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2008 MP8 7th injector cleaning


thom2and

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I have a 2008 Mack with the MP8, 485 hp, and about 40,000 miles. Lately it's been asking for a regen every couple of days. During the regen process the exhaust temp doesn't go over 600*F. I've been told the 7th injector needs cleaning. I'm wondering if anyone knows how to do this. Also, is a gasket kit needed to reassemble? Any help is appreciated.

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Yes you will need a kit to reseal, 2 hold down bolts and the 2 gaskets remove the 2-- 5/16 bolts careful not to break lift injector up remove gaskets use a soft tooth brush and some carb cleaner and carfuly clean end of injector reinstall gaskets and bolt put some antisieze on the bolt and u will be good to go.Just be very careful not to break the 2 bolts.

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