What is injector sleeve?
What is injector sleeve? The diesel injector sleeve (a.k.a. fuel injector sleeve) seals and protects the injector in the cylinder head, separating the fuel system from the cooling circuit. How to replace engine sleeve for unit injector? Working with the fuel system requests special cleanliness. 1 Lubricate 88880057 Thread tap (M9) with grease in order to prevent swarf from falling into the cylinder. Screw the thread tap at least 5 mm into the copper sleeve, using 9998252 Thread cutting tool. 2 Remove tool 9998252 Thread cutting tool and 88880057 Thread tap. How to use Caterpillar engine injector sleeve tool, important...