Hello everyone' I have this FreightLiner 2004 FL70.
My problem is when ever brakes are apply' air leaks out the service glad hand dumping alot of air out fassst.I was thinking maybe is my Tractor Protection Valve, but im not sure? Can any one here help me, any help i will apreciate thanks in advance.
Air Leak out the service glad hand
Discussion in 'Freightliner Forum' started by Charles13, Oct 11, 2011.
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Have you checked the rubber grommet?
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My yellow button gave way right there in the cab. Yea, that will make you come off the seat. The bad part of that situation was the red one gave out 40 miles down the road after that. Two service calls in one morning was expensive and a pain in my arse.
If your rubber seals are good, don't wait for it to really go bad. Get it checked out ASAP. -
Its not my glad hand rubber grammet thanks anyways.
But with the truck stopped and trailer disconnected from tractor.
And i step on the brake pedal air excapes out the service glad hand wich is in back of the truck on the frame. Causing air loss. Wher is the location to the Tractor Protection Valve?
Thanks guys i really appreciate all of the help. -
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FL70 Trailer valve may be in rear end of truck if it is truck + draw bar trailer and under cabin on left if it is fifth wheel trucktor, like on Century class ore Columbia.
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