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Which of the following is not the reason for the breaking of the flange in a wet liner?(a) Worn out counterbore seat(b) Excessive tightening of head bolts(c) Uneven counterbore(d) Damaged piston pin bossI got this question in an online quiz.My question is from Engine Components topic in section Basic Engine Components of Automotive Engine Design

Answer»

Right answer is (d) Damaged PISTON pin boss

The best explanation: The breaking of a flange in a wet liner is DUE to the wrong tightening sequence of cylinder HEAD bolts or their excessive tightening, uneven COUNTERBORE in the block to RECEIVE the liner, worn-out counterbore seats and not damaged piston pin boss.



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