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Old 12-15-2018, 01:57 PM   #1
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Leak in front of 5th wheel

We have a leak in the bedroom and the water is coming in from the outlet above the end table. We looked on top and donít see any obvious problem. It is a Cougar lite 5th wheel and we bought it New February 2017. Any ideas it leaked just a little 5 days ago and we had very bad rain yesterday and it soaked a large bath towel?
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Old 12-15-2018, 02:15 PM   #2
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Water leaks are RV killers..........can have LOTS of hidden damage


Water leak source are notoriously difficult to find cause water can run a long ways from inlet (leak) to area where it is noticed


Could be via front cap 'clearance/marker' lights
Could be via front cap to roof transitional seam
Could be front cap to side wall transitional seam/trim

Could be via roof vent installation (if you have one over the bed area)


Unless very obvious...roof tear/bad caulking etc it is almost impossible to 'visually' find source of water leak


BEST method.........
Have trailer 'pressure tested'
https://rvleaks.com/

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Old 12-15-2018, 02:32 PM   #3
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Quote:
Originally Posted by Old-Biscuit View Post
Water leaks are RV killers..........can have LOTS of hidden damage


Water leak source are notoriously difficult to find cause water can run a long ways from inlet (leak) to area where it is noticed


Could be via front cap 'clearance/marker' lights
Could be via front cap to roof transitional seam
Could be front cap to side wall transitional seam/trim

Could be via roof vent installation (if you have one over the bed area)


Unless very obvious...roof tear/bad caulking etc it is almost impossible to 'visually' find source of water leak


BEST method.........
Have trailer 'pressure tested'
https://rvleaks.com/



Thank you.
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Old 12-16-2018, 08:51 AM   #4
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leaks

My Jayco 5er had bad leak from front cap seal . Fixed with applying Eternabond tape over all front cap seams. (Have since had entire roof replaced with RVroof,com . /DFWrvroof.com. )
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Old 12-16-2018, 01:27 PM   #5
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My Jayco 5er had bad leak from front cap seal . Fixed with applying Eternabond tape over all front cap seams. (Have since had entire roof replaced with RVroof,com . /DFWrvroof.com. )


That is one of the things my husband is going to do the tape.
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Old 12-16-2018, 02:41 PM   #6
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X2 what Old-Biscuit says. Water coming from the outlet can be really tough as the water will travel down the electric cable from incredible distances.
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Old 12-17-2018, 02:37 PM   #7
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Inspect around the AC, the bathroom and other vents, along the roof line where the roof meets the side wall and around the windows. And yes, water does sometimes flow uphill.

Also, maybe not very likely on your trailer the way you describe the problem, condensation in the sealing can cause a substantial amount of water accumulate and finding it's way to where it eventually leaks out.
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Old 12-17-2018, 04:19 PM   #8
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Inspect around the AC, the bathroom and other vents, along the roof line where the roof meets the side wall and around the windows. And yes, water does sometimes flow uphill.

Also, maybe not very likely on your trailer the way you describe the problem, condensation in the sealing can cause a substantial amount of water accumulate and finding it's way to where it eventually leaks out.


Thank you for your input.
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Old 12-17-2018, 04:20 PM   #9
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Several years ago, we had a Denali FW and I noticed water forming in one of the clearance lights. Silicone sealant bead started at the top, went down and around the bottom,back up the other side and stopped about a half inch from the other end of the sealant. The half inch void in the sealant bead made a path for water to enter the light. Even though the trailer was still under warranty, the dealership said that they did not cover chalking or sealants.
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Old 12-17-2018, 06:33 PM   #10
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Originally Posted by Cypressloser View Post
Inspect around the AC, the bathroom and other vents, along the roof line where the roof meets the side wall and around the windows. And yes, water does sometimes flow uphill.

Also, maybe not very likely on your trailer the way you describe the problem, condensation in the sealing can cause a substantial amount of water accumulate and finding it's way to where it eventually leaks out.

Ceiling not sealing
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Old 12-18-2018, 08:27 AM   #11
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Leak in front of 5th wheel

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Originally Posted by Tegu View Post
Several years ago, we had a Denali FW and I noticed water forming in one of the clearance lights. Silicone sealant bead started at the top, went down and around the bottom,back up the other side and stopped about a half inch from the other end of the sealant. The half inch void in the sealant bead made a path for water to enter the light. Even though the trailer was still under warranty, the dealership said that they did not cover chalking or sealants.
Thank you
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Old 12-18-2018, 08:31 AM   #12
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Ceiling not sealing


We found the leak at the front cap seam we are fixing it today. Thanks for all your input it helped us find the leak.
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