Every vehicle owner knows that keeping an ear out for unusual noises can prevent minor issues from escalating into costly repairs. In this month’s blog post, we cover five engine noises you should never ignore, what they might indicate, and how to address them.
Knocking or Pinging
- What It Sounds Like: A metallic knocking or pinging sound, often increasing with acceleration.
- Possible Problem: This noise is typically due to engine knocking, which can result from using the wrong fuel, carbon deposits, or a malfunctioning spark plug.
- How to Address It: Check your fuel type and ensure you are using the correct octane rating for your vehicle. If the problem persists, have a service professional inspect your spark plugs and fuel injectors.
Squealing
- What It Sounds Like: A high-pitched squealing noise, usually heard when starting the engine or accelerating.
- Possible Problem: This often indicates a worn or loose serpentine belt.
- How to Address It: Inspect the belt for signs of wear and tear. If it is loose or damaged, it needs to be replaced. Regularly check belts during maintenance to avoid this issue.
Tapping or Clicking
- What It Sounds Like: A tapping or clicking noise that may occur at idle or while driving.
- Possible Problem: This could be due to low oil levels or issues with the valve train.
- How to Address It: Check your oil levels and top up if necessary. If the noise continues, have the valve train and related components checked out.
Hissing
- What It Sounds Like: A continuous hissing sound, often heard after turning off the engine.
- Possible Problem: This noise may indicate a coolant or vacuum leak.
- How to Address It: Inspect the hoses and connections for leaks. If you find any, they should be replaced immediately to prevent engine overheating.
Grinding
- What It Sounds Like: A grinding noise when starting the car or shifting gears.
- Possible Problem: This could be due to issues with the starter motor or transmission.
- How to Address It: Have the starter motor or transmission inspected and repaired to avoid further damage.
The Importance of Addressing Engine Noises
Ignoring these noises can lead to severe engine damage and expensive repairs. Regular maintenance, such as oil changes, belt inspections, and keeping an eye on fluid levels, can help prevent these issues from arising. Always address unusual noises promptly to ensure your vehicle remains in top condition and to avoid unexpected breakdowns.
If you have any unusual engine noises that you want inspected, contact the service professionals at Campus Repair to schedule an appointment.