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Old 04-07-2013, 08:34 AM   #1
1 Rivet Member
2012 Interstate Coach
Strafford , Missouri
Join Date: Mar 2012
Posts: 7
Roof vent rattles

Just returned from a 4700 mile trip with son, daughter-in-law and their 5 children (4 years to 14).
Great trip...last day we logged 700+ miles as we needed to get home.
What a way to travel! Love the Interstate.
The only issue we had was rattles from the roof vent. Tried everything to quiet it but with no luck.
Has anyone else had similar problems or do I just have a problem vent in need of repair or replacement?

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Old 04-07-2013, 09:11 AM   #2
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2013 Interstate Coach
Napa , California
Join Date: Mar 2013
Posts: 122
When you say you tried everything, I'm assuming you had it full open and full closed. I find our loud if I don't have it at one if the stops. Partly open causes it to rattle as the lid bounces up and down. Other then that I haven't had any issues with mine.

FYI, its the early 2013 model. I'm not sure if they always use the same maker

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Old 04-08-2013, 09:20 AM   #3
3 Rivet Member
2012 Interstate Coach
norman , Oklahoma
Join Date: May 2011
Posts: 227
When mine is closed with tension on it the mechanism still rattles. Looking at it, it seems like a design flaw not a defect.
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Old 04-08-2013, 12:42 PM   #4
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2012 Interstate Coach
Metairie , Louisiana
Join Date: Dec 2011
Posts: 9,085
Mine is a MaxxAir MaxxFan, manual-opening, exhaust only. I forget the model number.

The only problem I had with mine is that the knob that raises and lowers the cover stripped out, so that it would turn and the cover wouldn't move. THAT rattled, until I got it fixed. Had to replace two parts at a cost of about $15, and problem fixed. To make sure the same thing doesn't happen to you, don't crank it down too tightly. I gave mine a right proper twist when I was gearing up for hurricane Isaac last year, thinking tighter is always better. Not so. Turns out I stripped out the worm gear on the inner end of the knob's shaft. It's only made of pot-metal, and strips out easily.

Anyway, thanks to the built-in rain hood, the cover only has to be barely finger-tight when closed, not cranked down hard, even when preparing for major storms. Wish I'd known thenů

Mine doesn't rattle anymore in any position, up down, or in-between. When stored (and I'm not expecting a hurricane) I keep it partially open to vent heat and/or control condensation. Camping, it's fully open and tunning at whatever speed seems most appropriate (with the AC on, it's open with the fan turned off). Driving down the road, it's usually fully closed to minimize road noise, but I have driven with it open a few times. Didn't rattle then, either; I just didn't like the sound the slipstream makes blowing around it.
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