Question about 2006 Chevrolet Colorado

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My 2006 Colorado A/C runs , starts to blow cold then blows hot , then starts to blow cold then hot..........., finally after the engine gets real warm it just stays hot . I checke the freon level and it is showing good

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Same problem on 2005 Colorado at work. A little research finds that this is a 'gas saving' system. It is designed to cycle often, resulting in less UP time on the compressor, which saves fuel.
HORRIBLE system!
We are going to refill the freon to exact specs and see how the gauges read.
Currently, when compressor is running, a nice cool temp is achieved. But while the compressor is off, the air gets a bit warm. it's 112 out today and this is unsatisfactory.
I found a forum which describes installing a resistor at a certain wire connection in the a/c module. This causes the clutch to engage for longer periods of time. apparently the only real fix at the moment.
I don't have that forum link with me.... so do a bit more research to find it.

Posted on Aug 04, 2009

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I would add freon to it and take a look at the compressor

Posted on Jul 27, 2009

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Posted on Jan 02, 2017

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