GMCforum: GMCnet » Black tank replacement

Home » Public Forums » GMCnet » Black tank replacement

Show: Today's Messages :: Polls :: Message Navigator

Re: Black tank replacement [message #368503 is a reply to message #368497]

Tue, 18 January 2022 19:34

Matt Colie

Messages: 8547
Registered: March 2007
Location: S.E. Michigan

Karma:

Senior Member

Skip,

Talk to your favorite GMC supplier and see about getting the replacement tank with the fitting where they belong.

If you have the option, order the tank for the Valterra (not Thetford) dump valve. They are as problem free as the OE and cost 1/3.

To remove the tank, remove the pot and unscrew the flange. It will come out with a length of pipe.
In the back bedroom, you will have to take out the water tank to access the sink and shower drains.
The galley sink drain connection is (if it is a 26) under the floor of the closet.
Both of the smaller drains are steel pipe and that may be your problem. It also may be worse because the steel is gone except in the threads you will want to reuse. It takes either a pair of the new push button Channel Locks or Monster basin wrench to work those.

Mine had iron pipe in there that had expended and cracked the tank top fitting for the smaller drains.

Best of luck....

Matt

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

Report message to a moderator

[Message index]

		Black tank replacement By: skip2 on Tue, 18 January 2022 17:50
		[GMCnet] Re: Black tank replacement By: James Hupy on Tue, 18 January 2022 18:17
		Re: [GMCnet] Re: Black tank replacement By: skip2 on Tue, 18 January 2022 18:44
		[GMCnet] Re: Black tank replacement By: jimk on Tue, 18 January 2022 19:05
		Re: Black tank replacement By: Matt Colie on Tue, 18 January 2022 19:34
		Re: Black tank replacement By: lqqkatjon on Tue, 18 January 2022 22:13
		[GMCnet] Re: Black tank replacement By: jimk on Tue, 18 January 2022 23:09

Previous Topic:	Norcold fridge gets warm inside- is there any hope ?
Next Topic:	[GMCnet] Dash Blower inop

Goto Forum:

-=] Back to Top [=-

Current Time: Thu Jul 04 10:51:32 CDT 2024

Total time taken to generate the page: 0.06150 seconds