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Re: [GMCnet] Required air pressure for quad bag rear suspension [message #328885 is a reply to message #328884] Tue, 06 February 2018 16:09 Go to previous messageGo to previous message
Carl S. is currently offline  Carl S.   United States
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma:
Senior Member

I recently had my coach towed 169 miles on a front wheel lift. I maxed out my Quadra Bag system at 140 psi, which is the cut off for my compressor, then isolated the bags at the manifolds in the wheel well (part of the Quadra Bag system). There were no issues with the tow. If I had put the air valves in "travel" the rear end would have been too low.

I don't know what effect the extreme cold will have on the bags, but if the tow truck driver can regulate the system to 130 psi, and tie into your air system, that should certainly keep your air bags full for the trip.


Carl Stouffer '75 ex Palm Beach Tucson, AZ. Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
 
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