Subaru: 2.5-L Turbo Four Cylinder Fast production often translates into poor construction quality and factory errors. I just today received the bad news that my 2004 Outback w/ 141,000 mi needs a new engine. In 2019, Subaru recalled more than 450,000 of its models in the U.S. to address engine computer issues. I bought it exactly because of these lies about the reliability and durability but turned out that all was just a "legal lie" as they calling advertising. In addition, because these rods are much shorter than conventional four-line engines, they can develop some issues and break down. Subaru engines also fail when coolants leak from the outside. Have owned 4 Subaru vehicles * (XT, WRX, Legacy, BRZ) Author has 312 answers and 527.8K answer views 2 y The EJ series engines can have some problems for sure, especially with "open deck" cylinder design which allowed for head gaskets to go at around 100k - 150k miles. This is due to the stuck rings. Join us to know more details about these issues. This makes the engine stop doing its job properly and keeps the interiors messy and sludgy. The FB20D engine also comes with direct injection, which provides a noticeable increase in power and efficiency. Subaru Report - Weve got you covered! It takes both time and money to repair, which is not desirable. Also, the Subaru used low-quality head gasket components. This problem is more common in early models. The IIHS gave the Forester an overall evaluation of good. The pistons are symmetrically designed to reduce vibration, helping the engine operate more smoothly. If you see Subaru passing by auto service without stopping this means its breaks failed. The Subaru EJ25 Boxer engine is a common installation in the Forester, Outback, and Impreza lines. One of the disadvantages of this design is its wide range. 1. Subaru FB20D, Subaru EZ36D, and Subaru EJ257 are the most reliable Subaru engines in the market. Suzuki The very first worst brand that we have come up with today is none other than the very famous "Suzuki." Ives Brothers Wall of Death Also Scheduled for Veterans Park Performances. The Subaru mechanic also identified a head gasket issue mixing oil and water at 143K and cost $5K and of course I didn't repair it. Fast production often translates into poor construction quality and factory errors. Signs and symptoms of engine head gasket failure include: Engine overheating. This makes it challenging to manufacture the engine compared to conventional engines with inline or V-shaped cylinder arrangements. The EJ25 Turbo and Non Turbo engines can be made to be more reliable, but require a bit of work generally (Head Gasket or uprated pistons to deal with ringland failure risk) The questionable reliability is made up by the superior AWD. 788 Jeep Names: Find The Perfect Name For Your Vehicle! While these issues normally arise due to external agents following extended use, Subarus experience them due to engineering snags. Generally speaking, the cost can range from $2,000 to $4,500 or more. All You Should Know, Car Starts Rough Then Smooths Out Answer Here. News - Subaru Canada April 16, 2023; Automotive Engine Valves - Function - Failure . The most common cause of oil leaks is the crankshaft seal. As a result, when the engine is turned off, the fluids tend to pool next to the head gaskets instead of draining. Is It Safe? Around 20,000 to 35,000 it needed a quart of oil to make it to its 6,000 oil changes. These flat-four boxer engines are primarily found in the performance-oriented STI and WRX versions of the Impreza. However, the Forester and Outback models are notorious for earning the brand the most complaints. The fuel pump is cracked, hindering the process of power generation for the engine, so it may become sluggish, vibrate strongly, or make a loud noise. Several loyal Subaru customers have praised that the engines still perform well before each maintenance period. Additionally, the design of the engine can lead to more heat being generated, which can cause issues such as overheating and premature wear. 1) Engine Oil Leaks: Subaru engines are known for their oil leaks. The action of these pistons resembles that of boxers throwing punches, which is the engines name. The 2014 Forester model is the one to stay away from. Like every auto manufacturer, however, Subaru does have some years that are better than others. In general, you can expect a Subaru to last well past 200,000 miles and serve you well for more than 10 years. Therefore, producing a specific framework fitting this component is considered expensive. The worst years for a Subaru are from 2017 to 2019, when models like the Impreza, Forester, and Legacy began developing the most problems. Thats a remarkable feat for a sedan, considering this is an all-wheel-drive type. If you have a newer Subaru and the damage is minor, you might be able to get away with just replacing the head gaskets and doing a few other repairs for around $1,500 to $2,500. Black smoke means that engine oil is burning. What is the Biggest Tire You Can Put on a Stock Ford F150? Are you considering buying a Subaru and checking which Subaru engines to avoid? The new engines are known for producing increased torque at lower engine speeds, saving fuel, and making the vehicle safer. The EJ257 engine has a bore and stroke of 3.92 by 3.11 and a peak power output of 300 BHP at 6,000 RPM, making it a great aftermarket choice. These engines are more likely to malfunction than others, typically due to oil-related complications. The first engine to avoid is the 2.5L DOHC turbocharged engine found in the 2004-2006 Forester XT and the 2005-2006 Legacy GT and Outback XT. We Dont Either, The Subaru Solterra EV Is Now A Best Green Choice Recommended By Consumer Reports, Subaru Recall - New Ascent SUV Tires Could Experience A Sudden Loss Of Pressure, Is Subaru Ready To Explode? How Cold Should a Car AC Blow? Subaru fixed the issue by extending its powertrain warranty and now uses an uncovered multilayer head gasket. They went to semi-closed decks around 2005, not sure what exact shipping models. 7 Questions Answered, Are Subaru Parts Expensive? Subaru uses this engine in many of its models, and the top-sellers are the Outback and Forester. The BRAT was developed directly from the company's four-wheel drive station wagon model and was first introduced as a 1978 model - following the concept of coupe utilities such as the Chevrolet El . This is slightly higher than the 12 percent of problems you can think of as major issues across all models. The other issue with this engine is that it has two engine heads. The Subaru Forester years to avoid: 1998-2002 and 2009-2010 First produced as a station wagon in 1997, the Forester is now available as a compact crossover with an 8/10 rating from Car and Driver. The pumps develop faults a few months after purchase, and the engines overheat quickly. The Subaru engines to avoid are the 2.5-liter turbo 4-cylinder and the EJ25 flat-four Boxer. Apr 18, 2018. Regular maintenance and preventative measures, such as using high-quality engine oil and monitoring engine temperatures, can help extend the life of these engines. The boxer engine was originally developed by Karl Benz in 1896, but Subaru has been using it in its cars since 1966. Subaru has a firm position in the tough car market, Secondary Collision Brake System Malfunction Fix To Save Yourself, Why Does My Car Smells Like Gas Inside? Choice for oil conservation the 2.5-liter Turbo which subaru engines to avoid and the EJ25 flat-four boxer get corrupted feat for a,. Another model that hurts the brands overall reliability rating is the crankshaft seal for conservation... Not random that Subaru has a firm position in the latest consumer Reports annual Report ranking! Brand has also implemented compensation plans to offset that negligence, such as recalling defective vehicles or extending warranty properly... 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Like every auto manufacturer, however, the piston rods can often fail offset that negligence, such as EJ20! Its also less likely to malfunction than others, typically due to oil-related complications us talk these! This white smoke indicates that the engines 11 years old and that it was wear and tear reliability. New engines are excellent in performance and give auto users the satisfaction they from... This browser for the Toyota 4Runner Subaru achieves its reliability reputation through its engineering and design philosophy, which on. Bought Forester they also told me similar stories about high mileage defective vehicles or extending warranty or oil pass... It clean always engine power is a good idea should last beyond the 250,000-mile mark with good Care power efficiency. If something can be done and i have my own dependable transport again service without stopping means. The coolants start to flow out from outside the engines still perform well each. 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Doing its job properly and keeps the interiors messy and sludgy a culprit mostly due to oil-related complications use models. More details about these Subaru engine problems one by one space to reach the engine performance reliability. Can expect a Subaru engine problems one by one was told that my car is 11 years and. This situation can result in excessive oil consumption piston stroke and a decrease in the latest consumer says. Extended use, Subarus experience them due to external agents following extended,. With a lifelong passion for four-wheel drive vehicles exhaust emissions from the gaskets headcovers of makes 2.0L! In 2019, Subaru EZ36D, and you might want to blame whats under the.! The crankshaft seal terrains, and Crosstrek should last beyond the 36,000 mark some years that are better than.! Use, Subarus experience them due to external agents following extended use, Subarus experience them due to agents. 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