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03-02-2021, 04:59 PM
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#1
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Member
Brand: Thor Motor Coach
Model: ACE 30.1
State: West Virginia
Posts: 93
THOR #21234
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Another leaky tail light victim...
So I go out to leave this morning, and happen to see what appears to be wavy reflections in the area above my drivers side tail light. Sure enough, you can press in on the fiberglass right above the tail light, and below it. Went ahead and pulled the tail light, and everything behind there is wet. The plywood surrounding the area is soaked, and delaminating so much, that there is nothing for the screws to grab onto. I can't see any damage inside the RV, but that area is mostly covered by a closet area.
I did order new lights to install, which may be an issue as there is nothing there for the screws to screw into. My main concern is how in the world does this ever dry out? Also, would the water wick up the side like that? I checked the roof, and the sealant looks fine.
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If every porkchop were perfect, we wouldn't have hotdogs!
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03-02-2021, 05:24 PM
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#2
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Senior Member
Brand: Thor Motor Coach
Model: '17-Vegas 24.1
State: California
Posts: 2,227
THOR #13362
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I had a similar issue & just ordered these from Amazon, they arrive today.
I’m being proactive & don’t have the damage you do
Hopefully after your cavity dries out you can modify the area to accept 4 screws.
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'17 Vegas 24.1
Fallbrook, CA
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03-02-2021, 05:44 PM
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#3
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Member
Brand: Thor Motor Coach
Model: ACE 30.1
State: West Virginia
Posts: 93
THOR #21234
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Quote:
Originally Posted by taylorbob1
I had a similar issue & just ordered these from Amazon, they arrive today.
I’m being proactive & don’t have the damage you do
Hopefully after your cavity dries out you can modify the area to accept 4 screws.
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I ordered th same ones!
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If every porkchop were perfect, we wouldn't have hotdogs!
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03-02-2021, 06:45 PM
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#4
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Senior Member
Brand: Thor Motor Coach
Model: Forest River Forester 235
State: Indiana
Posts: 4,884
THOR #6826
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During a stretch of nice weather just leave them open for a couple of days and maybe facing into the sun if you can. A big box store will carry a wood restoration product that you can use. It’s basically just epoxy that saturates the bad wood to strengthen it. You can inject some of it into the screw holes or use wooden matchsticks soaked in the stuff to fill the holes before redrilling for new screws. Not sure there’s a lot you can do about wavy fiberglass. Good luck.
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03-02-2021, 06:48 PM
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#5
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Member
Brand: Thor Motor Coach
Model: ACE 30.1
State: West Virginia
Posts: 93
THOR #21234
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Quote:
Originally Posted by Pete'sMH
During a stretch of nice weather just leave them open for a couple of days and maybe facing into the sun if you can. A big box store will carry a wood restoration product that you can use. It’s basically just epoxy that saturates the bad wood to strengthen it. You can inject some of it into the screw holes or use wooden matchsticks soaked in the stuff to fill the holes before redrilling for new screws. Not sure there’s a lot you can do about wavy fiberglass. Good luck.
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It's funny you mention the sun. I've had the light open all morning in the sun, and the waves are gone.
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If every porkchop were perfect, we wouldn't have hotdogs!
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03-02-2021, 07:16 PM
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#6
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Senior Member
Brand: Thor Motor Coach
Model: Forest River Forester 235
State: Indiana
Posts: 4,884
THOR #6826
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Quote:
Originally Posted by AxialFlux
It's funny you mention the sun. I've had the light open all morning in the sun, and the waves are gone.
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Well THATS cool. Looks like you’re golden!
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03-02-2021, 07:55 PM
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#7
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Member
Brand: Thor Motor Coach
Model: ACE 30.1
State: West Virginia
Posts: 93
THOR #21234
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Quote:
Originally Posted by Pete'sMH
Well THATS cool. Looks like you’re golden!
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Maybe, but at least that might explain why I didn't see this before I bought it, otherwise, it might've been a good negotiation point. As it is now, you cannot tell there is delamination now. Knocking on it sounds and feels solid.
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If every porkchop were perfect, we wouldn't have hotdogs!
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03-02-2021, 08:59 PM
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#8
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Senior Member
Brand: Thor Motor Coach
Model: Forest River Forester 235
State: Indiana
Posts: 4,884
THOR #6826
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Quote:
Originally Posted by AxialFlux
Maybe, but at least that might explain why I didn't see this before I bought it, otherwise, it might've been a good negotiation point. As it is now, you cannot tell there is delamination now. Knocking on it sounds and feels solid.
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I think if it was mine I’d just be happy.... enjoy your coach.
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03-02-2021, 10:20 PM
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#9
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Senior Member
Brand: Thor Motor Coach
Model: ACE 30.2
State: Massachusetts
Posts: 441
THOR #8180
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__________________
USN - RETIRED NUKE
Taunton, MA
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03-02-2021, 11:55 PM
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#10
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Senior Member
Brand: Thor Motor Coach
State: South Carolina
Posts: 698
THOR #22342
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So i realize that the manufacturers do not seal any of there lights or covers. I typically put a bead of clear silicone around the lights, and covers when i have some spare time. For example, i replaced the cable union last week, when i re-install, put a small bead of silicone around the gasket. the new THOR products have LED tail lights, a nice upgrade.
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03-03-2021, 01:55 AM
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#11
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Senior Member
Brand: Thor Motor Coach
Model: Vegas 25.5 / Keystone Mon
State: Arkansas
Posts: 149
THOR #20441
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Same lights from Amazon on our Vegas!
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03-03-2021, 02:51 AM
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#12
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Senior Member
Brand: Thor Motor Coach
State: California
Posts: 899
THOR #17478
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Quote:
Originally Posted by Pete'sMH
During a stretch of nice weather just leave them open for a couple of days and maybe facing into the sun if you can. A big box store will carry a wood restoration product that you can use. It’s basically just epoxy that saturates the bad wood to strengthen it. You can inject some of it into the screw holes or use wooden matchsticks soaked in the stuff to fill the holes before redrilling for new screws. Not sure there’s a lot you can do about wavy fiberglass. Good luck.
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Matchsticks and toothpicks are soft wood and will not hold up. Go to a hobby store a get a thin Burch or Maple dowel. Drill out to the exact size and epoxy them in. Then drill a pilot hole. You may want to add some butyl rubber around the inner edge to make sure that the light assembly is water tight. You can use a flush cutting saw to trim the dowel.
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2013 Thor Palazzo 33.2
2013 Honda CRV
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03-03-2021, 04:16 AM
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#13
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Senior Member
Brand: Thor Motor Coach
Model: Forest River Forester 235
State: Indiana
Posts: 4,884
THOR #6826
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Quote:
Originally Posted by MLP
Matchsticks and toothpicks are soft wood and will not hold up. Go to a hobby store a get a thin Burch or Maple dowel. Drill out to the exact size and epoxy them in. Then drill a pilot hole. You may want to add some butyl rubber around the inner edge to make sure that the light assembly is water tight. You can use a flush cutting saw to trim the dowel.
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Matchsticks will work just fine if they are soaked in epoxy. Being softer wood, as you note, it’ll soak up the epoxy more easily. It will be stronger than just wood. But either approach will certainly be strong enough to hold in a light assembly.
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03-03-2021, 12:24 PM
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#14
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Senior Member
Brand: Thor Motor Coach
Model: 2019 Chateau 28Z
State: Tennessee
Posts: 487
THOR #22388
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Quote:
Originally Posted by taylorbob1
I had a similar issue & just ordered these from Amazon, they arrive today.
I’m being proactive & don’t have the damage you do
Hopefully after your cavity dries out you can modify the area to accept 4 screws.
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Besides them being LED, what is the difference in the sealing ability between the OEM original and the new lights from Amazon?
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2019 Thor Chateau 28Z 2018 E-450 Chassis W/ V10
4 Wheel tow a 2021 Ford Ranger Lariat 4X4 W/ Blue Ox Alpha Tow Bar/Base Plate and Stay-IN-Play DUO Brake system.
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03-03-2021, 02:31 PM
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#15
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Senior Member
Brand: Thor Motor Coach
Model: Vegas 25.5 / Keystone Mon
State: Arkansas
Posts: 149
THOR #20441
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The aftermarket lenses are one piece, sealed and rear wire housing in sealed as well. With proper installation the aftermarket lights should provide more reliable moisture resistance.
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03-03-2021, 04:14 PM
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#16
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Senior Member
Brand: Thor Motor Coach
Model: ACE 29.3
State: Pennsylvania
Posts: 115
THOR #20468
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Good idea to replace the rusty Thor screws with stainless steel screws. I do this anytime I remove an original screw.
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03-03-2021, 04:49 PM
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#17
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Senior Member
Brand: Thor Motor Coach
Model: Hurricane 35m
State: North Carolina
Posts: 945
THOR #13505
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Nice Craft!!
Our old vegas leaked like that also.
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Retired Squid who has a Retired Squid that drives him around in a RV!
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03-04-2021, 12:58 AM
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#18
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Senior Member
Brand: Thor Motor Coach
Model: 2019 Vegas 24.1
State: Florida
Posts: 163
THOR #17456
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Just ordered
Quote:
Originally Posted by taylorbob1
I had a similar issue & just ordered these from Amazon, they arrive today.
I’m being proactive & don’t have the damage you do
Hopefully after your cavity dries out you can modify the area to accept 4 screws.
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Based on your post, I inspected my lights today. No moisture on the left, but a small amount on the right. I let it dry, sprayed with Flex Seal, and willl install the new Partsam lights in two days.
Thanks for taking the time to post. It prompted me to be proactive as well!
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03-04-2021, 01:38 AM
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#19
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Senior Member
Brand: Thor Motor Coach
Model: 2019 Vegas 24.1
State: Florida
Posts: 163
THOR #17456
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Rusted screws
I should have noted some of the screws on the right side were so rusted the threads were gone. This is on a 2019 model! I will add silicone caulk in all of the holes when I install the new lights.
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03-04-2021, 05:20 AM
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#20
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Senior Member
Brand: Thor Motor Coach
Model: Vegas 25.5 / Keystone Mon
State: Arkansas
Posts: 149
THOR #20441
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Same. Our 2019 Vegas OEM tail light hardware (screws) completely rusted. On aftermarket LED light install, holes filled with silicone prior to stainless steel hardware install then screw tops covered in silicone. PNW tends to offer a significant amount of moisture (rain).
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