PISTON RING INSPECTION

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1. Using the piston, press the piston ring parallel into the cylinder to 50.6 mm {1.99 in} from the upper end of the cylinder block.

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2. Measure the piston ring end gap using a feeler gauge.

• If it exceeds the maximum specification, replace the piston ring.

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Standard piston ring end gap [Vehicles with IDEVA]

Top: 0.20—0.25 mm {0.0079—0.0098 in}

Second: 0.20—0.30 mm {0.008—0.011 in}

Oil (rail): 0.20—0.30 mm {0.008—0.011 in}

Standard piston ring end gap [Vehicles without IDEVA]

Top: 0.144—0.194 mm {0.00567—0.00763 in}

Second: 0.20—0.30 mm {0.008—0.011 in}

Oil (rail): 0.10—0.30 mm {0.004—0.011 in}

Maximum piston ring end gap [Vehicles with IDEVA]

Top: 0.38 mm {0.015 in}

Second: 0.44 mm {0.017 in}

Oil (rail): 0.49 mm {0.019 in}

Maximum piston ring end gap [Vehicles without IDEVA]

Top: 0.38 mm {0.015 in}

Second: 0.44 mm {0.017 in}

Oil (rail): 0.49 mm {0.019 in}