dash air
Need some help on dash air in MH. It blows cold air when it works but is
making noise at same time. It's not a squeal or grind but a low growl
or moan that lasts a few seconds and it's intermittent, may be twice a minute or more. I'd hate to use it and break a belt. It only makes sound
with higher RPM's like driving and not at an idle. Sometimes I have to fiddle with selector switches to even get it to blow cold, that might be
associated with bad valve but noise is something else. Steve
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