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.
|
