Sounds Like Trouble

Squeaks, squeals, rattles, rumbles and other sounds can provide valuable clues about problems and maintenance needs. Here are a number of the more common noises and what they may mean:

A shrill, sharp noise, usually related to engine speed.
Possible issue:
Loose or worn power steering, fan or air conditioning belt.
A slight sharp noise, related to either engine speed or vehicle speed.
Possible issue:
– Loose wheel cover.
– Loose or bent fan blade.
– Stuck valve lifter or low engine oil.
A high-pitched, piercing metallic sound, usually occurs while the vehicle is in motion.
Possible issue:
It is caused by brake wear indicators to alert the driver that brake maintenance is needed.
A random thumping sound.
Possible issue:
– Loose shock absorber or other suspension component.
– Loose exhaust pipe or muffler.
A rhythmic pounding sound
Possible issue:
– Worn crankshaft or connecting rod bearings.
– Loose transmission torque converter.
A high-pitched metallic tapping sound, related to engine speed.
Possible issue:
Usually caused by fuel with a lower octane rating than recommended. Check your owner’s manual for the proper octane rating. You may want to switch to a different gas octane or gas station. If the problem persists, engine ignition timing could be the culprit.