eltorodebull

I have a 2002 4.8 going in a third gen. my question is I was in the process of swapping oil pans when I noticed that the very front of my crank has what looks to be "wear" marks from the crank rotating.. is that normal. it has stop all work as of now... what could cause this? It is almost like the crank is rubbing on the front of the engine. any comments or suggestions welcome

im-not-guilty

iTrader: (4)

Any pics

eltorodebull

I have searched over and over for hours trying to find someone that has brought this up to talk about, found nothing. not even a picture....

eltorodebull

no I'm sorry no pics right now Im at work. just ran into this right before work. Im hoping that Im just overthinking this or something...but there is scratches that are not to deep...looks like a break rotor that needs to be turned almost,,not that bad tho

eltorodebull

bump really need some advice....should be a quick reply....Like NO there should not be any marks...OR...Yeah thats common..... come on guys help me out

TyCZ28

you arent really giving us anything to go by... i have no clue what part of the crank the marks are on. if its one of the main or rod journals then no it should be polished and spotless

eltorodebull

here you go not my engine but you can see where im talking about now
how do you put pix on here

eltorodebull

its not the main or rod...its the "counterwieght" closest to the oil pump. IF you look at the engine at the crank pulley with NO oil pan on you can see part of the crank depending on if you rotate it.. it looks like it is rubbing on the front of the engine...howver besides the visual damage nothing else seems wrong...

bww3588

iTrader: (49)

I've seen this on numerous engines, but none had any corresponding marks anywhere else. I think it's just part of the machining process the crank gets.

Ron_Stoppable

iTrader: (1)

Is it right by the front timing cover crank seal?

bww3588

iTrader: (49)

The front of the front counter weight behind the first main cap.

im-not-guilty

iTrader: (4)

With out actually seeing it..
I 2nd part of the maching process

eltorodebull

the more i look at it I think it is the machining, thanks for the help anyways guys

joecar

Pics.

KCS

iTrader: (20)

Without looking, it's probably the machining of the counterweights, but just in case you may want to check to make sure that the bolts for either the cam retainer plate or timing chain damper are not too long to where they would hit the counterweight.