I AM GETTING A KNOCKING SOUND WHEN I TURN ON THE AC IN MY CAR

2005 Nissan Quest

Tiny

mpatel1227

May, 6, 2012 AT 5:43 PM

When I turn on the AC I get the knocking sound behing the center console. I stays on for about 2 minutes and goes away and comes back randomly. It is a constant knocking sound it never increases the knocking pattern when I accelerate. It even comes when I the shift is in parking.

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2 Answers

Tiny

rasmataz

May, 6, 2012 AT 5:55 PM

You need to open it up and investigate to find out-could be an door actuator problem

Tiny

fixitmr

May, 6, 2012 AT 6:07 PM

Could be HVAC vent motor.

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