What is making the noise.

2008 HONDA CIVIC
75,000 MILES
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MXCNAMNER52
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  • 1 POST
After I turn the car on. I the turn my air on and hear a knocking noise in the engine bay on. 2008 Honda civic lx. It speeds up as I hit the gas and stops when I turn the air off. What is causi g the noise.
Jul 24, 2012 at 11:46 PM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
could be two things, the ac compressor failing or the condenser fan failing. let a shop listen to it for you to verify.

Roy
Jul 25, 2012 at 12:19 AM
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DJCL
  • ✓ASE Certified Mechanic
  • 767 POSTS
  • ASE Certified Mechanic
Try un pluging the fan and then the compressor to see whick is making the noise
Jul 25, 2012 at 12:21 AM
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