Why is it making a clicking noise when the turn signal is disengaged?

2000 CHEVROLET BLAZER
170,000 MILES
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RUGGERNW
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I have a 2000 S10 Blazer/170,000 miles. Was recently in the shop (about 3 weeks ago) for oil change and inspection, mechanic did not notice any new problems except that the fuel filter will need replaced sometime within the next year. However, last weekend when I was driving I noticed that whenever I used my turn signal and then put it back to center, the clicking noise continued intermittently while I was driving. It was not very loud, but definitely noticeable. And then today, as well as the intermittent clicking sound when the turn signal was not engaged, I also noticed a faint humming or vibrating sound, though the car does not seem to be driving any differently (no difficulty with steering, acceleration, braking, etc). Suggestions on what might be causing this?
Jan 25, 2012 at 5:16 AM
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RIVERMIKERAT
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Can you ID where the sound is coming from?
Jan 25, 2012 at 6:19 AM
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RUGGERNW
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It sounds like it is coming near/below the glove box on the front passenger's side.
Jan 25, 2012 at 2:08 PM
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RIVERMIKERAT
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Do you have the heater or AC going when you hear this? If so, suspect a leaf or twig in the airbox. You'll need to remove the blower motor to clear it.
Jan 25, 2012 at 6:25 PM
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RUGGERNW
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Is it ok to drive until it can be fixed or will it potentially cause damage doing so?
Jan 26, 2012 at 3:18 AM
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RIVERMIKERAT
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I don't see a problem with it. I'm guessing you do have the AC or heater going when you hear it. The blower motor is usually no more than 5 screws to remove.
Jan 26, 2012 at 3:52 AM
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