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Clicking noise under hood when A/C is on, can anyone help?

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Old 04-13-2006, 06:20 PM
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06ragtop
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Default Clicking noise under hood when A/C is on, can anyone help?

2006 v-6 with a manual 5 speed. I have an fairly loud clicking noise occuring every 15 to 20 seconds while driving (not while idling) coming from under the hood, but only when the ac is on. If it's just on vent, it doesn't happen, no matter what the fan speed.

Any ideas?
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Old 04-13-2006, 06:47 PM
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hoagart
 
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Default RE: Clicking noise under hood when A/C is on, can anyone help?

Ya I have it to. I beleive it is a realy for the A/C, just doing its thing
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Old 04-13-2006, 07:02 PM
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white05stang
 
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Default RE: Clicking noise under hood when A/C is on, can anyone help?

Yup , sounds like the compressor clutch cycling to me[sm=smiley20.gif]
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Old 04-13-2006, 07:45 PM
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beaustang
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Default RE: Clicking noise under hood when A/C is on, can anyone help?

Same here-don't think it's a prob. If anyone finds out different please post.
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Old 04-13-2006, 08:08 PM
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amystery2u
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Default RE: Clicking noise under hood when A/C is on, can anyone help?

Compressor cycling.
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Old 04-13-2006, 09:33 PM
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RedAlertlb
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Default RE: Clicking noise under hood when A/C is on, can anyone help?

yea i have it too...thats all it is
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Old 04-14-2006, 12:09 AM
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DragonPL
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Default RE: Clicking noise under hood when A/C is on, can anyone help?

yeah same here....it sounded like it was comming from the back though...but it happens to me too........
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Old 04-14-2006, 12:51 AM
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TNT1968
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Default RE: Clicking noise under hood when A/C is on, can anyone help?

If it does it when the A/C isn't on that means it is low on Freon and you would burn up the compressor if you let it go. When the A/C is on, that means it is doing its thing.
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Old 04-14-2006, 12:53 AM
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blackfoot
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Default RE: Clicking noise under hood when A/C is on, can anyone help?


ORIGINAL: TNT1968

If it does it when the A/C isn't on that means it is low on Freon and you would burn up the compressor if you let it go. When the A/C is on, that means it is doing its thing.
freon is outlawed its R134A now



yeah its the nature of the beast.. all cars with AC make this noise.. some are louder than others
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Old 04-14-2006, 12:56 AM
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TNT1968
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Default RE: Clicking noise under hood when A/C is on, can anyone help?

Some say they're getting a Coke when they're getting a soda no matter what flavor. I'm one of those people. BTW- I'm HVAC certified Universal.
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