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Old 06-05-2013, 07:59 AM   #1
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Seems all the Rushmore's are having cooling issues. Problem, I found was pilot holes drilled into ducting insulation area. I used foil tape to cover the holes. Heatwascoming from attic area into A/C duct. Noticed a lower temp right away. Here's a pic.



I also had a awning installed on the couch slide. Helps a lot since it faces the south.


Edited by: Ramn4ver
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Old 06-05-2013, 09:48 AM   #2
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That looks like what most of ours looked like before we fixed them. They must be trying to throw these things out the door so fast they do not take their time anymore. And something like this would never be caught by a Q/C person because they don't have the time to look at small things like this.
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Old 06-06-2013, 10:36 AM   #3
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Where would one get blue prints for A/C ducting? Our bedroom puts out twice the cold air. Seems all the cold air from the living room A/C ends up in the bathroom. Damn cold in there. Even with all the heat from the shower skylight. Thinking about blocking the vents in kitchen ducting.

Thanks
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Seems the A/C ducting on the right side (door entrance) in the ceiling has collapsed when they insulated the roof. The left ducting has 5 times the air flow. Granted its 98° outside..inside 78° ..better inside.. Edited by: Ramn4ver
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Old 06-06-2013, 11:22 AM   #4
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Call Crossroads and ask for it. I did and they faxed it to me. That is how I found the one end of our duct work in the bedroom that the end had not been closed off. Fixing that made a huge difference in our cooling along with sealing everything else up.

Fixing a collapsed duct work my be a problem. Keep us informed on how things are going on this.
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Old 06-06-2013, 11:28 AM   #5
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Bedroom is staying nice and cool...just another I need to fix it right myself... Edited by: Ramn4ver
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Old 06-06-2013, 11:36 AM   #6
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No it should have never left the plant like that.
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Old 06-06-2013, 11:39 AM   #7
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It was made on Nov 5th....Q/C checking A/C in the winter...
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Old 06-06-2013, 11:42 AM   #8
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Wow, I know fixing things is part of ownership but seriously you can see the hole saw circle and the pilot hole in the center. I'd expect a lot more from a Rushmore.
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Old 06-07-2013, 03:50 AM   #9
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Talk to my old RV repair man in Yakima today. He says that maybe when Crossroads installed rear A/C unit , they didn't cut enough of the rubber roof away. That's why air flow is being restriced to vents. Looks like its time to investigate...
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Old 06-10-2013, 11:13 PM   #10
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After the last vent in the ductI went in and blocked the duct. Don't know if it had an end or not. We got a lot better cooling after we did that.
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Old 07-01-2013, 11:37 AM   #11
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Well its 110° here today...livingroom holding at 88°bedroom 83°hanging out in the bedroom..all week.Edited by: Ramn4ver
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Old 07-01-2013, 12:32 PM   #12
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Found major hot air coming from vents in bedroom steps that is coming in from storage area. Sealed off. That's my girl Ruby helping out.

Edited by: Ramn4ver
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Old 07-04-2013, 08:58 AM   #13
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We are having the same problem with our A/C. Vents are not pushing enough air. We did find that the A/C on the roof was installed wrong at the factory. It was installed 4 inches to far back and did not seal the cold and warm air chambers. Dealer fixed this but the vents are still not pushing enough air. Its 92 degrees in the camper with the a/c on high. I think the factory has a ducting problem.

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Old 07-04-2013, 09:26 AM   #14
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I'm certain they didn't follow the blue prints that Dometic gives them. I'm on my step ladder trying to figure this puzzle out. Getting good air flow only on one side at least. Just a drizzle of cold air on the other.
Good Luck...Wish I had my 05 Alfa back...had too wear slippers in the summer, it was so damn cold in there.
Gary
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Old 07-07-2013, 10:42 AM   #15
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Opened up my inlet air vents in the ceiling today. More air in, more air out. Maybe a 10% to 15% increase. But you can feel a difference, that's for sure. Should help for those 100°+ days.
Old opening:


New opening:

The cut out section:
Edited by: Ramn4ver
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Old 07-08-2013, 09:31 AM   #16
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Talk with a tect at Crossroads today. Since we full time in our Rushmore kinda hard to take it in for service. Anyway, since we are getting cold air on one side. The text says other side must be block..duh. Two separate a/c channels running from rear to front. I'll be removing rear a/c something soon.
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Old 07-08-2013, 09:48 AM   #17
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I don't think I would let them know you are full timing in your Rushmore. They are not warrantied for full time living and they may cancel what warranty you have left. They seem to be all over the place on their warranty coverage now days.
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Old 07-08-2013, 09:55 AM   #18
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So far I've fixed everything that should of been right out of the plant. I think its a conspiracy to keep the service dept. busy...
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Old 06-25-2014, 08:00 PM   #19
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I have a 2013 Rush. Jefferson and am trying to work on AC before I leave for work again. Pulled return air covers off and found only a small opening so I cut the opening to fit covers (basically doubled the size) hopefully this will help. Also I have a buzzing coming from the rear most vent (very annoying) pulled the cover to no avail. Tomorrow I'll pull the unit from the roof and check out the duct work! I can't believe that these campers are made by the same company as the Redwood I've always heard good things about redwoods and thought (mistakenly) that these would be the same. The more I research the more I read about the very low quality of craftsmanship. I'm glad I'm a person that is very handy with many crafts so I can fix most of these problems myself but I am very disappointed after spending this amount of money and will NEVER recommend the Rushmore brand.
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Old 06-25-2014, 09:24 PM   #20
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I have the unit. Most of the problem is the misalignment of the air-conditioning unit on the roof
The buzzing problem might be a lose piece of the tape holding the duct work together
Get a mirror and a flash light. Look down the vents when the air conditioner running.
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