Subaru Crosstrek Has A Burning Smell

Common Causes of Burning Smells in Your Subaru Crosstrek and How to Address Them Safely

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
35% chance it's the
Oil Leak
0%
23% chance it's the
Worn or Open Wiring
0%
10% chance it's the
Stuck Brake Caliper
0%
32% chance it's
Something else
The most common reasons a Subaru Crosstrek has a burning smell are an oil leak on to exhaust headers, short circuiting wiring, or a stuck brake caliper.
  • Oil Leak: A worn or damaged gasket, seal, or oil pan can lead to oil leaks, resulting in a loss of engine oil and potential engine damage.
  • Worn or Open Wiring: A worn or open wiring can cause intermittent electrical issues, leading to malfunctioning components or systems in the vehicle.
  • Stuck Brake Caliper: A stuck brake caliper can result from corrosion, debris, or a failing brake hose, leading to uneven braking and overheating of the brake components.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

Troubleshooting Burning Smell in a Subaru Crosstrek

When faced with a burning smell in your Subaru Crosstrek, it's essential to adopt a methodical diagnostic approach to identify the root cause. Start by inspecting the engine bay for any visible oil or fluid leaks, as these can often lead to burning odors when they come into contact with hot engine components. Next, check the condition of the serpentine belt; a slipping belt can create friction and generate a burning smell. If the smell persists, examine the brakes for any signs of sticking, which can produce heat and odor during operation. Additionally, ensure that the blower motor and electrical components are functioning correctly, as malfunctions here can also emit burning smells. If you notice any unusual sounds or performance issues, such as difficulty shifting gears, it may indicate more serious problems like a failing alternator or wheel bearing. Lastly, inspect the tires for any signs of rubbing against the vehicle's body or components, as this can also create a burning odor. By following this step-by-step approach, you can effectively narrow down the potential causes and address the issue before it escalates into a more significant problem.

What Could Cause a Burning Smell in a Subaru Crosstrek?

When you detect a burning smell in your Subaru Crosstrek, it’s crucial to investigate the source to avoid further damage or safety hazards. Common problems that may lead to this unpleasant odor include engine oil or coolant leaks, which can create a burning sensation when they come into contact with hot engine components. Additionally, a malfunctioning blower motor or resistor can cause overheating, resulting in a burning smell. A slipping serpentine belt may also produce a rubbery odor, while burning electrical components can indicate serious electrical issues. Sticking brakes can generate excessive heat, leading to a burning smell, and an overheating AC compressor may emit a similar odor. Other potential culprits include a failing alternator, worn wheel bearings, or even tires rubbing against the vehicle’s body. Lastly, foreign objects, such as plastic bags caught on the exhaust pipe, can also create a burning smell. By identifying these common problems, you can take the necessary steps to troubleshoot and resolve the issue, ensuring your Crosstrek remains safe and reliable on the road.

What Should You Do If Your Subaru Crosstrek Has a Burning Smell?

If your Subaru Crosstrek is emitting a burning smell, it’s crucial to act swiftly to prevent potential safety hazards and costly repairs. Ignoring this symptom can lead to severe consequences, such as engine damage or brake failure. Start by identifying the source of the smell; it could stem from various issues like an oil leak, a slipping serpentine belt, or even overheating components. For instance, a burnt oil smell may indicate a leak that, if left unaddressed, could lead to engine failure. Similarly, a burning rubber odor often points to a failing serpentine belt, which can snap and cause further damage to your vehicle. If you drive a manual transmission, be aware that a burning smell could signal clutch problems, which require immediate attention to avoid complete clutch failure. Additionally, a dirty heater core can emit a burning odor, necessitating cleaning or replacement. If you cannot pinpoint the issue or if the smell persists, consulting a qualified mechanic is essential for accurate diagnosis and repair. Regular maintenance is key to preventing these issues; routinely check for leaks and address any unusual odors promptly to keep your Crosstrek running smoothly and safely.

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