Why am I getting air in my fuel lines?

Fuel lines containing air can cause the engine to not run properly. Generally, air is introduced to the fuel lines when there is a leak or during fuel draining for equipment storage. Very little mechanical knowledge is required when bleeding fuel lines.

How do you prevent air from getting in your fuel lines?

1. Put fuel in tank.
2. Fill all filters with fuel. use the primer handle if equipped to prime the lines.
3. Turn key to on position wait for glowplugs/intake heaters to turn off.
4. Spray a bit of starting fluid while cranking engine.
5. If engine runs then stops repeat 3 and 4 until engine stays running.

How do you bleed the air out of a Mercedes diesel?

How to Bleed Air Out of a Mercedes Diesel Engine

1. Open the hood and locate the hand operated prime pump.
2. Unscrew the handle of the pump by hand in a counterclockwise motion.
3. Work the pump handle up and down until you feel a resistance and you can hear air escaping from the injection pump.

How do you remove air from a diesel fuel line?

To purge air from the low-pressure side of the fuel system, open fuel-line unions and bleed ports downstream of the pump, one at a time, beginning with those closest to the pump, and continue pumping until fuel, and not air, runs out.

Can air be trapped in fuel line?

if you meddle with the fuel system, or change filter or run out of fuel, air gets trapped in the fuel lines and starts acting as a lock, preventing the fuel from reaching the combustion chamber of the engine.

How do you un vapor lock a diesel?

When the key is in the accessory position for 30 seconds, the diesel is pumped out of the fuel tank and into the fuel filter canister. The diesel then fills the canister up as well as the fuel lines. This process removes the air from the fuel system by replacing the air with diesel.

How do you get rid of an airlock in a diesel engine?

Your fuel lift pump will be mounted on the engine and connected to the primary fuel filter. Begin pumping the lever or plunger while keeping an eye on the bleed screw. You will see bubbles form as air leaves the system. Use your rags or other absorbent material to sop up the fuel as it bleeds out.