Air Conditioner return Duct
I am having a problem with the rear AC not performing as it shouldI have read many posts abut rear air conditioner problems and some regarding collapsed return ducts. I have a 2014 3402RL Montana. The return duct is in fact collapsed to about 38th inch. I have tried fixes to prop it open. Since the ceiling and roof is curved I have found nothing flexible enough to span the duct. i also don't want to block air in the process. Worried also about damaging the duct. Tried pvc pipe, golf balls to no avail. Any ideas? Maybe i need to cut a new vent hole in the center below the AC? Increased noise? Or could replace existing return air intake vent covers with larger ones? I have an extend warranty but hate to deal with the dealer who would charge for evaluation and tell me it is performing as designed. It is not!
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