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1998 Mazda B2500 Question: Why is there a timing mark on the oil pump pulley

 

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Pt mech, 2.5L 4 Cylinder, Minneapolis, MN, May 21, 2014, 20:28
 Rookie

I was changing the timing belt and the picture I found on the marks had a mark on the oil pump pulley

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  • Answer #1

    ziptie12 May 22, 2014, 19:12
     Master

    It might also be a balance shaft , which if misaligned will cause vibration.

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