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Noise From Instrument Cluster


redhawks2
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Yesterday while driving home in my '90 LS a new noise appeared from my dash. It sounds like it's coming from the instrument cluster area and moves up and down with car speed. Sounds like the regular purring of a cat...not very loud. The noise does not change in volume, only repetition. It definitely sounds like a mechanical, ratcheting type of noise. What the heck could this be? :blink:

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Yesterday while driving home in my '90 LS a new noise appeared from my dash. It sounds like it's coming from the instrument cluster area and moves up and down with car speed. Sounds like the regular purring of a cat...not very loud. The noise does not change in volume, only repetition. It definitely sounds like a mechanical, ratcheting type of noise. What the heck could this be? :blink:

I suspect it may be the speedometer cable check to see if it related to car speed or engine speed does it go away in park while changing engine speed?

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The noise could be from the mechanical odometer's little drive gear starting to fail. Mine started making a similar noise at about 120K although it continued to record the miles. I finally had it replaced at 125K since the noise sort of spoiled the silence. I always liked being able to hear my wrist watch ticking while driving - OK, my watch ticks pretty loudly! You might try using an auto stethoscope to zero in on the source of the noise - they cost only a few bucks at an auto parts store and are handy for figuring out noise sources in the engine compartment too.

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i some how don't think it is anything to do with the speedo since i m pretty sure you have a speed sensor not a steel cable to the dash

so there is no noise atributed to it

it is more than likely the heater control moving the servos in the dash to adjust the vents and temp as time goes on some get louder

turn off the car and change the temp dial in auto and notice if the sounds are the same

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