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Hello,

Just wanted to know what causes the pintle caps on injectors to crack?

Ive had brand new denso/sard injectors fitted. Upon removal after 10,000km, a couple of them had hairline cracks on the caps? Would like to know what caused this :)

Thanks

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https://www.sau.com.au/forums/topic/365064-cracked-injector-pintle-caps/
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as above. but the pintle caps do not have any effect on the spray. they are they as a protector from impact etc etc.

hmm lets say they were installed correctly and not manufacturing fault. This leaves heat being the issue?

cheers

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