Rob Posted November 17, 2008 Share Posted November 17, 2008 What is the valve called that has the yellow knob one pushes to release the spring brakes, (PP1, PP2)? The one in the "new" RL leaks when it is pushed in. A slight touch on the yellow knob from the side causes it to leak air also when the brakes are set.I'm to the point of doing maintenance on the air system and there are many leaks due to sitting I'm sure.Thanks,Rob Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment Share on other sites More sharing options...
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