Question about 2003 Chevrolet Astro

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Ac is blowing hot air front and back= chevy astro van 2003

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When you turn on ac look for front ac clucth to be turning. if it is feel the lines up to the cowl if they are cold 40 degrees or so theres probably enough charge with the year of that vehicle it maybe low on charge ac systems will usally hold for at least 5 years.

Posted on Sep 10, 2009

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1997 astro van blows only lukewarm air?


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My 2003 Chevy Astro van will not blow out hot or cold air, except when it feels like it. Someone had replaced the alternator and screwed up my heat and cooling for the van


try to tap on the blower motor with the switch in the on position the motor is located on the passenger side close to the firewall if it kicks on you need a new blower motor

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1 Answer

2000 chevy astro cargo van. the heat registers on the gage but little comes out and only out defrost. thermostat????


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3 Answers

I need a vacuum line schematic for a 2003 Chevy Astro Van. My AC only blows out of the defroster vents. I've replaced 2 lines so far but it has not fixed the problem yet.


Replace the complete heater control vacuum line over the motor with rubber vacuum tubing.
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I change 2 a week....this should be where your problem is.

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1 Answer

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It is located where the big hose comming out of your radiator connects to top of engine. Remove hose from engine your thermostat is undernieth

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2 Answers

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i suspect the vents are controlled by vacuum and are not opening due to a vacuum leak.

Robert

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2 Answers

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