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Crack in water jacket or casting mark...

   
Old 01-12-2014, 04:54 PM
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Default Crack in water jacket or casting mark...
While cleaning the head bolt holes in my 5.3l I noticed what appeared to be a large crack in the water jacket. It seems way too deep to be some sort of casting mark, but another 5.3 in my garage has a very similar crack/mark.


What do you guys think about this? Should I be concerned or is this normal?
Thanks!


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Old 01-13-2014, 01:11 AM
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That's the casting parting line.

Nothing to worry about, it's normal.
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Old 01-13-2014, 10:30 AM
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I was hoping that was the case, but my inexperience told me to panic. Thanks bud!
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