Are Subarus bad for head gaskets?
Subarus are generally known for their reliability, but the brand has faced some issues with head gasket failures, particularly in certain models and engine configurations. While head gasket problems are not unique to Subarus, the company has had to address this concern in the past. Let's take a closer look at the Subaru head gasket issue and what it means for owners.
What is a Head Gasket?
The head gasket is a critical component in an internal combustion engine. It sits between the engine block and the cylinder head, creating a seal that prevents coolant and oil from leaking into the combustion chambers. A failed head gasket can lead to a range of problems, including overheating, loss of power, and even engine failure if left unaddressed.
Subaru's Head Gasket Issues
Subaru has faced recurring issues with head gasket failures, particularly in their models equipped with the EJ-series boxer engines, which were used in many Subaru vehicles from the 1990s through the 2000s. The head gasket problems were most prevalent in the 2.5-liter EJ25 engines found in the Outback, Legacy, and Forester models.
The head gasket issues were caused by a combination of factors, including the design of the EJ-series engines, the materials used, and the operating conditions of the engines. Subaru has since made improvements to the head gasket design and materials, but some older models may still be susceptible to this problem.
Addressing Head Gasket Issues
- Regular maintenance and monitoring of the cooling system is crucial to prevent head gasket failures. This includes checking for any signs of coolant leaks or overheating.
- If a head gasket failure is suspected, it's important to have the vehicle inspected by a qualified mechanic as soon as possible to avoid further damage to the engine.
- Subaru has extended the warranty on head gaskets for certain models and engine configurations to address this issue, so owners should check with their local Subaru dealer for any applicable warranty coverage.
While Subaru has faced some challenges with head gasket failures, the company has taken steps to address the problem and improve the reliability of its vehicles. With proper maintenance and attention to any potential issues, Subaru owners can still enjoy the brand's renowned all-wheel-drive performance and reliability.
Can you prevent Subaru head gasket failure?
Regular Fluid Inspections: Routinely check your Subaru's fluids, including engine oil and coolant. Look for any signs of contamination, such as milky or foamy oil or discolored coolant. Detecting these issues early can prevent head gasket problems.
When did Subaru start having head gasket problems?
The main problem years are 1996 through 2004. 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.
What is the lifespan of a Subaru engine?
200,000 miles
Engine Lifespan: Subaru engines are known for their durability and longevity, with many drivers reporting engines that last well beyond 200,000 miles with proper maintenance. The key to extending the lifespan of your Subaru engine is regular maintenance, including oil changes, fluid checks, and tune-ups.
Which Subaru models have head gasket problems?
Subaru head gasket problems have occured in the Forester, Impreza, Outback, Legacy, and Baja in 2005. By 2011, the Subaru Impreza was the only model that experienced head gasket problems. The Subaru Outback was re-designed in 2012, and the new motor has fixed all of the leaking issues.
How long do head gaskets last on subarus?
around 100,000 miles
The head gaskets on your Subaru will typically last around 100,000 miles, depending on the year and model you own.
What is the biggest issue with Subaru?
Most common Subaru problems
- Fuel pump failure.
- O2 sensor problems.
- Blown head gaskets.
- Oil leaks.
- Battery draining rapidly.
- Unintended acceleration.
- Cracked windshields.
- Subaru Starlink problems.
How much does it cost to replace a head gasket on a Subaru?
$1200 to $2500
The exact cost can vary depending on several factors, including your location, the model and year of your Subaru, and whether you opt for dealership or independent repairs. On average, expect to pay anywhere from $1200 to $2500 for a head gasket replacement in a Subaru. This amount includes both parts and labor.
At what mileage do head gaskets go bad?
200,000 miles
A head gasket creates a seal between the engine block and head. A head gasket can last as much as 200,000 miles.
What years did Subaru have a bad engine?
What Years Did Subaru Engines Have Issues?
- 2019. The 2019 Subaru boxer engine was at the root of a 2020 recall that involved more than 188,000 cars.
- 2012-2014. The 2012, 2013, and 2014 model years of the Subaru Impreza, Crosstrek, and BRZ coupe all had a known issue with the engine's valve springs.
- 1996-2005.
What is the biggest problem with Subaru engines?
One of the most notorious issues plaguing Subaru vehicles is head gasket leaks, particularly in older models with the EJ series engines. These leaks can lead to coolant loss, overheating, and potential engine damage if left untreated.
