Ratting sound when engines idles and a/c compressor kicks on.

2004 DODGE STRATUS
87,000 MILES
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RICK S.
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  • 3 POSTS
When the engine is idling and a/c compressor kicks on it starts to have a rattling sound. It sounds like it may be in the transmission,b ut I'm not sure. When I accelerate the engine alittle it stops.
Dec 28, 2011 at 12:55 AM
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CARADIODOC
  • ✓ASE Certified Mechanic
  • 34,321 POSTS
  • ASE Certified Mechanic
If the noise is only there with the AC or defroster on, suspect the AC compressor clutch. If it's the made-in-Japan Nippendenso unit, there has been a lot of clutch trouble with them. Have a new clutch installed, not a used one from a salvage yard because it will develop the same problem.
Dec 28, 2011 at 1:04 AM
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