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Old 06-10-2020, 10:27 PM   #10
shortboxin
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Join Date: Jan 2019
Location: Mesa
Posts: 37
Re: A/C issues on 84 C10 with 5.3 LS

Quote:
Originally Posted by kglowacky View Post
a long shot. make sure your heater box is working properly, maybe your diverter that flips the blower air to the heater core tunnel is sending your ice cold air through the heater core. Instant heat rise. just a long shot thought
When I switch from HOT to COLD on my controls, the temp changes drastically. It may not be anywhere near a perfect seal, but it's getting the majority of the air through the evaporator.
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