What is chirping sound? 1999 civic

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Jan 1, 2011

qureeuss

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What is chirping sound? 1999 civic

When I start the car, you cannot hear it. But, as soon as the engine warms up, there is a rapid, high-pitched chirping sound that comes from the engine in front of the driver's seat. It sounds like birds chirping, and it gets louder after being driven a bit. Any ideas?

Jan 1, 2011

MindBomber

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Re: What is chirping sound? 1999 civic

Possibly valve chatter, make an video/sound clip and post it.

Jan 1, 2011

gearbox

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Re: What is chirping sound? 1999 civic

could also be belts that are worn or not the proper tension. if it changes pitch when turning, its PS belt. if it changes with a/c being on, then its ac belt. if it changes when pressing the gas, its timing belt/tensioner. you can also narrow it down by spraying belt dressing on each belt one at a time. if the noise changes when you spray, you found the problem belt.