How do you purge a fuel filter?
Turn the ignition key to the accessory position for 30 seconds. Then, turn the key off again. Turn the key to the accessory position again for 30 seconds. This process will finish priming the fuel filter and the fuel lines with diesel and remove any air from the fuel system.
How do you prime a manual fuel pump?
Priming the Fuel Pump
- Disconnect the hose that connects the fuel pump to the carburetor.
- Spray a three second burst of starting fluid into the carburetor.
- Repeat the spray-and-die procedure until you see fuel begin to wet the rag on the fuel line.
- Reconnect the fuel line to the carburetor.
When to purge air from a fuel filter on a diesel?
Air can get into the fuel system after a fuel filter change or if the vehicle runs out of diesel. If there is air in the fuel system, do not continue to crank the engine until the system is full of diesel again. Park the vehicle in a safe and well-ventilated work area.
What happens when you change the fuel filter?
Air can get into the fuel system after a fuel filter change or if the vehicle runs out of diesel. If there is air in the fuel system, do not continue to crank the engine until the system is full of diesel again.
Where is the fuel filter located on a diesel engine?
Engage the parking brake and turn the engine off. Open the hood and locate the diesel fuel filter canister. Most diesel engines have the fuel filter canister mounted to the rear driver-side of the engine. Unscrew the cap from the fuel filter canister with the ratchet and a socket.
How is air kept out of the fuel system?
The diesel fuel system is designed to keep air out of the fuel system by keeping the entire system full of diesel at all times. Air can get into the fuel system after a fuel filter change or if the vehicle runs out of diesel.