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02-25-2012, 07:05 AM
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#1
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Senior Member
Thor Owners Club Workhorse Chassis Owner
Join Date: Sep 2011
Location: Halifax, Nova Scotia, Canada
Posts: 871
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Moisture in headlight
I have some condensation in one of my headlights. How do I correct this and prevent it from happening again? There are no cracks in the lens, either front or back and it appears that all the wire weather boots are attached to the lens assembly.
Thanks,
Stewart
__________________
Stewart & Kim. 2011 Serrano 31V, MaxForce 7 w/ Allison 6 Sp. Fiat 500 Sport Diesel Pusher.
Surge Guard 3450, TST 510, Sliverleaf VMSpc, RVND 7710. Blue Ox Tow. 2010 Arctic Cat 700 TRV.
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02-25-2012, 07:40 AM
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#2
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Senior Member
Join Date: Aug 2008
Location: Georgia
Posts: 8,638
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When mine was under warranty I had it replaced. It has to have a seal broken somewhere. You might try removing the bulb and use a hair dryer and blow in the hole but it probably will do it again.
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2007 Fleetwood Revolution LE 40V
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02-25-2012, 08:10 AM
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#3
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Senior Member
Ford Super Duty Owner
Join Date: Dec 2009
Location: Mcdonough, Ga.
Posts: 5,926
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We had several of these at our dealership. If you want to replace the headlight, Remove the light and look for the manufacturers logo. All headlights are off the shelf headlights. (most are ford) If you want to repair, you will have to remove the headlight. Most of the time it is the seam where the light is put together in two halves. coat the seam with a rubberized sealer. To dry it out, put in a few ounces of alcohol swish it around then pour it out and then blow out with compressed air.
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1998 Pace Arrow 35 ft. F53 Ford V10 2014 Honda CRV toad
32 years mechanic at Delta Air Lines 15 year motorhome service manager. 3 popups....2 travel trailers....5 motorhomes....loved them all.
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02-25-2012, 08:37 AM
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#4
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Senior Member
Fleetwood Owners Club Freightliner Owners Club
Join Date: Nov 2001
Location: East Texas
Posts: 2,269
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I get the same thing about this time every year. I pulled the entire assembly out and searched for a crack or broken seam, but found nothing. I sealed up the seams anyway with silicone, but the same problem came back the following year. Now, once the weather warms up, I just remove the bulb and let the assembly air out for a week or so until it dries. It's then good to go for another year.
Craig
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2005 Fleetwood Providence 39J CAT C7 350, MP-8 Power Module
My wife does all the driving - I just hold the wheel...
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02-25-2012, 08:59 AM
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#5
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Senior Member
Join Date: Nov 2008
Posts: 3,642
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Or you can dry it out by turning on the headlights, the heat from the bulb will dry it out in a few minutes. As others have said, it probably has a crack along the seam.
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02-25-2012, 12:09 PM
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#6
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Senior Member
Join Date: Nov 2011
Location: Full time RV'er
Posts: 5,124
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Doesn't hurt anything does it?
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02-25-2012, 12:15 PM
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#7
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Senior Member
Thor Owners Club Workhorse Chassis Owner
Join Date: Sep 2011
Location: Halifax, Nova Scotia, Canada
Posts: 871
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Thanks everyone. I'll have a much closer look at it when the weather gets better. The hair dryer and silicone sounds like a plan.
__________________
Stewart & Kim. 2011 Serrano 31V, MaxForce 7 w/ Allison 6 Sp. Fiat 500 Sport Diesel Pusher.
Surge Guard 3450, TST 510, Sliverleaf VMSpc, RVND 7710. Blue Ox Tow. 2010 Arctic Cat 700 TRV.
Someday your life may flash before your eyes. Make sure it's worth watching.
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