We all know, Colorado is Subaru country and this is especially true here in Colorado springs. The legendary symetrical AWD drivetrain, and Boxer engine are perfectly suited for Colorado Springs’ diverse terrain, from mountain trails to city commutes. Subarus are robust and built to last. However some older models they have an achilles heel, and if you’re on this page you probably know what it is…the head gaskets. If you drive a Subaru, understanding the warning signs and what a failing head gasket means for your vehicle is crucial for keeping it healthy and avoiding much costlier damage down the line.

At Phoenix Auto Repair, we get it – your Subaru is more than just a car; it’s your ticket to Colorado adventures. We specialize in diagnosing and expertly repairing Subaru head gasket issues, ensuring your beloved vehicle is ready for whatever the Pikes Peak region throws its way.

Why Do Subaru’s Head Gaskets fail?

Think of the head gasket as a vital seal. It sits right between your engine block and the cylinder heads, preventing engine coolant, oil, and combustion gases from mixing. It also keeps the compression sealed tight within your cylinders, which is essential for engine power.

Unfortunately, some Subaru engines, specifically the 2.5L EJ series found in many popular models from the late 1990s through the early 2010s, were fitted with head gaskets that were prone to breaking down. This was often due to the materials used, which could degrade over time and lead to leaks.

Common Subaru Models Affected

Good news: Subaru has largely addressed this issue in their newer vehicles (generally those built after 2012, with the introduction of the FB engine). However, if you drive an older model, keep an eye out. Frequent culprits include:

• Subaru Forester: 1998-2010
• Subaru Impreza: 1998-2011 (especially non-turbo 2.5L versions)
• Subaru Legacy: 1996-2009
• Subaru Outback: 1996-2009
• Subaru Baja: 2003-2006

Even if your Subaru isn’t on this list, knowing the symptoms is always a smart move.

When Do Subaru Head Gaskets Typically Fail?

We’re going to be straight with you, if you own the models listed above and your head gaskets haven’t been replaced it’s not a matter of if, but when your head gaskets are going to fail. Though the issue can present earlier or later, most owners with the susceptible 2.5L EJ series engines we usually see head gasket issues cropping up between 80,000 and 150,000 miles.

Several factors can influence this timeline:

• Driving Style: Constantly heavy loads, aggressive driving, or even lots of short trips can put extra strain on the engine.
• Maintenance Habits: Skipping coolant flushes or using the wrong type of coolant can speed up gasket degradation.

So pretty much every road condition here in Colorado Springs from the load that the winding mountain roads put on any engine to the start and stop traffic in the city.

Not all hope is lost!

Being proactive can save your vehicle and your wallet.

Even with this glarring issue, these model era are often revered by Subaru drivers everywhere and Colorado Springs is no exceptions. How could this be?

This isn’t just nostalgia; these vehicles feel great to drive and are practical for the unique conditions in the Colorado Springs area. Symmetrical all-wheel drive systems, offer unmatched traction and stability on our snowy roads and mountain passes. The Boxer engines, are praised for their low center of gravity, contributing to excellent handling, and unique feel. Furthermore, these models were known for their rugged construction and practical utility, making them ideal for outdoor adventures.

For many, the benefits far outweigh this single, albeit significant flaw, especially when that flaw has a reliable, long-term solution available.

Why Consider Proactive Replacement?

Given how common this issue is, many Subaru owners choose to have their head gaskets replaced before they fail. It might seem like an upfront cost, but here’s why it often makes excellent financial sense:

 Head gasket failure can lead to severe, irreversible engine damage. Continued overheating can easily warp cylinder heads, crack your engine block, and necessitate a complete engine rebuild or replacement – a far, far more expensive fix than addressing the gasket issue in time.

The Good News: Modern Head Gaskets Are Built to Last. 

Modern replacement gaskets, particularly the multi-layer steel (MLS) designs, are engineered with advanced materials and construction techniques. They are far more resistant to the thermal stresses and chemical degradation that plagued earlier versions. This means that once your Subaru’s head gaskets are expertly replaced by a reputable shop like Phoenix Auto Repair, you can drive with genuine confidence, knowing that this common issue is effectively resolved for the long haul. It’s why owners who get this repair done properly typically don’t face the same problem again.

If your Subaru is approaching or within the typical mileage range for these issues, a quick chat with Phoenix Auto Repair can help you figure out the best plan for your specific vehicle.

Is Your Subaru’s Head Gasket Failing? Look for These Signs

Catching head gasket problems early can save you a lot of grief and money. Watch out for these common symptoms:

• Engine Overheating: This is often the most dramatic sign. If your temperature gauge is constantly climbing, it could be a coolant leak from the gasket.
• White Smoke from the Exhaust: See persistent white smoke, especially if it smells sweet? That’s usually coolant burning in the combustion chamber.
• Milky or Frothy Oil: Pull your oil dipstick or check under the oil filler cap. If the oil looks milky or frothy, coolant is mixing with your engine oil – a very bad sign.
• Constant Coolant Loss: Are you always refilling your coolant reservoir but can’t find an external leak? It’s likely leaking internally through the gasket.
• Bubbles in the Radiator/Coolant Reservoir: With your engine running (and cool!), look for persistent bubbles in your radiator or overflow tank. This suggests exhaust gases are seeping into the cooling system.
• External Leaks: Sometimes, you’ll see visible oil or coolant leaks on the outside of the engine, particularly around the cylinder heads. Check for puddles under your car.
• Reduced Engine Performance: A failing head gasket can cause a loss of compression, leading to rough idling, misfires, decreased power, and poor fuel economy.
• Sweet Smell of Coolant: You might just catch the faint, sweet scent of coolant around your car, even without a visible leak.

Expert Subaru Head Gasket Repair in Colorado Springs at Phoenix Auto Repair

At Phoenix Auto Repair, our seasoned technicians truly know Subaru Boxer engines and the specific challenges their head gaskets present. We use advanced diagnostic tools to pinpoint the problem accurately and perform thorough, lasting repairs right here in Colorado Springs.

Our comprehensive head gasket repair service typically includes:

• In-Depth Diagnosis: We’ll confirm the head gasket failure has occured and check for any related damage.
• Engine Disassembly: Carefully removing the cylinder heads to access the gaskets.
• Cylinder Head Inspection & Machining: We’ll inspect the cylinder heads for any warping or damage. If needed, we’ll have them professionally machined to ensure a perfectly flat surface for the new gaskets.
• Installation of Upgraded Gaskets: We use high-quality, often multi-layer steel (MLS) gaskets, which are far more robust than the original composite ones and designed to prevent future problems.
• Replacement of Related Components: While the engine is open, it’s the ideal time to replace other critical wear items like the timing belt, water pump, and spark plugs, saving you future labor costs.
• System Flush & Refill: We thoroughly flush both the cooling and oil systems to remove any contaminants, then refill them with fresh, manufacturer-recommended fluids.
• Rigorous Testing: After the repair, your Subaru goes through comprehensive testing to make sure everything is functioning perfectly and reliably.

Buying a Used Subaru in Colorado Springs? Don’t Skip the Pre-Purchase Inspection!

Considering a used Subaru from the affected model years? You’re looking at a fantastic, capable vehicle, but it’s vital to be informed. This is where a pre-purchase inspection (PPI) becomes your best friend and a smart investment. A PPI performed by a qualified Subaru specialist like Phoenix Auto Repair can:

• Identify Existing Head Gasket Issues: Our technicians will thoroughly inspect the engine for the common signs of head gasket failure – coolant leaks, oil contamination, exhaust gas in the cooling system, and more. This can save you from buying a vehicle that needs immediate, costly repairs.
• Assess Previous Repairs: We can often tell if the head gaskets have already been replaced (and if the repair was done correctly with upgraded parts), providing crucial insight into the vehicle’s long-term reliability.
• Negotiating Power: If we find an active or impending head gasket issue, this information gives you significant leverage to negotiate a lower price or request that the seller address the repair before you buy.
• Overall Vehicle Health: Beyond the head gaskets, a PPI provides a comprehensive overview of the entire vehicle’s condition, from the transmission and brakes to the suspension and electronics. This ensures you’re making a well-informed decision and not inheriting other hidden problems.

For any Subaru shopper in Colorado Springs, a pre-purchase inspection for models known for head gasket concerns is not just a recommendation – it’s peace of mind. It’s a small upfront cost that can prevent a major financial headache down the road.

Don’t let a failing head gasket sideline your Subaru! Whether you’re seeing the warning signs or considering proactive maintenance, reach out to Phoenix Auto Repair today. Our team is ready to give your Subaru the expert care she deserves, ensuring it runs strong for all your future journeys.