Home » Public Forums » GMCnet » [GMCnet] Leaks - Driving in the (occasionally driving) rain
| [GMCnet] Leaks - Driving in the (occasionally driving) rain [message #289350] |
Sun, 25 October 2015 08:41  |
Dolph Santorine
Messages: 1236
Registered: April 2011
Location: Wheeling, WV
Karma: -41
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Senior Member |
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I’ve been putting some miles on the coach “shake down” before putting the interior back together.
Two leaks that I don’t find well addressed on the sites -
Rear Window - mine is leaking dead center on the bottom, where the two parts of the rubber channel used to meet (and now has a gap). There is also a leak on one of the sides.
Drivers side wheel well - not really a leak, but evidence of moisture in the plywood just outside of the fiberglass wheel well.
Suggestions appreciated! I’m going to try to address these before I attack putting the interior back in the coach.
FWIW, Forrest Crow shared a number of tips regarding the toll window (like the water channel that I didn’t know about), and I had no issues at all with the windows on the front of the coach. Toll windows included.
Dolph
DE N8JPC
Wheeling, West Virginia
1977 26’ ex-PalmBeach
1-Ton, Sullybilt Bags, Reaction Arms, 3.70 LSD, Manny Transmission, EV-6010
“The Aluminum and Fiberglass Mistress"
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| Re: [GMCnet] Leaks - Driving in the (occasionally driving) rain [message #289354 is a reply to message #289350] |
Sun, 25 October 2015 09:18  |
Mr ERFisher
Messages: 7117
Registered: August 2005
Karma: 2
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Senior Member |
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On Sunday, October 25, 2015, Dolph Santorine wrote:
> I’ve been putting some miles on the coach “shake down” before putting the
> interior back together.
>
> Two leaks that I don’t find well addressed on the sites -
>
> Rear Window - mine is leaking dead center on the bottom, where the two
> parts of the rubber channel used to meet (and now has a gap). There is also
> a leak on one of the sides.
>
> Read here
http://gmcmotorhome.info/skin.html#REAR
> Drivers side wheel well - not really a leak, but evidence of moisture in
> the plywood just outside of the fiberglass wheel well.
>
> Suggestions appreciated! I’m going to try to address these before I attack
> putting the interior back in the coach.
>
> FWIW, Forrest Crow shared a number of tips regarding the toll window (like
> the water channel that I didn’t know about), and I had no issues at all
> with the windows on the front of the coach. Toll windows included.
>
> Dolph
>
> DE N8JPC
>
> Wheeling, West Virginia
>
> 1977 26’ ex-PalmBeach
> 1-Ton, Sullybilt Bags, Reaction Arms, 3.70 LSD, Manny Transmission, EV-6010
>
> “The Aluminum and Fiberglass Mistress"
>
>
>
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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| Re: [GMCnet] Leaks - Driving in the (occasionally driving) rain [message #289358 is a reply to message #289350] |
Sun, 25 October 2015 09:50 |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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Senior Member |
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Dolph,
I found similar damage in my coach and spent way too long considering the issue. Finally, I just said "Screw It". More literally, "Flash It". Boats will teach you that man cannot make anything "Water Proof". The best you can do is either make it so water goes someplace else. So, I took down the wheel well and arranged aluminum flashing so the spray kicked off the tire could not get to the wood. This took several different pieces because of the contour and some caulk to seal the edges where parts met. 23's have the dinette bend and storage behind the driver's. It used to get wet in there and now, it no longer does.
Matt
Dolph Santorine wrote on Sun, 25 October 2015 09:41I've been putting some miles on the coach "shake down" before putting the interior back together.
Two leaks that I don't find well addressed on the sites -
Rear Window - mine is leaking dead center on the bottom, where the two parts of the rubber channel used to meet (and now has a gap). There is also a leak on one of the sides.
Drivers side wheel well - not really a leak, but evidence of moisture in the plywood just outside of the fiberglass wheel well.
Suggestions appreciated! I'm going to try to address these before I attack putting the interior back in the coach.
FWIW, Forrest Crow shared a number of tips regarding the toll window (like the water channel that I didn't know about), and I had no issues at all with the windows on the front of the coach. Toll windows included.
Dolph
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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| Re: [GMCnet] Leaks - Driving in the (occasionally driving) rain [message #289373 is a reply to message #289358] |
Sun, 25 October 2015 13:40 |
Dolph Santorine
Messages: 1236
Registered: April 2011
Location: Wheeling, WV
Karma: -41
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Senior Member |
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Thanks, Matt. The flooring is exposed at that point, and it makes sense.
Any suggestions on the back window? I don’t want to put the wrong goop on there and then find out I have created an adhesive monster.
Dolph
> On Oct 25, 2015, at 10:51 AM, Matt Colie wrote:
>
> Dolph,
> I found similar damage in my coach and spent way too long considering the issue. Finally, I just said "Screw It". More literally, "Flash It". Boats
> will teach you that man cannot make anything "Water Proof". The best you can do is either make it so water goes someplace else. So, I took down the
> wheel well and arranged aluminum flashing so the spray kicked off the tire could not get to the wood. This took several different pieces because of
> the contour and some caulk to seal the edges where parts met. 23's have the dinette bend and storage behind the driver's. It used to get wet in
> there and now, it no longer does.
>
> Matt
> Dolph Santorine wrote on Sun, 25 October 2015 09:41
>> I've been putting some miles on the coach "shake down" before putting the interior back together.
>>
>> Two leaks that I don't find well addressed on the sites -
>>
>> Rear Window - mine is leaking dead center on the bottom, where the two parts of the rubber channel used to meet (and now has a gap). There is also
>> a leak on one of the sides.
>>
>> Drivers side wheel well - not really a leak, but evidence of moisture in the plywood just outside of the fiberglass wheel well.
>>
>> Suggestions appreciated! I'm going to try to address these before I attack putting the interior back in the coach.
>>
>> FWIW, Forrest Crow shared a number of tips regarding the toll window (like the water channel that I didn't know about), and I had no issues at all
>> with the windows on the front of the coach. Toll windows included.
>>
>> Dolph
>
>
> --
> Matt & Mary Colie - Members GMCMI, GMCES
> '73 Glacier 23 - Still Loving OE Rear Drum Brake with Applied Control Arms
> SE Michigan - Twixt A2 and Detroit
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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| Re: [GMCnet] Leaks - Driving in the (occasionally driving) rain [message #289377 is a reply to message #289373] |
Sun, 25 October 2015 14:23 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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Dolph,
We use the Black glass calk from CR Larece. I notice the professional glass
installers use that.
Good trick is to wet your finger
in water then spread the sealant.
On Sun, Oct 25, 2015 at 11:40 AM, Dolph Santorine
wrote:
> Thanks, Matt. The flooring is exposed at that point, and it makes sense.
>
> Any suggestions on the back window? I don’t want to put the wrong goop on
> there and then find out I have created an adhesive monster.
>
> Dolph
>
>
>> On Oct 25, 2015, at 10:51 AM, Matt Colie wrote:
>>
>> Dolph,
>> I found similar damage in my coach and spent way too long considering
> the issue. Finally, I just said "Screw It". More literally, "Flash It".
> Boats
>> will teach you that man cannot make anything "Water Proof". The best
> you can do is either make it so water goes someplace else. So, I took down
> the
>> wheel well and arranged aluminum flashing so the spray kicked off the
> tire could not get to the wood. This took several different pieces because
> of
>> the contour and some caulk to seal the edges where parts met. 23's
> have the dinette bend and storage behind the driver's. It used to get wet
> in
>> there and now, it no longer does.
>>
>> Matt
>> Dolph Santorine wrote on Sun, 25 October 2015 09:41
>>> I've been putting some miles on the coach "shake down" before putting
> the interior back together.
>>>
>>> Two leaks that I don't find well addressed on the sites -
>>>
>>> Rear Window - mine is leaking dead center on the bottom, where the two
> parts of the rubber channel used to meet (and now has a gap). There is also
>>> a leak on one of the sides.
>>>
>>> Drivers side wheel well - not really a leak, but evidence of moisture
> in the plywood just outside of the fiberglass wheel well.
>>>
>>> Suggestions appreciated! I'm going to try to address these before I
> attack putting the interior back in the coach.
>>>
>>> FWIW, Forrest Crow shared a number of tips regarding the toll window
> (like the water channel that I didn't know about), and I had no issues at
> all
>>> with the windows on the front of the coach. Toll windows included.
>>>
>>> Dolph
>>
>>
>> --
>> Matt & Mary Colie - Members GMCMI, GMCES
>> '73 Glacier 23 - Still Loving OE Rear Drum Brake with Applied Control
> Arms
>> SE Michigan - Twixt A2 and Detroit
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org>
> _______________________________________________
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--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Leaks - Driving in the (occasionally driving) rain [message #289442 is a reply to message #289350] |
Mon, 26 October 2015 08:36 |
lqqkatjon
Messages: 2324
Registered: October 2010
Location: St. Cloud, MN
Karma: 5
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Senior Member |
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Dolph,
might cause me more problems later, but I used the black rust-olium equivalent of the "as seen on TV" sealant spray inside my wheel wells, to seal between the body, the plywood. pretty much used the one can up on everything I could get to on drivers and passenger side. double or triple coated it.
http://www.amazon.com/Rust-Oleum-265495-11-Ounce-Flexible-Sealant/dp/B00AGZ0MUW/ref=sr_1_1?ie=UTF8&qid=1445866254&sr=8-1&keywords=seal+spr ay
It is sealed up pretty good now, and have not seen any evidence of it leaking there now. I also do not run fender liners.
time will tell if water gets behind, and does any rotting, but I am keeping an eye on it, and see no problems for 2 summers now.
Now my leaks coming from the top down, that is a different story. Need to pull and reseal the drip rails I am pretty sure.
Jon Roche
75 palm beach
EBL EFI, manny headers, Micro Level, rebuilt most of coach now.
St. Cloud, MN
http://lqqkatjon.blogspot.com/
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| Re: [GMCnet] Leaks - Driving in the (occasionally driving) rain [message #289447 is a reply to message #289442] |
Mon, 26 October 2015 09:21 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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Jon, almost every drip rail I have taken loose did not look like it was
leaking. Some of the screws loosen over time and you should address those
The ends of the drip rail are another story. They contain a rubber like
compression gasket that is always a source of leaks. If you take them off,
the gaskets always just crumble into black dust. New ones are not available
except that cinabar may still have new old stock. If you had an intact one?
Steele rubber parts could mold a new one. Don't know cost.
Jim Hupy
Salem, Or
79 GMC ROYALE 403
On Oct 26, 2015 6:57 AM, "Jon Roche" wrote:
> Dolph,
>
>
> might cause me more problems later, but I used the black rust-olium
> equivalent of the "as seen on TV" sealant spray inside my wheel wells, to
> seal
> between the body, the plywood. pretty much used the one can up on
> everything I could get to on drivers and passenger side. double or triple
> coated
> it.
>
>
> http://www.amazon.com/Rust-Oleum-265495-11-Ounce-Flexible-Sealant/dp/B00AGZ0MUW/ref=sr_1_1?ie=UTF8&qid=1445866254&sr=8-1&keywords=seal+spr ay
>
>
> It is sealed up pretty good now, and have not seen any evidence of it
> leaking there now. I also do not run fender liners.
>
> time will tell if water gets behind, and does any rotting, but I am
> keeping an eye on it, and see no problems for 2 summers now.
>
> Now my leaks coming from the top down, that is a different story. Need
> to pull and reseal the drip rails I am pretty sure.
> --
> Jon Roche
> 75 palm beach
> St. Cloud, MN
> http://lqqkatjon.blogspot.com/
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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