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Old 08-21-2016, 04:43 PM   #1
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Dash Air

We have a 2000 horizon class A.
Compressor is bad that works the dash air. We just got this and was wondering if the dash air is worth fixing. Does it cool enough to justify a new compressor.

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Old 08-21-2016, 04:50 PM   #2
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I just spent $1100 on new compressor, drier, etc. The roof A/C's would keep it close to being comfortable, but the dash A/C keeps the driver's area cooler.

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Old 08-24-2016, 07:32 AM   #3
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Besides cooling the dash air also is a dehumidifier which comes into play when using the defroster. Fix it.
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Old 08-24-2016, 07:51 AM   #4
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Currently working on getting my dash AC operating so I can control temps up front for my driving comfort. Pulling over to adjust roof A/C thermostat when sun angle changes is a pain and hoping that dash will cool enough when DW is riding up front that we won't generator sucking about 1 gl. propane per hour.
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Old 08-24-2016, 06:40 PM   #5
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I would fix it. I would also want to know if the shop knows what they are doing when diagnosing problems. Too often you see them throwing parts at an issue they are clueless about.

If the compressor is seized, then saying it's bad is a safe bet. Otherwise, I'd want to know more about how they arrived at that conclusion.
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Old 08-24-2016, 08:09 PM   #6
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I drove my last Class C without dash A/C for 15 years (it went out shortly after buying it, never bothered with the $$$ to fix it and actually ended up gutting it when I needed to work on the steering system and couldn't get sufficient access). I simply ran the generator and roof air when it was hot.

But...I just purchased my first Class A (with a working dash A/C), and I now realize that I should've fixed it (on the Class C) when it went out. Yes, the roof air helped, but only made the cab "bearable", not "comfortable", while driving across the desert in 120 degree heat. I just took my first trip with the new Class A, and it was REALLY nice having the cab area actually comfortable/cool while driving.

So my vote? Fix it; you may not be "glad" you did...but you WILL be "sorry" you didn't.
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Old 08-26-2016, 06:41 AM   #7
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Originally Posted by Thagan54 View Post
Does it cool enough to justify a new compressor. Thanks
Yes along with a receiver-dryer & expansion valve which is normally included in the quote. High likelihood of a hose end leak on a vehicle that old also.

2007 Monaco Signature Noble III 45' ISX 600HP
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dash, dash air

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