Truck is a 2001 KW T800, this is just under the drivers seat mounted under cab, view is from above the fuel tank. There are 3 lines that go nowhere (1 orange 1/4" and 2 black 1/4") and nothing in the area to indicate they ever went to anything. When I hold the brake pedal the orange 1/4" line hisses and the air gauge drops fast. The 2 black ones seem to do nothing, just open. I cant find any schematics so hoping someone on here has a clue. Anyone know what this air line is to? An air tank is on the other side of the frame and then the trans so very hard to trace. Any help appreciated. Thanks.
Random air line leaking when press brakes... Anyone know what this is?
Discussion in 'Kenworth Forum' started by Green461, Sep 13, 2019.
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They had to go somewhere, look for more open lines, on other side of plate. Looks like 3 of the 4 holes in plate were being used. They’re clean, the one is dirty. Wasn’t being used. No telling where it goes. A good Truck specific mechanic is needed.
stillwurkin Thanks this. -
Rideandrepair Thanks this.
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In confused isn’t there suppose to be a fitting that makes the orange connect with the orange and back with black? Maybe just popped out fittings broke? Hard to tell cuz I’m not there messing wit it
stillwurkin and Rideandrepair Thank this. -
Could br left overs from a PTO pump or tanker, cap them off ?
stillwurkin and Dino soar Thank this. -
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Another driver had a pic. of a new double CK. valve this week he had just put on somewhere He was was asking what it was an why it cost so much>?
Last edited: Sep 14, 2019
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Interesting well bend those hoses putba zip tie to hold them folded then go inside push down on the brake pedal and see what happens.
If nothing then cap it off and forget it.HopeOverMope Thanks this. -
I would at least check the operation of each brake on the truck, in case the line is supplying a valve.
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Probably a pin hole wear, or loose fitting.
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