Sounds Like Trouble
Squeaks, squeals, rattles, rumbles, and other sounds provide valuable clues about problems and maintenance needs.
Here are some common noises and what they mean:
Squeal - A shrill, sharp noise, usually related to engine speed:
- Loose or worn power steering, fan or air conditioning belt.
Click - A slight sharp noise, related to either engine speed or vehicle speed:
- Loose wheel cover.
- Loose or bent fan blade.
- Stuck valve lifter or low engine oil.
Screech - A high-pitched, piercing metallic sound; usually occurs while the vehicle is in motion:
- Caused by brake wear indicators to let you know it’s time for maintenance.
Rumble - a low-pitched rhythmic sound.
- Defective exhaust pipe, converter or muffler.
- Worn universal joint or other drive-line component.
Ping - A high-pitched metallic tapping sound, related to engine speed:
- Usually caused by using gas with a lower octane rating than recommended.
Check your owner’s manual for the proper octane rating.
If the problem persists, engine ignition timing could be at fault.
Heavy Knock - A rhythmic pounding sound:
- Worn crankshaft or connecting rod bearings.
- Loose transmission torque converter.
Clunk - A random thumping sound:
- Loose shock absorber or other suspension component.
- Loose exhaust pipe or muffler.
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