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Home » Public Forums » GMCnet » another potential problem! Why my air bellows are low? (I had noticed that both back tires were touching the wheel wells...)
another potential problem! Why my air bellows are low? [message #227219] Sun, 27 October 2013 13:46 Go to previous message
budworks521 is currently offline  budworks521   United States
Messages: 137
Registered: October 2013
Location: Grand Rapids MI 1974 Pain...
Karma:
Senior Member
I have been working on my engine and jacked up the center front cross member for one day about 8 inches or so. After awhile upon letting it down I noticed my rear suspension was lacking height. I have the batteries undone, have not run the engine for over a month, and my grade in back is slightly sloped backwards compared to the front. When you look at the bellows they seem like they are holding air and was wondering what I might have done. I have since jacked the back and supported the framing to keep the angle of the bellows and pressure points more equal. Is it possible to close the valves before the bellows and pump compressed air into the bellows to straighten them out? They have shutoff valves and then an air inlet valve just before the bellows. Are these air valves used for pumping more air into the bellows if your system is down? Yes I am a bonafide rookie!!

1974 Painted Desert 455 upper half rebuild constant project inexperienced mechanic Grand Rapids Mi Always trying to learn
 
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