Subaru Head Gasket Problems (Years and Models Affected) 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
Subaru Head Gasket Problems: Causes, Symptoms, and Solutions Discover the most common Subaru head gasket problems, including warning signs, causes, repair costs, and proven solutions Learn how to prevent costly engine damage and keep your Subaru running reliably
Subaru Head Gasket Woes: What Every Owner Needs to Know Heat cycles and Poor Maintenance Since Subaru engines are made of cast aluminum, they expand and contract as they heat up and cool down This movement can wear away the coating on the original multi-layer steel (MLS) gaskets or damage older composite-style gaskets
Subaru Head Gasket Problems: What Every Owner Should Know Subaru’s troubles began when they switched from multi-layer steel head gaskets to single-layer gaskets with a graphite coating on their 2 5-liter engines This decision, likely made for cost reasons, would prove problematic
Which Subaru Models Are Affected By The Head Gasket Problem? Not only can a head gasket fail because the engine overheats, but it can lead to other problems, too When the head gasket isn’t sealed as it should be, hot gases from the exhaust end up in the cooling system, or the coolant can leak into the cylinders
Subaru Head Gasket Woes: Fix, Replace, or Sell? A 2024 Guide A: With proper maintenance and using MLS gaskets, Subaru head gaskets can last well over 100,000 miles However, factors like improper maintenance, overheating, or using low-quality aftermarket parts can still contribute to premature failure
Subaru Engines with Head Gasket Problems: Causes and Facts Discover the causes, symptoms, and owner experiences of Subaru engines with head gasket problems, plus recall information Hidden engine problems and reliability issues most buyers discover too late
Subaru Head Gasket Problems: Signs Causes Why Its Blown If something goes wrong with the head gasket, this is usually referred to as the head gasket “perforating” or, if it’s completely gone, “blowing” Watch this video to see it explained in detail