What causes injector cups to crack?
Now that we have it apart, it is apparent that the injector cup has a long crack in it, probably caused by heat and materials, heating up and cooling down. It will cause a stress fracture in the injector cup.
What causes diesel in the coolant?
The fuel pressure from the injector rail cast into the head (small hole to the left of the arrow) is far greater than the pressure in the cooling system. When a crack occurs, diesel fuel easily passes into the coolant.
How long will 7.3 injectors last?
Some can be expected to last between 80,000 and 100,000 miles, while the best fuel injectors can last as long as you have your vehicle. You can expect your fuel injectors to last longer with a little care and attention.
Can you clean 7.3 injectors?
Other than that, there is no such thing as cleaning a unit injector. If you ran it out of fuel, you may have scored the plunger and barrel assemblies inside the injectors. You can’t clean that kind of a problem and make it go away. Otherwise, normal injector wear occurs at the poppet valve.
How to install injector sleeve on Caterpillar C7 diesel engine?
The AERA Technical Committee offers the following information regarding injector sleeve installation on 2004-2017 Caterpillar C7 diesel engines. This information should be considered anytime the cylinder head is being worked on. Before installing new injector sleeves, thoroughly clean the injector sleeves with the 4C-5552 large bore brush.
Is the C7 injector on my Cat not working?
I have a CAT C7 WAX22042 . Will not run . Active injector codes 1-6 injection current fail . Code on my cat program is 1-11 thru 6-11 . Also did a … read more
What are the active injector codes for C7 ACERT?
Active injector codes 1-6 injection current fail . Code on my cat program is 1-11 thru 6-11 . Also did a … read more Vocational, Technical or Tra… Hi, I have a problem with our Cat C7 Acert . First is was Hi, I have a problem with our Cat C7 Acert .
What happens if the injector Cup fails on a 6.0L diesel?
Injector cups are a very vital part of the internal workings of a Powerstroke diesel engine, whether it is a 6.0L or a 7.3L. The injector cup seals the cooling system from the injector inside the cylinder head. When the injector cup fails, you will no longer have a seal between the fuel system and the coolant system.