Chirping sound

Tiny
TIM VINCIK
  • MEMBER
  • 2003 CHRYSLER PT CRUISER
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 36,000 MILES
There is a chirping squeaking sound coming from the front and near the tire area on the passenger's side. The brakes were replace within the last six months so I know it is not brakes. What could this issue be?
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Friday, September 8th, 2017 AT 7:54 PM

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Tiny
STEVE W.
  • EXPERT
Actually it could be the brakes. The sound could be from the minute motion of the brake pads against the caliper or caliper support. The two parts rub together just enough that they squeak. Does the sound change if you apply the brakes?

The other item on that side that it could be is a bad bearing or drive belt. Does the sound change, speed up or go away if you rev the engine in neutral? How about if you switch the AC on/off? Does it get better/worse or not change if you turn the heater blower on high with the headlights on?

Do you need to be in motion or does the squeak still happen if you are setting still in park?
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Friday, September 8th, 2017 AT 10:28 PM
Tiny
TIM VINCIK
  • MEMBER
I hear the chirping only when I am driving. The faster I go the more you hear it but it does not always happen either. Can you explain more what this minute motion means?
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Saturday, September 9th, 2017 AT 7:17 AM
Tiny
TIM VINCIK
  • MEMBER
It is not the bearings cause I tested that when I was looking at the brakes.
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Saturday, September 9th, 2017 AT 7:18 AM
Tiny
STEVE W.
  • EXPERT
Minute amount of motion. IE: very tiny. Take your fingers and rub them together so they barely move. Steel on steel, that much motion can make it ring like a bell.
The brake pads and calipers are designed to float a bit so that they can move freely when you apply the brakes. They can rub together and squeak or chirp.
That is why I asked if it stops or changes if you apply the brakes.

Bearing wise I mean the bearings in an idle pulley or tension-er, steering pump or other belt drive item. But if you have to be moving then it likely is not this because these would make noise as long as the engine was running, even stopped at a light or in the driveway.
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Saturday, September 9th, 2017 AT 4:06 PM

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