Injector job took me 8 hours when it should've been 2

Was swapping injectors on a 2015 Cummins ISX15 in Phoenix last Tuesday. Got all 6 out in 45 minutes, no problem. But one injector cup had pitting I didn't catch until after reassembly, had to pull it all apart again. Anyone else find hidden damage that doubles your time on simple jobs?

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dakotal164mo ago

Man "simple jobs" is the biggest lie we tell ourselves in this trade. Ive had a injector swap turn into a full weekend because one of the cups decided to weld itself to the head like it was trying to become part of the block permanantly. At least you caught the pitting before you fired it up, Ive seen guys skip that check and then wonder why their new injectors are getting chewed up in a week. Phoenix heat probably made that cup situation worse too, that dry air does weird stuff to metal.

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faithb764mo ago

Wait, they actually skip checking for pitting?

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