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Old 08-18-2006, 08:07 AM   #1
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Don't want to beat this into the ground but I was wondering what could now be wrong with my dash air.

I have a 04 Mountain Aire, 9,200 miles.
A/C would freeze your hands, but last year while on a trip it suddenly quit cooling as I was driving. Would only blow HOT air.

Took it to WCC dealer and they charged the system and said some relay was installed backward.( Seems to me if a relay was in backward it wouldn't work at all.)
As I headed home it worked fine for about 30 miles and quit again.

I returned to the dealer again and all they did was recharge the system.

So I decided to try another WCC dealer. I left it with them for 3 days and they said there was a wire on the compressor that was bad. Seemed to be ok when I left.

This year I have checked the temperature of the air at the vent and it's 70 degrees at start up and will only get to 65 degrees after 50 miles of highway driving. My car a/c at vent is 40-45 degrees.

Questions:
What should I expect the temperature to be at my vents?

Also if the condenser was not installed correctly by the MFG and doesn't get good air flow as I have read on other sites, then why did my unit work fine for about 2 years and now won't?

And finally what is this "Crystal Cool" and what does it cost?

Steve
2004 Mountain Aire
2005 Honda CRV..Toad
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Old 08-18-2006, 08:07 AM   #2
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Don't want to beat this into the ground but I was wondering what could now be wrong with my dash air.

I have a 04 Mountain Aire, 9,200 miles.
A/C would freeze your hands, but last year while on a trip it suddenly quit cooling as I was driving. Would only blow HOT air.

Took it to WCC dealer and they charged the system and said some relay was installed backward.( Seems to me if a relay was in backward it wouldn't work at all.)
As I headed home it worked fine for about 30 miles and quit again.

I returned to the dealer again and all they did was recharge the system.

So I decided to try another WCC dealer. I left it with them for 3 days and they said there was a wire on the compressor that was bad. Seemed to be ok when I left.

This year I have checked the temperature of the air at the vent and it's 70 degrees at start up and will only get to 65 degrees after 50 miles of highway driving. My car a/c at vent is 40-45 degrees.

Questions:
What should I expect the temperature to be at my vents?

Also if the condenser was not installed correctly by the MFG and doesn't get good air flow as I have read on other sites, then why did my unit work fine for about 2 years and now won't?

And finally what is this "Crystal Cool" and what does it cost?

Steve
2004 Mountain Aire
2005 Honda CRV..Toad
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Old 08-18-2006, 08:18 AM   #3
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Don't get me started...yours works exactly the same way with the same temperatures as my 2001. But every other vehicle I've owned and do own works as expected.
According to all "experts" there's nothing wrong and we should tuck our tail between our legs and go away.
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Old 08-18-2006, 08:19 AM   #4
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My dash air was repaired and recharged last year by Workhorse. It had a small leak at the fitting on the receiver dryer. Going down the road it will hold at about 46 deg. At an idle I'd be lucky to hold 55 deg. The Crystall Air sells for about $1500 not counting install. I think that a lot of owners including myself think it is installed to close to radiator and not enough airflow.
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Old 08-18-2006, 04:07 PM   #5
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According to the Workhorse Chassis Guide the two electric fans are controlled by the PCM and are suppose to come on when you turn your air conditioner on or when engine temp. gets above 221 deg. If I start mine up cold and start the air conditioning at the same time the fans do not start. They will after its been idling for a short time, but I thought it was an either or situation. Am I wrong???
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Old 08-18-2006, 04:42 PM   #6
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by Skat100:
And finally what is this "Crystal Cool" and what does it cost? </div></BLOCKQUOTE>The Crystal Cool is an after market Workhorse Parts product that I am currently evaluating.

I'm not going to take a blind faith leap with this peripheral and lead you all down a primrose path but I do have the system installed however I am not ready to release my opinion at this time.

The Crystal Cool has a second condenser that is installed horizontally under the radiator, it has a new compressor, fan belt, 2 additional fans, computer, high pressure hoses and wiring harness and a few other specialty parts.

One feature of the CC is you can monitor the performance of the unit on your laptop by means of a serial cable that is connected to the CC computer. In hyper terminal the laptop will give you real time streaming data about the A/C system as it is operating.
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Old 08-18-2006, 04:46 PM   #7
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by Stubborn:
They will after its been idling for a short time, but I thought it was an either or situation. </div></BLOCKQUOTE>The fans will come on when needed. If they went on when the A/C was on they would never shut down. The fans cycle on and off and there's no need to have them continuously running. On startup the fans will briefly spin up but they will shut down in a brief period of time.
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Old 08-18-2006, 04:48 PM   #8
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by abarkl:
According to all "experts" there's nothing wrong and we should tuck our tail between our legs and go away. </div></BLOCKQUOTE>If you continue to have performance issues with your A/C unit seek help from a certified and competent automotive air conditioning technician. There may not be one at the WCC service center where you are bringing your motorhome.
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