A fuel pump push rod is a precisely engineered cylindrical component, typically a solid or hollow metal rod, that acts as a critical mechanical link in the valvetrain of an internal combustion engine. Its sole purpose is to transfer the oscillating motion from a lobe on the engine’s camshaft to the actuating arm of a …
Understanding Fuel Pump Lubrication Lubricating a fuel pump is generally not a standard maintenance procedure and is almost never applicable for modern, sealed, electric in-tank fuel pumps found in virtually all gasoline and diesel vehicles produced since the 1990s. These units are designed as sealed, maintenance-free assemblies where the fuel itself acts as the primary …
Understanding Fuel Pump Contact Corrosion and Degradation To clean fuel pump contacts, you need to safely disconnect the vehicle’s battery, locate and access the fuel pump assembly, carefully inspect the electrical connector and terminals, and then clean the metal contact points using a specialized electrical contact cleaner and a small brush, ensuring all corrosion and …
