Why Do Subaru Head Gaskets Fail?

Which Subaru engines to avoid?

Subaru 2.5-L Turbo Four Cylinder 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 repairs..

What year Subaru have head gasket problems?

The breakdown of the affected models are the Subaru Forester from 1999-2010, Impreza from 1999 to 2011, Outback from 2000-2011, Legacy from 2000-2009, and Baja from 2003-2005. The wide range of Subaru head gasket problems means that numerous models have engine issues.

At what mileage do Subaru head gaskets fail?

The original head gaskets on a Subaru 2.5 engine tend to fail between 100,000 and 150,000 miles. Most replacement gaskets last just as long.

How much does it cost to replace a head gasket on a Subaru?

This does depend on the year and engine type of your Subaru. The average base head gasket job for a 2.5-liter engine is $1,500 to $1,800 that’s including Parts & Labor. Adding additional items such as Timing Belt & Components, Water Pump, Spark Plugs & Oil Seals, etc runs in the range of $2,200 to $2700.

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.

How do I know if my Subaru head gasket is bad?

Signs and symptoms of engine head gasket failure include:Engine overheating.Unexplained loss of engine coolant without an obvious sign of leakage.Coolant with an odor of engine exhaust or oil.Discolored coolant in the coolant recovery container (sooty of black color)

Can you replace Subaru head gasket without removing engine?

It is possible to do the head gaskets without removing the engine. … I replaced a head in one without removing the engine, but I have since done head gaskets on over 30 1996–2007 Subaru’s and have pulled the engine on each one. It just gives you more room to clean, torque, and do a quality job.

What are common problems with Subarus?

The Most Common Subaru ProblemsProblems with Air Conditioning O-Rings. One common problem facing the owners of is the problem of the vehicle’s air conditioning working properly. … Problems with the Inner Joint Boots. … Problems with the Head Gaskets. … Problems with Front Suspension. … Collins Automotive.

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.

Do newer Subarus have head gasket 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.

How do I stop my Subaru head gasket from failing?

Tips on how to avoid or decrease the chance of failure are as follows.Change the engine oil on a regular basis. … Don’t let your Subaru’s battery become a hazardous waste area. … Change your Subaru’s coolant on a regular basis. … Know what is being used in your Subaru. … This is a biggie, and the most overlooked.

What causes head gaskets to fail?

Blown head gasket causes Your car’s engine operates in extreme conditions with intense heat. If this heat becomes more than normal, your engine can overheat causing a blown head gasket. The extra heat results in the cylinder head and engine block expanding too much which results in a failure in the head gasket.