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1993
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J2000/Sunbird V6-191 3.1L
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Cylinder Block Assembly
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Piston
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Service and Repair
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Piston Measurements and Replacement
Piston Measurements and Replacement
Fig. 7 Piston & Rod Assembly:
There is a machined hole or cast notch in the top of all pistons. The
piston
assemblies should always be installed with the hole or notch toward front of engine,
Fig. 7.