Loud Pop in the dash when outside temperature is cool.
10-24-2006, 03:40 PM
#11
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It is the defrost/vent diverter flapper. If it closes too far it will jam in the duct and make a loud pop when it pulls loose. It is controlled by a long rod that goes up over the center hump by the gas pedal. I shortened it slightly (is adjustable) and it stopped popping.
Can test by going to DEFROST , wait a few seconds, and then back to VENT and it should pop again.
Can test by going to DEFROST , wait a few seconds, and then back to VENT and it should pop again.
10-24-2006, 10:40 PM
#12
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This pop you hear. Is it the same pop that sounds like a bunch of coins being dropped in a plastic bin? It almost sounds like chattering, or somehting like that.
Is it caused by that rod, under the gas pedal? Hmm, I should take a look tommorrow.
Is it caused by that rod, under the gas pedal? Hmm, I should take a look tommorrow.
11-25-2006, 04:08 PM
#14
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I noticed on a cool morning one day that if I started the car with the defroster instead of the heater on, there is no popping noise.
12-19-2006, 02:27 PM
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Hmm thats interesting- mine has been doing this for a while now- only when its really cold out tho. So adjusting the rod will releive the problem?
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