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Power Strokes
7.3 Tech
Vacuum issue?
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[QUOTE="dadada, post: 1501382, member: 11122"] Had a problem back in the summer with the a/c blowing out of my defrost only. So I replaced the vacuum pump and the vacuum relay/switch next to it. Now when I start my truck it will blow out of the defrost for 3-5 seconds then switch to the vent, any ideas? [/QUOTE]
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