Fuel Injectors & Pumps

Section 6.6 Cracked Injector Body Failure

Section 6.6
Cracked Injector Body Failure

For a cracked injector body failure, see Figure "Cracked Injector Body Failure" .‪

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Figure 1. Cracked Injector Body Failure

COMPLAINT: Fuel in oil.‪

CAUSE: Fatigue, excessive pressure.‪

CORRECTION: Replace Unit Injector.‪

RECOMMENDATION: Check remaining injectors for cracks, if injectors are original installation.‪

Note: Body cracks are difficult to detect in the field. They normally occur as shown in photograph above. If body crack is suspected, REMOVE injector and use brake or contact cleaner to aid in the detection of this condition.


Unit Fuel Injectors and Unit Pumps Technician's Guide - 7SE500
Generated on 10-13-2008

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