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cam sprocket

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Jedi Trainee
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I got the engine out of the car today. What I thought was a scribe line on the cam sprocket now looks to be a crack. I will remove the sprocket tomorrow to check further. There is a punch mark in the line of the suspected crack.

With the crank at what appears to be TDC the punch mark is about 10 degrees off from the center of the sprocket on the crank. Again, I will check further tomorrow.

I have a new cam sprocket and timing chain anyway. I just thought this was unusual.
 
That's factory. Your new one will not have the markings. You may want to examine everything and read the manual on assembly before tearing things apart. The markings are important for reassembly.
 
County cam sprockets do not have the timing mark/punch mark but some suppliers carry a cam sprocket made in Germany that does have the mark.
 
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