Cracked or burnt piston?

Shafer171 · May 17, 2016

I have a couple pics I took Sunday

Shafer171 · May 17, 2016

Will have more and better ones this weekend

powerstroked08 · May 17, 2016

I saw a 6.4 that broke a ring and pressurized the crank case so much it pushed the turbo seal on the low pressure.

Geralddunbar995 · May 17, 2016

I'm just wondering if the K16 was leaking into the crankcase and then it melted a hole in a piston and created the pan removal scenario. No idea, honestly. Just thinking out of the box.

Shafer171 · May 17, 2016

That makes sense to me

btoler4th · May 18, 2016

How many miles on your rig? Trying to get an idea on the k16 life span. Above post about it possibly leaking has my nerves slightly shot. ( just did a full build, and reused my pump).

Shafer171 · May 19, 2016

175k been tuned since warranty went off

Shafer171 · May 22, 2016

#2and8 Pistons cracked

Shafer171 · May 22, 2016

Better pic of 8

Shafer171 · May 22, 2016

I've never really messed with the fuel system on these trucks where should I start digging in to it?

6.4f350 · May 22, 2016

Take out the 3 bolts holding the pump down and it lifts right out

Shafer171 · May 22, 2016

Sorry I meant the pump itself what should I be looking for, should I pull the covers and start looking at the internals?

suprdzlduty · May 22, 2016

You wanna look for metal in the system which will be difficult now that the injector lines are off...you could look in the supply ports on top of the pump with a flashlight and if you see a lot of "glitter" that's metal...which means the pump is goin bad

Shafer171 · May 22, 2016

Didn't see any but once pump was out I spun it and can feel a drag in it.

Shafer171 · May 24, 2016

Any tips on the new build?

Shafer171 · May 29, 2016

Got it pulled today and got the pan off f it, it was a pia getting that mangled pan out of there! Lots of metal shavings floating around in the pan. The dent in the bottom f the pan is from me jacking it back up with a floor jack to get it off the cross member.

Cracked or burnt piston?

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