ok so my heat and defrost work strong. blower is new as well. since last week ive tried all temps and speeds with windows up or down. and nothing will get rid of the frost. i added a pic for refence. it happens when i drive. all my windows look the same. i also tried turning off feature and moving it to feet only.
got a weird defrost issue
Discussion in 'Freightliner Forum' started by 4noReason, Jan 29, 2020.
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Do you have air coming out of the defrost vents?
If so I’d say you’re low on Freon or the windshield is leaking.Crude Truckin' Thanks this. -
Plugged cab air filter?
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Is your AC button on?
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4noReason Thanks this.
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Pop the hood and make sure the ac compressor kicks in.
If you have a fresh/recirculate button make sure it’s on fresh.mitrucker Thanks this. -
In a Cascadia, ac should come on when it's on defrost, and the snowflake will illuminate on the control knob.
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