What is the correct procedure for measuring the cylinder bore diameter in a 4.0L engine?

I- Use a cylinder bore gauge to measure the interior diam...

Question

What is the correct procedure for measuring the cylinder bore diameter in a 4.0L engine?

I- Use a cylinder bore gauge to measure the interior diameter of the cylinder bore at three levels below the top of the bore.
II- Take the first reading perpendicular to the crankshaft axis and then take two additional readings.
III- Measure the diameter of the cylinder bore at a point near the top, then repeat the measurement near the middle of the bore, and then repeat the measurement near the bottom of the bore.
IV- Determine the taper by subtracting the smaller diameter from the larger diameter.
V- Determine the ovality by comparing the difference between each measurement.
a) I, II, III, IV and V are correct.
b) Only I, II, III and IV are correct.
c) Only II, III, IV and V are correct.
d) Only I, III, IV and V are correct.

Ed · Answer

A alternativa correta é a letra "a) I, II, III, IV e V estão corretas".

O procedimento correto para medir o diâmetro do cilindro em um motor de 4.0L é:
I- Use um medidor de diâmetro do cilindro para medir o diâmetro interno do cilindro em três níveis abaixo do topo do cilindro.
II- Faça a primeira leitura perpendicular ao eixo do virabrequim e, em seguida, faça mais duas leituras.
III- Meça o diâmetro do cilindro em um ponto próximo ao topo, repita a medição perto do meio do cilindro e, em seguida, repita a medição perto da parte inferior do cilindro.
IV- Determine a conicidade subtraindo o diâmetro menor do diâmetro maior.
V- Determine a ovalidade comparando a diferença entre cada medição.

What is the correct procedure for measuring the cylinder bore diameter in a 4.0L engine? I- Use a cylinder bore gauge to measure the interior diam...

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