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Old 01-10-2014, 01:48 PM   #1
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1978 Argosy 30
Austin , Texas
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Tail Leak :(

I recently purchased a 1978 30' Argosy. We've had rains here in Austin, TX for the past 3 days so Ive been waiting with baited breath for any sign of leaks. Well Ive got one and it seems to be pretty significant. Its in the right rear of the trailer near the fuse box. I discovered it this morning and pulled up the peel and stick tiles that were covering the area when I noticed water on them. Its coming down onto the floor and I suspect is the source of some rot in the sub floor at this point. I plan to further investigate the damage. My guess is that its been happening for some time before I bought it and there may be more there. I plan on checking the vents in the ceiling and the tail light housing for the source. Has anyone out there run into some thing similar??
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Old 01-10-2014, 02:01 PM   #2
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1976 Argosy 28
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Plumbing vents, seams and windows & hatches are all common sources of water infiltration. Water can migrate behind the skin, too, so keep in mind that it may not be directly above the wet floor spot.
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Old 01-10-2014, 02:09 PM   #3
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Yeah man. It can be a pain looking for the source of leaks. I had the entire interior out including the interior walls and insulation and it was still hard to find them... Good luck.
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Old 01-10-2014, 05:03 PM   #4
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I had one last winter, it turned out to be the clearance lights up high over the window. Generous but neat application of Acryl R took care of it in a few minutes of prep and work
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Old 01-10-2014, 07:45 PM   #5
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1978 Argosy 30
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Thanks for the information. Im going to take a look at it tomorrow and try to diagnose it.
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Old 01-12-2014, 08:45 PM   #6
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1978 Argosy 30
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I took a look at the tail lights, the running lights and the vents on the roof. There was definitely water coming in from the tail lights and running lights. The tail light has green mold or algae growing on it. As you can see the gasket is falling apart as well. Where is the best place to look for gaskets??


Here's a shot of the sewer vent. Note the missing screws..


I think this was originally a fan vent above the bathroom. The sealant looks shot..
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Old 01-16-2014, 08:27 PM   #7
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Snoqualmie , Washington
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Wow, why would it leak?
Tail light gasket should be had at any auto parts store, get closed cell, maybe caulk around the top and sides after installation.
Your vent pipe covers need to be replaced. The kit can be picked up at just about any RV supply store.
I'm not sure what the chrome thing is that you show as a fan vent above the bath, but it's not original - you can see the outline of the original whatever in the picture. If you want to keep it for now, I would dig out some of the dried up caulking and reseal with Trempro, Vulkem or Sikaflex.
My 2c
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Old 01-16-2014, 09:38 PM   #8
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Is that a dog bowl??!
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Old 01-17-2014, 08:31 AM   #9
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1978 Argosy 30
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Yes who would have thought that water wouldn't get in there! I'm going to stop by my nearest RV place today and pickup the necessary stuff.i want to make sure this Twinkie is water tight!! The dog bowl is pretty rediculous.

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Wow, why would it leak?
Tail light gasket should be had at any auto parts store, get closed cell, maybe caulk around the top and sides after installation.
Your vent pipe covers need to be replaced. The kit can be picked up at just about any RV supply store.
I'm not sure what the chrome thing is that you show as a fan vent above the bath, but it's not original - you can see the outline of the original whatever in the picture. If you want to keep it for now, I would dig out some of the dried up caulking and reseal with Trempro, Vulkem or Sikaflex.
My 2c
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Old 01-17-2014, 08:33 AM   #10
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1978 Argosy 30
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It certainly looks like one! Thanks for the laugh
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Is that a dog bowl??!
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Old 01-17-2014, 12:22 PM   #11
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The plate that goes under the back of the trailer is a major source of leaks. You usually need to remove the belly trim to see that joint. It is hidden and as a result does not get the attention is should. I expect 90% of tail rot is a result of this single design flaw.

Perry
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Old 01-20-2014, 08:11 PM   #12
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1978 Argosy 30
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Thanks Perry. I suspect that I will be looking under there sometime soon
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The plate that goes under the back of the trailer is a major source of leaks. You usually need to remove the belly trim to see that joint. It is hidden and as a result does not get the attention is should. I expect 90% of tail rot is a result of this single design flaw.

Perry
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Old 01-22-2014, 05:20 PM   #13
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Did you find gaskets for the tail lights? I know when I bought new reflectors for the lights they did not come with new gaskets nor could I find them anywhere... I just reused the old ones.
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Old 01-22-2014, 07:07 PM   #14
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1981 31' Excella II
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I don't know how the lights are mounted on your trailer but mine has plastic trays behind the lights. I had leaks there as well. I sealed them to the skin so even if water got behind the lights that it would not go anywhere.

Perry
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