What kind of diesel is in the injector?
What kind of diesel is in the injector?
When I was blanking the EGR valve I saw some diesel surrounding the injector bases on all the four injectors. The diesel is clean no mark of soot or oil, just clean blue diesel. I tried to tight the fuel line and go with it.
What happens to fuel injector when engine is shut off?
Fuel injectors deliver fuel to the combustion chamber directly or indirectly. During its evolution; the fuel injector has moved from the intake manifold to the combustion chamber. Over time the nozzle of the injector can become dirty; and partially blocked. When you shut off your engine; the injector will soak up the heat of the engine.
Why is LB7 injector failure a common problem?
We know today LB7 injector failure is a common problem, and because the operating tolerances inside the fuel system are so tight, proper lubrication from the diesel fuel is critical.
What causes wear and tear on fuel injectors?
Driving a car hard, combined with short start stop journeys, will increase the wear and tear on injectors. Letting the engine cool down, before shutting it off, will increase the lifespan of the injectors. This will also, benefit the rest of the engine too.
How do you replace an injector bore sleeve?
The tast step for Flynn was carefully installing the new sleeve in the injector bore. According to Rosewood Diesel, the new sleeve will press in inch before it’s in place. Flynn hit the new sleeve with a hammer until it bottomed out.
When to replace fuel injector sleeve on 7.3L?
This is because the 7.3L’s fuel system typically sees 60 to 70 psi of fuel pressure, as opposed to less than 16 psi in the cooling system (essentially, fuel wins the battle and contaminates the cooling circuit). Being quite labor intensive, it’s best to replace all of them at the same time.
What does an injector sleeve do on a car?
This month, we’re introducing you to a rare problem found on ‘941/2 to ’03 engines: injector sleeve failure. Known also as an injector cup, its primary functions are to seal and protect the immediate area of the injector bore within the cyl- inder head and keep the fuel system separate from the cooling cir- cuit.
How does the 7.31 power stroke injector sleeve work?
Each 7.31- Power Stroke injector sits in one Of these brass sleeves, which is pressed into the cylinder head. Its purpose is to keep the injector and fuel separate from engine coolant. as welt as help seal the fuel side of the injector. When a steeve splits or cracks, you’ll find fuel in the cooling system.
