Noise from Air conditioning system

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Old 06-14-2001, 08:42 PM
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Post Noise from Air conditioning system

New to the board. Purchased a 2002 TLS 2 months ago. I am very happy except for a noise from the air conditioning system. It seems to pulse about every 40 seconds to 1 minute with a 3-4 second whooshing sound. I have never had this in any other car. Someone told me it is normal. The dealer also thinks so It is more of an annoyance than anything.
Can anyone help? Thanks.

RJ
Old 06-14-2001, 08:56 PM
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Originally posted by rj:
New to the board. Purchased a 2002 TLS 2 months ago. I am very happy except for a noise from the air conditioning system. It seems to pulse about every 40 seconds to 1 minute with a 3-4 second whooshing sound. I have never had this in any other car. Someone told me it is normal. The dealer also thinks so It is more of an annoyance than anything.
Can anyone help? Thanks.

RJ
Yup, it's normal. It's the A/C compressor kicking in.
Old 06-14-2001, 09:05 PM
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Originally posted by daverman:
Yup, it's normal. It's the A/C compressor kicking in.
I agree...
Old 06-14-2001, 09:54 PM
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Every car has A/C compressor.....
Old 06-14-2001, 11:59 PM
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Originally posted by rj:
New to the board. Purchased a 2002 TLS 2 months ago. I am very happy except for a noise from the air conditioning system. It seems to pulse about every 40 seconds to 1 minute with a 3-4 second whooshing sound. I have never had this in any other car. Someone told me it is normal. The dealer also thinks so It is more of an annoyance than anything.
Can anyone help? Thanks.

RJ
Its the expansion valve on the evaporator coil. As the temperature drops across the coil the expansion valve meters the refrigerant flow, and will make that sound as its restricting the flow. This is perfectly normal.
Old 06-15-2001, 12:00 AM
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Yeah mine makes a funny noise when i put it full blast I think it's the fan. got to go get it checked out

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silver 99 TL
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