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[GMCnet] Restoration. Holding tank leaks [message #295055]

Thu, 04 February 2016 17:23

BobDunahugh

Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA

Karma: 11

Senior Member

I just pulled 4 tanks out of 2 GMC' Coachmen Royale's. And on all 4 tanks. The place where the drains come out of the tanks is where the tanks are broken. So why at that point. Unless you drag the back over tree stumps. Then it dawned on me. The tanks are bolted to the body. The drains are attached to the frames. And there's movement between the two. So does this also apply to the GM completed coaches? So this means more money down the DRAIN. ( GRIN)Bob Dunahugh
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Re: [GMCnet] Restoration. Holding tank leaks [message #295057 is a reply to message #295055]

Thu, 04 February 2016 17:45

James Hupy

Messages: 6806
Registered: May 2010

Karma: -62

Senior Member

Bob, it's the nature of the Coachman beast. Replacement tanks are not
flange mounted. They mount like the fuel tanks do. They also use rubber
grommets and rigid pvc pipe tightly slid into them. Much better setup all
around. Do not glue rigid flange fittings to the tanks. They will crack
just like the original ones did. Jwid.
Jim Hupy
Salem, Or
78 GMC ROYALE 403
On Feb 4, 2016 3:24 PM, "Bob Dunahugh" wrote:

> I just pulled 4 tanks out of 2 GMC' Coachmen Royale's. And on all 4
> tanks. The place where the drains come out of the tanks is where the tanks
> are broken. So why at that point. Unless you drag the back over tree
> stumps. Then it dawned on me. The tanks are bolted to the body. The drains
> are attached to the frames. And there's movement between the two. So does
> this also apply to the GM completed coaches? So this means more money down
> the DRAIN. ( GRIN)Bob Dunahugh
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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Re: [GMCnet] Restoration. Holding tank leaks [message #295065 is a reply to message #295055]

Thu, 04 February 2016 18:56

Adrien G.

Messages: 474
Registered: May 2008
Location: Burns Flat, OK 73624

Karma: 1

Senior Member

Bob,

My coach tank and drain pipe are all mounted to the body floor, with plenty of frame clearances.
So far so good. No leaks.

Adrien & Jenny Genesoto 75 Glenbrook (26-3) Mods LS3.70 FD / Reaction Sys / 80mm Front&Intermidiate / Hydroboost / 16" Tires / Frame Rebuild / Interior Rebuild Yuba City,Ca. Text 530-nine-3-three-3-nine-nine-6

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