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It is making the same noses it did with the two prior compressors, the mechanic says there is nothing left to change that rotates. The sound is directly proportional to the engine rpm. As you rev the engine the noise increases, and decreases as the rpm's slow down. When the system cycles off the noise stops immediately. It's as if someone had a piece of hard plastic hitting the fan blades, but we checked the fan shrouding and nothing is touching anything. All pressures are correct and it actually cools fine, it's just the noise makes you think something is coming apart. Could it be possible there have been faults with both of the last two compressors?
I'm sure with the wealth of knowledge in the group someone has experienced the same problem. Thanks to all, we have a race weekend at VIR in July where the temps run over 100 degrees ambient. The roof unit is only a couple of years old but is hopelessly inadequate. I can't believe Winnebago chose such a
wimpy unit..........but that's another issue.
Kind regards to all,
Folis
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