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Old 05-28-2014, 09:51 AM   #11
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Another thing is that running your genset uses ~1/2 GPH...that's pretty cheap considering you can fire up all your AC units in 100* weather while microwaving lunch, etc.
Amen to that brother. I didn't buy a coach just to cook my brains sitting in hot coach under the blazing sun.

The very best thing you can do to prolong the life of a generator other than normal maintenance, is to run it. And so I run it.

If we are camping and it's 100 outside, you'll find me in the coach with the ACs running (68 degrees inside), the lunch heating up in the micro and a good game or movie on the HD TV. Yup!

Gary
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Old 06-06-2014, 09:16 AM   #12
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It was the compressor. It was bad. It is a Sanden compressor. The best we can get out of it is 50 degrees . Not bad for a motorhome.
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Old 04-24-2015, 02:17 PM   #13
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We are experiencing the same problem with our 2011 Coachman Mirada. We checked paperwork from previous owner and had a problem and the compressor was replaced. Ours is in the shop now for AC not cooling. We were told Coachman did not leave enough room for air to circulate, causing compressor to lose coolant, eventually causing compressor to go bad. Their solution is to put a fan in to cool the compressor, at our cost, even though we have a lifetime warranty. Anyone have any comment on this fix?
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Old 04-24-2015, 04:05 PM   #14
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We are experiencing the same problem with our 2011 Coachman Mirada. We checked paperwork from previous owner and had a problem and the compressor was replaced. Ours is in the shop now for AC not cooling. We were told Coachman did not leave enough room for air to circulate, causing compressor to lose coolant, eventually causing compressor to go bad. Their solution is to put a fan in to cool the compressor, at our cost, even though we have a lifetime warranty. Anyone have any comment on this fix?
That sounds like hooey to me. I can't imagine how air circulation could create a freon loss.
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Old 04-26-2015, 07:15 AM   #15
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The air compressor, condenser and hoses between the two are supplied and mounted by Ford on the incomplete chassis. The evaporator and controls are supplied by Forest River. They also charge the system. If there is not enough air flow for the compressor it is Ford's fault. Forest River or Coachmen has to pass a approval review to be certified by Ford. The worst thing for the AC system and all systems is the lack of use they get.
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Old 04-27-2015, 03:58 PM   #16
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My dash air went out last year in Las Vegas while 107 degrees. Both roof airs running can only drop the temp by about 20 degrees. Anyway, I also have a 2011 Mirada that I bought new in 2010. I also had an A/C problem. I brought it to the Ford dealership and they fixed it for me. They replaced the compressor. Sounds pretty common.
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Old 04-28-2015, 07:11 AM   #17
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loose fittings cause freon loss, a high head pressure caused by lack of circulated air over the coils could cause a leek in a weak or loose connection, or cause a compressor fail
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Old 04-28-2015, 08:05 AM   #18
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Originally Posted by Beatrice S View Post
We are experiencing the same problem with our 2011 Coachman Mirada. We checked paperwork from previous owner and had a problem and the compressor was replaced. Ours is in the shop now for AC not cooling. We were told Coachman did not leave enough room for air to circulate, causing compressor to lose coolant, eventually causing compressor to go bad. Their solution is to put a fan in to cool the compressor, at our cost, even though we have a lifetime warranty. Anyone have any comment on this fix?
We're ready for our 3rd. I added a can of R134 twice last year, already have 1 for this year.
You can buy install kits at all auto supply, WalMart, etc.

If we (ALL ford mh owners) would run the ac once a week the seals wouldn't leak.
Check this thread on the Georgetown subforum.

Ford Engine AC Compressor
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Old 04-28-2015, 07:09 PM   #19
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loose fittings cause freon loss, a high head pressure caused by lack of circulated air over the coils could cause a leek in a weak or loose connection, or cause a compressor fail
OK, Indirect causal factors make sense. So lack of air flow can cause compressor failure. I like the electric fan solution. And maybe one for the genset too?
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Old 05-14-2015, 11:59 PM   #20
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My 2013 Mirada which I bought new, lost dash a/c cooling after 18 months, it was missing a viton seal (o-ring) in one of the hoses to the dash evaporator, which Coachmen had installed. Nice cooling now.

Like others said, my rig is next to my house, I "try" to remember to start the engine, run all A/C's and the generator and move it a few feet to keep the tires round every week or two.
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