Watch skilled mechanics in action as they replace the diesel valve stem seals of a Nissan truck with precision and expertise.

Valve stem seals must accomplish two contradictory goals ... FCI 91-1 was created by the Fluid Control Institute and is more closely aligned with the leak detection and repair requirements mandated by ...

Step 3 Press the tire gauge against the valve stem in a swift motion, making a “flat” connection that seals completely. Swiftly remove the gauge from the tire’s valve stem after the stick ...