Common Signs Your Car Exhaust May Need Replacing
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Your car’s exhaust system works hard every day, but like any component exposed to heat, moisture and road salt, it won’t last forever. Spotting the early signs of a failing exhaust system can help you avoid expensive repairs, reduced performance and potential MOT failures.
Loud Rumble or Roaring Noise
A sudden increase in exhaust noise — especially a deep rumble or roar when accelerating — is one of the most common signs of an exhaust leak or damaged rear silencer.
Hissing or Ticking Sounds
A hissing or ticking noise from the engine bay can indicate a leaking manifold gasket or a crack near the front of the exhaust system.
Rust, Corrosion or Visible Holes
UK weather conditions can accelerate exhaust corrosion. Rust spots, flaking metal or visible holes underneath the car are strong signs that your exhaust may need repair or replacement.
Rattling or Vibrations
Loose heat shields, damaged exhaust mounts or internal silencer failure can cause metallic rattling noises or vibrations while driving.
Exhaust Fumes or Rotten Egg Smell
A strong smell of exhaust fumes inside the vehicle could indicate a potentially dangerous exhaust leak. In some cases, a rotten egg smell may point to catalytic converter issues.
Reduced Fuel Efficiency
A damaged exhaust system can affect engine performance and fuel economy, meaning more trips to the petrol station.
Ignoring exhaust problems can lead to larger repair bills and potential safety risks. Don’t ignore the warnings - a small fix now can prevent a big repair bill later.
With basic care, a quality aluminised exhaust from Schafer Automotive will give you years of reliable service.
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