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Re: Evaporator freeze up on FREIGHTLINER
Posted to HD/Fleet Forum on 6/8/2018

Did you clean the recirculation filter above the blower motor? It isn't much but they do plug up.

I have resorted to drilling 3 holes in the case ahead of the evaporator. I made a special wand that pushes air and water thru a small 1/4" ID tube to clean the ... Login to read more.