Exam 15: Engine Removal, Disassembly, Cleaning,

You are performing a cylinder block warpage test using a straightedge and 0.003 thickness gauge: the straight edge is placed corner to corner diagonally and the gauge will not pass under the straightedge at any point. Which of the following should be true?

What is Tempilstick crayon used for?

Which type of cylinder head injector sleeve would be more likely to leak coolant into the engine cylinder?

Before removing an electronically managed engine which of the following should be downloaded and retained?

What is the most commonly recommended installation medium for injector O-rings before installation?

Which of the following components does NOT require magnetic flux testing during an engine overhaul?

What must be used to loosen and torque pipe nuts such as those found on injector lines?

Before removing a truck diesel engine from a chassis, which of the following steps is recommended FIRST?

On engines with a non-volatile RAM component, what should you do before disconnecting the batteries, prior to removing the engine?

Technician A says that top dead center (TDC) is simply the point at which a piston stops during its upward travel. Technician B says that piston TDC is the exact midpoint that occurs between the completion of an upstroke and the beginning of a downstroke. Who is correct?

When the rear engine mounts are located on the flywheel housing, which of following must be done before removing an engine from the chassis?

When rebuilding an engine, which of the following is best practice regarding the cylinder block?

Technician A says that when a counterbore is machined into the cylinder block, the deck must also be machined. Technician B says that when a cylinder block deck is machined, the cylinder counterbores should be recut. Who is correct?

What is usually used to check the aim of piston cooling jets?

Before attempting to pull a piston from a cylinder bore, which of the following is recommended?

When removing an engine from a truck chassis, what should be done to each electrical connector as it is separated?

When indicating a flywheel housing you measure 0.004 inches positive and 0.003 inches negative through one revolution. What is the total indicated runout (TIR)?

What should be done with a set of main and rod cap bearings on removal from an engine?

When removing a set of pistons from an engine, which of the following would be recommended practice?

Which of the following explains why modern cylinder blocks are more subject to torque twist than those of a generation ago?