Bleed Air From Fuel Filter

Step 1 twist the valve on the fuel petcock located at the bottom of the fuel tank in a clockwise direction to shut off the fuel supply to the engine.

Bleed air from fuel filter.

Once both of the fuel filters have been changed it is likely that air has entered the fuel system requiring the filters and the fuel system be bled before the engine will run properly. The filter can be found by tracing the fuel lines back to where they reach the engine filter. Clean outside of filter housing. Escaping fuel air mixture operate the hand primer lever until you have air free fuel coming from the bleed screw s then close the air vent fittings.

Others have filters with replaceable cartridges. Here are the steps to take in bleeding air from a diesel fuel system. There s one catch to changing the fuel filter however. On dual fuel filter system bleed air only from final filter.

Turn off fuel valve. Fuel filter bleed screw. When you change the fuel filter or run out of fuel in a diesel vehicle you must bleed the air bubbles out of the fuel system and then prime it to get a new supply of fuel circulating. In cases where a fuel injection pump is involved follow the fuel lines until you arrive at the pump.

Whenever the fuel system has been opened up for service lines disconnected or filters removed it will be necessary to bleed air from the system. Fuel pump primer lever. When you try to start the engine this air acts as a lock preventing the normal supply of fuel into the cylinder. When you change a diesel fuel filter run out of fuel or disturb the fuel system air is trapped.

Down on the farm mark shows you the fastest way he knows of to bleed a diesel fuel system after it has been run out of fuel no tools all you need is a. You just remove the old one and pop in the new one.