Dash AC Fixed
- My (454 p-30 Itasca) dash ac quit putting out cold air at the end of
last summer. Strange thing was that it would put out very cold air
but only for about 5 minutes after starting the cold engine, then
turn warm, and should have been a dead giveaway as to what the
problem mite be.
W/ bubbles in the sight glass, I added a can of Dura-cool, which
didn't change anything. Then I bought some inexpensive guages only
to find out that everything seemed to be quite normal. I checked
everything else (or so I thought)and thinking that there has never
been an ac that I couldn't make work one way or another, I still
just gave up on it for the winter.
But a couple months ago, the problem came back to mind, w/ an
upcoming trip in mind also, so I had to get serious about fixing the
ac. When all else failed, (against my pride and better judgement) I
called a friend, who is a genuine ac tech (and hates working on old
motorhomes) and explained the problem in detail, and w/o hesitation,
his first words were "Turn the dam heater off!"
Needless to say, I kicked myself all the way uptown to the auto
parts to buy a new replacement for the defective vacumn operated
heater valve that was not shutting off.
(I usually don't tell stuff like this, but hope it mite help someone
else one day) :) :)