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rear main air bag on passenger side won’t air up
Hello I have a 92 H3-40. the rear air bag on the passenger side will not air up. I have checked for leaks and cant find any. Any suggestions please. Thanks Jason
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2 Replies
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Jason,
Tag bag or drive?
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If you are talking about the tag axle air bag only, it is most likely the 3 port Norgen valve between the air bags on the drive axle and the tag axle is not shifting and I suspect it is frozen in the position that blocks air to the tag axle air bag, while exhausting tag axle air bag air. Put the level low system in the driving position and cycle the tag axle lift up and down. If that doesn’t get it to move replace it.
Generally when Norgren valves will not shift the air system has or has had moisture in it and the valve is water logged or corrosion prevents movement of the spool.
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