Noises problem
2008 Acura CL 6 cyl Front Wheel Drive Automatic 125000 miles
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There is a thumping noise coming from the glove compartment, it comes on when I start the car immediately, thumps, then goes away. I can usually stop it by turning on the A/C, but now it stops when it wants to, it will also ransomly start again on it's own. it comes and goes, Air and heater work just fine. What could this be?

without actually seeing the car, i would say that the recirculation control motor's linkage is binding. it's a flap behind your glove box that controls the fresh/recirculation mode of your air vent.
cycle the switch to confirm if that is the cause