Nissan Murano Has A Burning Smell

Identifying the Causes of a Burning Smell in Your Nissan Murano and How to Address Them Safely

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Reviewed by
Bo Fader
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 Nissan Murano 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 Nissan Murano

When faced with a burning smell in your Nissan Murano, it's crucial to adopt a methodical diagnostic approach to identify the source of the issue. Start by checking the air conditioning system, as a malfunctioning compressor can emit a burning odor when activated. If the smell persists, inspect the heater core for debris buildup, which can also contribute to unpleasant odors. Next, examine the compressor for low refrigerant levels, as this can lead to overheating and a burning smell reminiscent of oil. Don’t forget to verify the fuel cap; a loose or damaged cap can create a gas smell that may be mistaken for burning. Lastly, consider the possibility of burning oil, especially if your engine has a history of oil consumption. By following these steps, you can effectively narrow down the potential causes of the burning smell and take appropriate action, ensuring the safety and performance of your vehicle. If the problem remains unresolved, seeking professional assistance is recommended to prevent further complications.

What Could Cause a Burning Smell in a Nissan Murano?

When you notice a burning smell in your Nissan Murano, it’s essential to identify the underlying cause to ensure your vehicle remains safe and functional. Common problems that could lead to this issue include fluid leaks, particularly oil or transmission fluid, which can drip onto hot engine components and create a burning odor. Additionally, a dirty heater core may trap debris, leading to unpleasant smells when the heater is in use. Engine oil leaks are another frequent culprit, especially if oil seeps onto the exhaust system. Electrical issues, such as overheating wires or short circuits, can also produce a burning smell reminiscent of melting plastic. For new vehicles, a burning smell might simply be part of the break-in process, typically resolving after a few hundred miles. Lastly, some models may emit a smell due to a coating on the brakes, which should dissipate after some driving. Addressing these issues promptly is crucial to prevent further damage and ensure your safety on the road.

What to Do When You Smell Burning in a Nissan Murano?

When you detect a burning smell in your Nissan Murano, it is crucial to act swiftly to avoid potential hazards and extensive damage. The first step is to identify the source of the smell, which could stem from various components such as the engine, brakes, or electrical systems. Inspecting for leaks is also vital, as fluids like engine oil or coolant can contribute to burning odors. Pay particular attention to the serpentine belt; a slipping or worn belt can produce a burning rubber smell, indicating it may need replacement. Additionally, examine the brake system for any sticking components that could be causing the odor. If your Murano has a manual transmission, be aware that a burning smell may signal clutch issues, necessitating immediate cessation of driving. Electrical problems can also emit a burning smell, which poses a significant fire risk, so it’s essential to have any suspected electrical issues evaluated by a professional. While new vehicles may emit temporary burning smells due to manufacturing residues, persistent odors should never be ignored. Promptly addressing these symptoms not only ensures your safety but also protects your vehicle from further damage, making it imperative to consult a qualified mechanic if the source remains unclear.

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