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Old 08-07-2011, 05:57 PM   #1
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Dash air conditioning issue/Winnebago

Today we uncovered the MH and took it for a drive, used the generator, ran the A/C's. All was well except the dash air would run good and hard, then back off. We flipped the fan switch and it blew hard again. Over and over, does yours back off blowing from the dash? What could this be? It was very hot today but it should stay blowing hard on high.
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Old 08-07-2011, 06:28 PM   #2
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does the blower quit or does it go to blowing out of the defroster?
if blowing out of defroster and switches back to vents it is a vacuum leak .
if the blower quits ck for weak breaker,loose connection, worse case blower going bad. if a newer rig best to have hooked up to a diagnostic reader if none of the above seem to be the problem
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Old 08-07-2011, 06:31 PM   #3
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Quote:
Originally Posted by pwf16129 View Post
does the blower quit or does it go to blowing out of the defroster?
if blowing out of defroster and switches back to vents it is a vacuum leak .
if the blower quits ck for weak breaker,loose connection, worse case blower going bad. if a newer rig best to have hooked up to a diagnostic reader if none of the above seem to be the problem

I didn't check if it was blowing out of the defroster but we had the defroster fans blowing for extra air. Could that do it? It might have been the case though, it just had a different sound like it was blowing from someplace else. Good thought.
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