i am getting a knocking sound when i turn on the AC in my car

2005 NISSAN QUEST
95,000 MILES
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MPATEL1227
  • MEMBER
  • 1 POST
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.
May 6, 2012 at 10:43 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
You need to open it up and investigate to find out-could be an door actuator problem
May 6, 2012 at 10:55 AM
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FIXITMR
  • ✓Experienced Mechanic
  • 9,989 POSTS
could be HVAC vent motor.
May 6, 2012 at 11:07 AM
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