I have looked at my cylinder bore and I can clearly see the cross-hatch pattern equally on all cylinders. I raised every piston to TDC and applied a side load with my hand in different directions to see if the piston would move even slightly, however, I couldn't detect any movement. By the way, the car has 204K miles.

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Meza
1993 190E 2.6
Advanced Diesel Systems Test and Research Engineer