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Old 05-12-2022, 05:22 AM   #1
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Looking for CC Alure 470 Dash AC Expansion Valve

I've got an '08 CC Allure 470,
Coach number:#31665
Last 6 of the VIN#035310

Dash AC acts as if the expansion valve is blocked. Prior owner had replaced the compressor, possibly there is some debris in the system. I would also like to replace the receiver / dryer when we evacuate the system.

(I have been trying to source these parts thru OMC since shortly after Labor day 2021. Unfortunately never getting a call back is the "new post covid norm")

Can anyone help me to source these parts?
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Old 05-12-2022, 08:49 AM   #2
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Keep in mind none of the dash air parts are specifically made for any vehicle. Do you know the brand of your dash air system?
Here are some suppliers and manuals you might find useful:

12V air conditioning Cold Hose air conditioner Svc Manual Revision F March 2007.doc - svc-manual-revision-i-feb-2011.pdf Dash A/C Parts: nwrvsupply.com Evans Tempcon > Owners Resources Evans Tempcon Guides - Resources & Guides | ProAir Evans Tempcon MH Dash_All_Electric_HVAC_System_Service_Manual.pdf Evans Tempcon Parts - RV Air Conditioning Parts - Motorhome Dash AC and Heat system parts Newmar Evans-Tempcon.pdf RV Air Conditioning Service rvcoolingunit.com Victory Climate Systems (SCS/VCS) Climate Control Products -


BTW, I'm in SW Indiana. There is an Indiana specific thread here on irv2.com We are in the North Central forum here.
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Old 05-12-2022, 09:12 AM   #3
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I bought mine from Napa many years ago.
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Old 05-12-2022, 09:27 AM   #4
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I had he same problem. My drier failed causing the desiccant to travel to the expansion valve and block it. I removed the valve, which had the part number on it, googled it and found a new one on eBay. If this happened to you, youll probably have to replace the compressor and back flush the system. Those little desiccant balls can get stuck in your condenser and evaporator.

Bill
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Old 05-13-2022, 05:27 AM   #5
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I don't know the specific mfg of the ac system but I'll delve into this info more when I get a break in the farming. Thanks!

Quote:
Originally Posted by Ray,IN View Post
Keep in mind none of the dash air parts are specifically made for any vehicle. Do you know the brand of your dash air system?
Here are some suppliers and manuals you might find useful:

12V air conditioning Cold Hose air conditioner Svc Manual Revision F March 2007.doc - svc-manual-revision-i-feb-2011.pdf Dash A/C Parts: nwrvsupply.com Evans Tempcon > Owners Resources Evans Tempcon Guides - Resources & Guides | ProAir Evans Tempcon MH Dash_All_Electric_HVAC_System_Service_Manual.pdf Evans Tempcon Parts - RV Air Conditioning Parts - Motorhome Dash AC and Heat system parts Newmar Evans-Tempcon.pdf RV Air Conditioning Service rvcoolingunit.com Victory Climate Systems (SCS/VCS) Climate Control Products -


BTW, I'm in SW Indiana. There is an Indiana specific thread here on irv2.com We are in the North Central forum here.
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Old 05-13-2022, 05:30 AM   #6
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Quote:
Originally Posted by TR4 View Post
I had he same problem. My drier failed causing the desiccant to travel to the expansion valve and block it. I removed the valve, which had the part number on it, googled it and found a new one on eBay. If this happened to you, youll probably have to replace the compressor and back flush the system. Those little desiccant balls can get stuck in your condenser and evaporator.

Bill
I was hoping to have one on hand when I have a friend come out with his ac machine. But it might end up being a 2 step process: Evac first then source parts and recharge.
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Old 05-13-2022, 01:36 PM   #7
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Looking for CC Alure 470 Dash AC Expansion Valve

The Evans Tempcon system in my 2007 Allure 470 is a dual zone single blower. Evan Tempcon parts number RV213066 and RV213187. The first is the Airbox dual zone. The second is the base unit dual zone single blower high output.

The expansion orifice is part of that combined unit - up in behind firewall through inspection port after generator is extended. Possibly a call to Comfort Air (616 454 2200) with these numbers can lead to a spec sheet with exact expansion valve part number call out.

If you get the spec sheet Id love to have a copy.

Brian

EDIT - the drier receiver is a Victory Climate Systems part # 054-00019. Comes with a binary switch however CC installed a trinary switch (signal to ECM) in my Cummins ECM controlled radiator fan (fan to mid speed when otr A/C is on. I swapped over the trinary switch.
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Old 05-13-2022, 07:17 PM   #8
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Quote:
Originally Posted by BrianGlenn View Post
The Evans Tempcon system in my 2007 Allure 470 is a dual zone single blower. Evan Tempcon parts number RV213066 and RV213187. The first is the Airbox dual zone. The second is the base unit dual zone single blower high output.

The expansion orifice is part of that combined unit - up in behind firewall through inspection port after generator is extended. Possibly a call to Comfort Air (616 454 2200) with these numbers can lead to a spec sheet with exact expansion valve part number call out.

If you get the spec sheet Id love to have a copy.

Brian

EDIT - the drier receiver is a Victory Climate Systems part # 054-00019. Comes with a binary switch however CC installed a trinary switch (signal to ECM) in my Cummins ECM controlled radiator fan (fan to mid speed when otr A/C is on. I swapped over the trinary switch.
Great info!
I'll update the thread when I learn more.

I replaced the trinary switch to start with. My coach has a separate electric fan for the condenser located at the right rear.
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Old 05-18-2022, 09:44 AM   #9
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Any idea of the 134a charge weight?

I was able to get a picture of the front of the Evans Tempcon unit.
My part #201466
I have a call into Comfort Air regarding the expansion valve.

So far I can't find any notation of the freon charge weight. The tag on the unit was left blank
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Old 05-28-2022, 05:47 AM   #10
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ON my '08 CC Allure 470 My Evans/Tempcon HVAC is RV201466
I got conflicting info from OMC / Comfort Air But took a stab and ordered the RV219535 expansion valve (off ebay) It appears to be correct from the pictures I took of the existing one. Waiting on the rec/dryer to show up.

Regarding the charge weight, OMC said 4# then add 1/4# increments up to 5#.

Evens / Tempcon data (If I'm reading correctly) For diesel pusher with 12" electric fan w/side condenser say 2.75#

That's a big difference! For freon they claim needs to go in by weight to be "sure" of the charge.
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Old 05-28-2022, 08:19 AM   #11
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I inquired in 2014, this is the response from Country Coach,

Hi Bill,

Thank you for the inquiry. The 36' Intrigue takes 5 lbs of R134a Freon and 9.5 ounces of the SP 20 oil. I hope that helps. Please let us know if you need additional assistance. Thanks again

Best Regards
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Old 06-11-2022, 07:26 AM   #12
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Finally moved the coach to the front of the shop.
Before labor day 2021 the AC was acting up. With the gauges on there the high side would repeatedly go up then kick off the compressor kind of acting like a restriction.

Before opening the system, I removed the trinary switch and tested it by applying pressure using argon (on hand for welding) the switch acted bad. Ordered a new switch and had it delivered to my daughters place in Colorado. Installed it at camp while on the road.

Thought the dash AC acted mediocre at best on the trip home, ran the roof AC's some.

Next trip was Jan '22 to AZ and back in March. Full heat needed, no AC.

Thursday was the first time I had a chance to put the gauges on and low and behold the AC is functioning correctly. Good pressures, ambient air temp was close to 70 and the dash vent was 42.

I want to thank everyone for their helpful insights and contributions to this thread. I've got great information and part numbers if I need to go further into the system.

Fingers crossed!
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Old 06-11-2022, 10:49 AM   #13
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Thanks for closing the loop back on this - good thread that via search can help someone else in the future!

Stay cool...
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Old 06-14-2022, 12:20 PM   #14
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any part numbers are always appreciated. I have many. the entire front-end suspension and rear end system if needed. I store some on the CCI technical section.
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