A/C Compressor/fan cycling off and on..

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08-22-2010, 04:25 AM

HiPakeMan

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Join Date: Jan 2010

Posts: 6

A/C Compressor/fan cycling off and on..

I have a 2005 xB and when my A/C is running, I notice that the fan/compressor keeps cycling off and on every 20-30 seconds or so.

Is this normal?

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Last edited by MR_LUV; 05-04-2021 at 04:13 AM. Reason: Awarded 10 Yr Badge

08-22-2010, 05:24 PM

emptystreets130

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Location: Carrollton, TX

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it's a little out there. it should cycle somewhere in range of 10-20 seconds but it largely depends on the outside temp. I believe your system is fine. You can double check
with a gauge and see if the low side pressure reading is around 29-34psi. anything higher (>40psi) is too much and results in the A/C system blowing warm air instead.

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Last edited by MR_LUV; 05-04-2021 at 04:14 AM. Reason: Awarded 10 Yr Badge

08-22-2010, 07:18 PM

HiPakeMan

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Join Date: Jan 2010

Posts: 6

Quote:

Originally Posted by emptystreets130

it's a little out there. it should cycle somewhere in range of 10-20 seconds but it largely depends on the outside temp. I beleive your system is fine. You can double check with a gauge and see if the low side pressure reading is around 29-34psi. anything higher (>40psi) is too much and results in the A/C system blowing warm air instead.

So it should cycle quite frequently.

The A/C blows nice and cold but I'll check the low side and see what it reads.

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Last edited by MR_LUV; 05-04-2021 at 04:15 AM. Reason: Awarded 10 Yr Badge