Look up gmcmotorhome.com, then click on Technical Information.
Gary Miller
'77 Kingsley
> Robin,
> 1. I have replaced the O-ring in the Power level valves before. They are
> standard O-ring, no funny cross section or anything. Make sure you get the
> tightest size that will fit ...we bought some that were the same size as the
> ones we took off of the old valve, and due to stretching of the old rings, the
> new ones we bought were too big (any pressure above 50 psi would blow the
> valve out).
>
> 2. I have not seen anything but air bags on a GMC. I would wonder about the
> usability of anything that I couldn't adjust manually since the coach rides so
> low in the back. I can't find the address here, but someone has a web page
> with a display of the Four Bag air system. Maybe someone else has the address
> of that web page and could post it.
> Good Luck,
>
> MJ Ladd
> walkawayl
> 1973 Canyon Lands
Gary Miller
'77 Kingsley
> Robin,
> 1. I have replaced the O-ring in the Power level valves before. They are
> standard O-ring, no funny cross section or anything. Make sure you get the
> tightest size that will fit ...we bought some that were the same size as the
> ones we took off of the old valve, and due to stretching of the old rings, the
> new ones we bought were too big (any pressure above 50 psi would blow the
> valve out).
>
> 2. I have not seen anything but air bags on a GMC. I would wonder about the
> usability of anything that I couldn't adjust manually since the coach rides so
> low in the back. I can't find the address here, but someone has a web page
> with a display of the Four Bag air system. Maybe someone else has the address
> of that web page and could post it.
> Good Luck,
>
> MJ Ladd
> walkawayl
> 1973 Canyon Lands
