How do you prime a truck?
How do you prime a truck?
Prime the fuel system by turning the ignition on (Run position) for 30 seconds, but do not start the engine. This allows the pump to prime the system. Turn the ignition off, and then crank it for 15 seconds. If it does not start, repeat the first task and this one until it starts (cycle the key).
How to install fuel injectors on a DD15 engine?
Align the clamp over the bolt hole, install the new bolt into injector clamp and snug then release injector bolt. Note: If the high pressure lines leak after installation the lines need to be replaced. Install high pressure line to the injectors; finger tighten the cap nuts. Torque the injector clamp bolts to 20 N·m (15 lb·ft) + 90°.
How to remove fuel injector from Detroit Diesel?
Lift the clamp and injector from its seat in the cylinder head using J-47391 injector removal tool. Remove clamps from injectors and install a tip protector onto the injector nozzle. Cover the injector hole to keep out foreign material.
How does the injector work in a diesel engine?
Fuel enters the injector through an opening on the side of the injector body, which is delivered by the fuel pump and surrounds the injector through passages in the cylinder head. At idle, the high-pressure oil is around 600 psi. When the engine is at WOT, the high-pressure oil can reach 3,000 psi.
Can a cracked diesel engine injector still run?
Although the injector body can be cracked, the engine may still run fine but just take an extended period of time to crank. In addition, the customer may notice some fuel dilution in the oil by seeing that the oil level is rising on the dipstick.
Why does my DD15 injector keep acting up?
We have guy with a DD15 that acted up once a few months ago. Very rough start, acted like one cylinder was dead. The shop was unable to track down or replicate the problem to figure out which injector caused the problem. Fast forward to this week. He had a hard time getting it to fire off, and when it did, it ran away.
Lift the clamp and injector from its seat in the cylinder head using J-47391 injector removal tool. Remove clamps from injectors and install a tip protector onto the injector nozzle. Cover the injector hole to keep out foreign material.
Which is the correct PID for a diesel engine?
The pressure voltage, though, is always correct. If you are working on a common rail diesel fuel system, the injector rail pressure PID is the telltale PID on fuel pressure. All common rail engines have a pressure sensor in the high pressure rail.
What causes an injector to stick on a truck?
Pulling codes showed that high rpm and low rail pressure occurred at the same time, pointing to an injector stuck open, and the runaway was due to excess fuel dumped in the cylinder. Truck seemed to run fine afterwards, but come to find out, that kind of RPM pretty much requires cam replacement.
