Volvo VN semi truck pass through air line leak (Volvo Truck Performance Group on Facebook)

The sensors i mentioned are actually pressure sending units for your dash gauges. You may also need an airline plug, like i figured out. I'm assuming one of the open interior ports would emit air when i applied the brake pedal. Since my truck has no gauge for pressure applied, i plugged it. Dealer sells them.
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Видео Volvo VN semi truck pass through air line leak (Volvo Truck Performance Group on Facebook) канала Pete Schnabel