1999 silverado noise from dash
#1
1999 silverado noise from dash
I have a 99 silverado ext cab 5.3l. I have a noise coming from the dash near the defrost vents sound coming closer to the passenger side. It comes on as soon as I turn the key, the truck doesn't have to be running for the noise to be heard and it doesn't matter if the ac/heater is on/off. The noise does not go away if I turn it on, turn it off, turn on the ac, switch the selector to hot/cold, fan/ac/heater, change the speeds, change it so defrost/floor. Nothing makes the sound go away except turning the key to off. I reached under the dash and unplugged the actuator on the left/drivers side under ac and the noise was still there. I reached under the passenger/right side under the dash and unplugged that actuator and the noise was still there. Any help as to what is causing the noise? To me it sounds like the blend door making noise and its constant.
#3
IMPORTANT: if you hear "odd noises under dash", can't hear where, FIRST
make sure to check all lug-nuts on tires are properly torued and wheel is seated flat.
(loose lugs do cause mystery "under dash noise" and if left too long: you could have a tire fall off. it does happen - even good mechanics (lugs that were torue tested even) are know to infreuently have loose lugs on their hands for one or another reason)
make sure to check all lug-nuts on tires are properly torued and wheel is seated flat.
(loose lugs do cause mystery "under dash noise" and if left too long: you could have a tire fall off. it does happen - even good mechanics (lugs that were torue tested even) are know to infreuently have loose lugs on their hands for one or another reason)
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ccampbell928
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June 3rd, 2013 10:28 PM