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Slow leak on driver's side air bag [message #106149]

Thu, 18 November 2010 16:45

RF_Burns

Messages: 2277
Registered: June 2008
Location: S. Ontario, Canada

Karma: 3

Senior Member

I have a 77 pb with ElectroLevel I. The driver's side air bag will leak down in about 3-4 days, while the passenger side stays up.

I finally got around to installing the air bag cut-off vavles which I have had for a couple of years. Now with the valve off, it takes about a week to leak down. So it appears I have a slight leak in the solenoid and in the bag.

I'm trying to figure out now if I need to replace the bag or is this normal? Using soapy water does not show any leaks. I've heard of an "O" ring in the bag. Where would this be? Does the bag nut seal against this ring?

Inquiring mind want's to know! Cool

Bruce Hislop
ON Canada
77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC.
1 ton front end
http://www.gmcmhphotos.com/photos/showphoto.php?photo=29001
My Staff says I never listen to them, or something like that

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Re: Slow leak on driver's side air bag [message #106153 is a reply to message #106149]

Thu, 18 November 2010 16:57

Ken Burton

Messages: 10030
Registered: January 2004
Location: Hebron, Indiana

Karma: 10

Senior Member

The part that you screwed the shutoff valve into in the end of the bag is actually a reducer/ adapter of sorts. That part screws into the end of the bag. If you unscrew that adapter you will find the o-ring that you are asking about. Good luck getting it loose if it is rusted. There is nothing to grab on. Probably the best way is to tightly double nut it with two jam nuts and then see if you can turn it that way.

Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana

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