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Old 08-25-2012, 06:25 PM   #1
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06 Newmar Essex dash air

I am having a little trouble with my 06 MH Essex Newmar, I get a little cold air on the passingers side only not that much cold air but it is somewhat cold. On the drivers side I get no flow of air even at maximum air.
I checked the ductwork and it looks intact going into firewall. Is there a division valve or somekind of baffle inside the housing that directs air flow.
Also I found the Schraeder valve where I think I can add a recharge.
Any help would be appreciated.
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Old 08-25-2012, 06:34 PM   #2
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The air diverter works on vacuum, there's a small pump under the "hood". Is it working? Do you have a leak? Has one of the hoses fallen off?
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Old 08-26-2012, 07:23 AM   #3
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06 Essex dash ac

Thanks for the reply. I checked the hoses and it looked ok. I will check the pump, assume I can check it with a vacuum pump.
I am going to buy a recharge kit with a gauge to check refrigerant.
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Old 08-26-2012, 10:59 AM   #4
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We have an 04 Essex and we also found that the heater core was getting engine hot coolant to heater core so our A/C was cool but not cold. We added a gate valve to heater hose going to heater core and when we shut the valve our A/C temp was 10 degrees cooler. There is a sight tube to see if you see air blubs in the sight tube which will tell you if you are low A/C refridg. fluid. is low. Add till bulbs go way.
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Old 08-26-2012, 11:26 AM   #5
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06 Essex dash ac

Is that sight glass in front of vehicle or at the rear engine compartment/
thanks
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Old 08-26-2012, 02:51 PM   #6
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Before you go through recharge, clamp with vise grip pliers one heater hose into Evans AC/HEATER Unit and see if cooling increases.
If it does than add a ball valve as Tom suggested.
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Old 08-26-2012, 06:00 PM   #7
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It is located in the front passenger area where the A/C hose go into the A/C unit. It is tight and I had to use a flashlight and a mirror to see it. The sight glass is located on top of the receiver/drier which is about 6 inches long and 2 to 3 inches across. You need to run the A/C for 10 min. before to check if there are air blubs in sight window. Only add enough fluid to stop the bulbs from being in sight tube. Bring out your front gen. slide to reach A/C area. Tom
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Old 08-27-2012, 10:19 AM   #8
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thanks to everyone who replied, it's been a great help.
I checked the vacuum and the air diverter and it works opens wide.
I turned the fan speed selector to full blast but the air flow does not change on low speed. I am going to check the selector switch. enclosing a picture of selector switch again thanks for the info
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Old 08-27-2012, 10:20 AM   #9
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thanks to 007 great info
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Old 11-12-2012, 04:20 PM   #10
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new fan motor

finally got it fixed fan motor for drivers side was gone. RV place replaced and all is ok. Suspect I''ll have to install quick opening valve to heater inlet
to throttle down.
thanks for all the help.
new problem with Braund TV amplifier see forum
thanks
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Old 04-03-2013, 05:18 PM   #11
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New problem
I am having trouble with the real AC on my 06 Essex.
The whole unit was replaced last year because of a refrigent leak.
New unit was installed but the motor kept tripping out after 5 minute run time.
Took it back to the dealer and he determined that the motor on the Dometic unit was bad.Waited two weeks for the motor arrived.
Thought that it was fixed but going back to Florida I started having the same problem.
Unit runs for 5 minutes then compressor shuts off.
Doesn't matter if I'm using 50 or 30 amp or the generator.
Seems that the thermal switch tripsout the unit.
Called Domestic today and the tech who answered that it was installed incorrectly.
I tested the unit for one hour straight and it gets keep cycling.
The other 2 AC units run great.
Would appreciate any help. I am going to Lazydays next Wednesday maybe the know the answer after all I bought the unit from them.
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Old 04-03-2013, 07:22 PM   #12
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Not sure you have ceiling vent ducts in your ceiling, if the AC is a roof AC the unit needs the proper seals when attached to roof mounts to direct the cooled air into ducts.
Here is a pdf attached link with pictures.
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Old 04-03-2013, 07:55 PM   #13
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Will call Majors RV in Bourne Ma tomorrow to see if they installed the gasket but I suspect they didn't.
Thanks for the quick reply
Leoj
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Old 04-03-2013, 07:57 PM   #14
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Adding the manual check valve worked for us.
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