98 C1500 A/C intermitent
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98 C1500 A/C intermitent
My 5.0L C1500 a/c works on the 2 highest blower settings at most driving speeds. When set on the two lower speeds the a/c will slowing shutdown. Placing the blower to a higher fan speed and/or turning the a/c control off/on after the shutdown has no effect. If I shut off the truck and restart it with the blower on high the a/c begins to work again. I'm wondering if this could be vacuum related.
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