Question about 1998 Chevrolet C1500

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I turn the ac switch on but nothing happens do i need a new switch

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By "nothing," do you mean the blower fan doesn't come on, or do you mean the air already coming through the vents does not get cold?

If the blower is not coming on, there could be a multitude of reasons.

If the air is blowing but not getting cold, you likely have a leak in your a/c system which has allowed refrigerant to escape. When enough refrigerant has escaped that the system would be damaged if it turned on, a safety switch kicks in, disenabling the a/c compressor clutch. No clack, no noise, no cold air. The only way to fix this is to either recharge the system (iffy) or have a mechanic temporarily recharge the system and then check it with a leak finder and repair the leak before evacuating and recharging the system for your use.

Posted on Nov 17, 2009

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Check freon pressure. if freon is low, pump wont even kick on. It can appear electrical.

Posted on Nov 17, 2009

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