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Topic: Mysterious Water Leak (Read 602 times) previous topic - next topic

Mysterious Water Leak

Hi, you we just went through a couple periods of brutal rain, and even with our cover, we ended up with significant water on the floor right behind the step up area that sits between the front setas, and hides the water tank.

I have Dicor'd, and siliconed everywhere that looks the slightest bit dubious. The previous owner kept the coach well-maintained, but I understand that roof maintenance is/should be an annual item. It looks, and is in good shape. Last Summer we drove 10k miles through some torrential rainstorms, and sat in the Rockies watching ark after ark float by, nary a leak to be seen, or found.

All I can think at this point, is that, perhaps the trim pieces that connect the from motorhome front cap to the side walls all had slightly loose screws (road vibration?).

Does this seem possible? Even on the level jacks, my coach angles slightly downhill in my driveway.


Frustrating.


Dave

1991 Foretravel Grand Villa 36'
1993 Cobra Phoenix 33'

Re: Mysterious Water Leak

Reply #1 –
Dave.

Not sure if this will help, but we had a leak in the same area behind the drivers seat. I removed the couch and sprayed water from the "Bottom towards the roof area "  above the left front wheel where the heater is located and found our leak..!!! water was getting in behind the secondary flashing of the front  heater area. Sealed all the flashing and retested..NO LEAKS. !!


Hans
Hans & Marjet
1995 U300 "Ben" (#4719)
3176B Cat,4060HD,Jake
SKP#139131
Motorcade#17579
2006 Honda Element (towed)

Re: Mysterious Water Leak

Reply #2 –
Dave,

Read through this thread as they had a similar problem in the same area.  Leak revisited

Hope this leads you in the right direction.

Pamela & Mike
Pamela & Mike 97 U 320

"It's not what happens to you, but how you react to it that matters."

Re: Mysterious Water Leak

Reply #3 –
Read about pressurizing inside with blower of some sort and putting soapy solutions around the outside looking for bubbles from air leaking from inside to outside, which could be an entry point for rain water.

Re: Mysterious Water Leak

Reply #4 –
I have a leak in left back corner of bedroom on my 1994 U225 Grand Villa. water marks go up to cabinets but when I look inside I can't tell where it's coming from. The blower inside and soap suds outside may help, but has anyone had a leak there that could help me. The water damaged the walnut paneling in the very corner only. I had a clearance light with a very rusty screw and repaired that about 2 years ago. That must not have been the trouble.
Tommy Thompson
1994 U225

Re: Mysterious Water Leak

Reply #5 –
I have mentioned this before but all coaches seem to leak from the screws that hold trim together. Another place is the clearance lights AND the screws holding them in place. ALL screws should be tightend at least twice a year and I remove each one and put a dab of Polyurethane on them then replace--not silicone.
For the lights, caulk around the three sides and leave bottom alone as a drain.
If you have any pop rivets in body panels for sun covers, these too must be caulked in centre.
John H
Coachless, now use aircraft. 2003 Ford Travelair TC280 class C. Super shape. Just for 1 yr .
1994 Ford E350 ClassC,total renovation inside and out. Now sold.
2000 U295  36' Cummins 350 c/w Banks Stinger, Resonator upgrade,Solar, LED lites.Residential fridge with slide out pantry. Build 5674. Sold
ex 92 GV 022C ored Cummins. Sold
ex 95 GV240 cat 3116. Sold
2017 Mini cooper s & 2016 land Rover LR2 HSE  LUX.
jhaygarth@aol.com    SKP #130098
treat everyone as you would like to be.

Re: Mysterious Water Leak

Reply #6 –
We had a back inside cabinet wetness, we determined to be form condensation inside the cabinet on cold days, because the other side of the cabinet wall is not insulated enough. We now leave that corner more open to let air circulate better.