I have a 07 T800. With trailer supply pushed in, inline quick release valve between tractor protector valve and service line leaks when brake is pressed. Is this supposed to happen? Or is the quick release valve not supposed to leak at all. Sounds like a lot of air is coming out but doesn't change gauges noticeably. If it's not supposed to do this is it a big deal or can I run for a little while? I don't know when I'll be able to put a new one on.
Quick release valve leaking
Discussion in 'Kenworth Forum' started by KeenanJames4, Jul 12, 2023.
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QR valve is bad. It should only exhaust when the pressure is released. DOT OOS for certain. Most dealers should have, and 5 minutes to replace. Assuming this style?
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