Why do Subaru boxer engines fail?

But some 2001-2009 engines still had the problem. Consumer Reports says the older Subaru models using this engine will typically start to have head gasket issues around 90,000 to 150,000 miles. The reason the Boxer engine seems to be more prone to have this problem is because of the engine design.

Why do boxer engines fail?

The issues that have traditionally plagued Subaru boxer engines (head gasket failures, oil consumption) are direct consequence of the boxer configuration. They have been corrected to certain degree, but there is only as much as engineers can do without making the engine prohibitively heavy and expensive.

How long do Subaru boxer engines last?

These vehicles are durable and will last between 13 and 17 years of service before breaking down or needing expensive repairs. Vehicle longevity can vary greatly and ultimately its down to the owner to get the most life from their car.

Why are Subarus so unreliable?

One of the core reasons that Subaru reliability has dropped is due to the problems that the Outback and Legacy have had with in-car technology. This is a common reason for declining dependability in a number of makes and models since the early 2000s. Many cars today have a great deal of new and complex technology.

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Has Subaru fixed their engine problems?

After 2009, newer models using the EL25 2.5-liter engine should have far fewer head gasket problems because Subaru started using a multi-layered steel cylinder-head gasket. Starting in 2012, reports say the Japanese automaker redesigned the 2.5-liter engine in the Forester and Outback and has fixed the problem.

What are common problems with Subarus?

The Most Common Subaru Problems

  • Denso Fuel Pump Failure. …
  • CAN System Parasitic Drain on the Battery. …
  • Unintended Acceleration. …
  • Brake Light Switch Defect. …
  • Cracked Windshields. …
  • Subaru STARLINK Problems. …
  • Lineartronic CVT Reliability. …
  • Rodents Chew Subaru’s Soy Wires.

Is Subaru better than Toyota?

They both sell vehicles that provide great reliability, value, and performance. Subaru vehicles are famous for their focus on safety, something Toyota is also now addressing. When you compare models head-to-head, you’ll be convinced that Subaru is a better value and a more durable vehicle.

Are Subarus expensive to fix?

So, Are Subarus More Expensive to Repair? Yes, Subarus are more costly to fix. At least when compared to domestic brands, they are. … Subaru engines are also prone to head gasket failure, and catalytic converters can cost a lot more to replace than the same part on domestic brands.

How many miles is too many for a Subaru?

While results will vary and the big variable is always how well the car has been maintained, what I can tell you is a Subaru is capable of going 300,000 miles. And if you are a regular maintenance type of owner you should expect to get that type of mileage out of it.

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Does Subaru boxer engine have timing belt?

The only engines with belts that haven’t been equipped with timing chains are the high-performance ones. The timing belt must be inspected every 30,000 miles and replaced every 105,000 miles in the 2011 Subaru Legacy.

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