Question 1

A valve job restores the valves and seats. This increases manifold vacuum and may cause ________.

Accepted Answer

A)  High idle speeds
B)  Coolant consumption
C)  Increased oil consumption
D)  Rough idle C

Question 2

Powdered connecting rods can be marked with ________.

Accepted Answer

A)  A punch
B)  A permanent ink marker
C)  A steel number stamp
D)  Any of these B

Question 3

After the oil pan (sump) is removed, the technician should inspect ________.

Accepted Answer

A)  To make certain that all rod and main bearings are numbered or marked
B)  The oil pump and pickup screen
C)  The valve lifters (tappets)  for wear
D)  Both A and B D

Question 4

A long block can be made from a short block with the addition of ________.

Accepted Answer

A)  Oil pump, oil pan, and timing chain cover
B)  Cylinder heads and valve train
C)  Intake and exhaust manifolds
D)  Fuel pump, carburetor, and air cleaner assembly

Question 5

A short block includes the ________.

Accepted Answer

A)  Pistons, rods, and rod bearings
B)  Block
C)  Crankshaft and main bearings
D)  All of the above

Question 6

Before the timing chain can be inspected and removed, the ________ must be removed.

Accepted Answer

A)  Vibration damper
B)  Rocker cover (valve cover) 
C)  Intake manifold (V-type engines only) 
D)  Cylinder head

Question 7

Before removing the piston and rod assembly from the cylinder block, you should do all of these, EXCEPT ________.

Accepted Answer

A)  Install rod bolt protectors
B)  Notch the top of the piston for identification
C)  Remove the cylinder ridge with a ridge reamer
D)  Make sure the rods are marked to their respective cylinders

Question 8

Before the valves are removed from the cylinder head, what operations need to be completed?

Accepted Answer

A)  Remove cylinder head (s)  from the engine
B)  Remove valve locks (keepers) 
C)  Remove burrs from the stem of the valve (s) 
D)  All of the above

Question 9

Technician A says that a minor overhaul can often be done with the engine remaining in the vehicle.Technician B says that a core is required for most remanufactured engines. Which technician is correct?

Accepted Answer

A)  Technician A only
B)  Technician B only
C)  Both technicians A and B
D)  Neither technician A nor B

Question 10

What needs to be removed before the valves can be removed from the cylinder head?

Accepted Answer

A)  The cylinder head from the block
B)  The camshaft, if OHV engine
C)  The valve keepers
D)  Both A and C

Question 11

If the AC system needs to be disconnected, carefully bleed off the refrigerant before removing any lines.

Accepted Answer

A) True 
 B)False

Question 12

Technician A says that lifting hooks should be used when hoisting an engine. Technician B says that engine component parts should only be removed when the engine is at operating temperature. Who is right?

Accepted Answer

A)  Technician A only
B)  Technician B only
C)  Both technicians A and B
D)  Neither technician A nor B

Question 13

Technician A says that a minor overhaul includes performing a valve job. Technician B says that a minor overhaul includes replacing the pistons. Which technician is correct?

Accepted Answer

A)  Technician A only
B)  Technician B only
C)  Both technicians A and B
D)  Neither technician A nor B

Question 14

Cylinder head bolts should be loosened ________.

Accepted Answer

A)  From the middle, working toward the ends of the head
B)  From the exhaust side first, then the intake side
C)  From the ends, working toward the middle of the head
D)  Any of these

Question 15

The wear shown in this engine cylinder is caused by ________.

Accepted Answer

A)  A bent connecting rod
B)  Overheating
C)  The piston rings
D)  None of these

Question 16

When removing the engine only from a vehicle equipped with an automatic transmission, the torque converter normally ________.

Accepted Answer

A)  Stays mounted on the transmission
B)  Must be drained
C)  Is removed attached to the engine engine
D)  Remains connected to the flexplate

Question 17

The ridge at the top of the cylinder ________.

Accepted Answer

A)  Represents a failure of the top piston ring to correctly seal
B)  Means that a crankshaft with an incorrect stroke was installed in the engine
C)  Is caused by the fact that the rings do not travel all the way to the top of the cylinder
D)  Should not be removed before removing pistons except when reboring the cylinders

Question 18

Technician A says that the connecting rod and main bearing caps should be marked before removing to ensure that they can be reinstalled in the exact same location when re-assembled. Technician B says that the tip of the valve stem should be filed before removing valves from the cylinder head to help prevent damage to the valve guide. Who is right?

Accepted Answer

A)  Technician A only
B)  Technician B only
C)  Both technicians A and B
D)  Neither technician A nor B

Question 19

Technician A says that before removing the engine, the battery should be disconnected. Technician B says to assist in reassembly, you should mark all unfamiliar hoses and wires in the engine compartment. Who is right?

Accepted Answer

A)  Technician A only
B)  Technician B only
C)  Both technicians A and B
D)  Neither technician A nor B

Question 20

Technician A says that the intake and exhaust manifolds have to be removed before removing the engine from the vehicle. Technician B says that on FWD vehicles it is often easier to remove the engine from underneath rather than remove the engine from the top of the vehicle. Who is right?

Accepted Answer

A)  Technician A only
B)  Technician B only
C)  Both technicians A and B
D)  Neither technician A nor B

Exam 28: Engine Removal and Disassembly

A valve job restores the valves and seats. This increases manifold vacuum and may cause ________.

Powdered connecting rods can be marked with ________.

After the oil pan (sump) is removed, the technician should inspect ________.

A long block can be made from a short block with the addition of ________.

A short block includes the ________.

Before the timing chain can be inspected and removed, the ________ must be removed.

Before removing the piston and rod assembly from the cylinder block, you should do all of these, EXCEPT ________.

Before the valves are removed from the cylinder head, what operations need to be completed?

Technician A says that a minor overhaul can often be done with the engine remaining in the vehicle.Technician B says that a core is required for most remanufactured engines. Which technician is correct?

What needs to be removed before the valves can be removed from the cylinder head?

If the AC system needs to be disconnected, carefully bleed off the refrigerant before removing any lines.

Technician A says that lifting hooks should be used when hoisting an engine. Technician B says that engine component parts should only be removed when the engine is at operating temperature. Who is right?

Technician A says that a minor overhaul includes performing a valve job. Technician B says that a minor overhaul includes replacing the pistons. Which technician is correct?

Cylinder head bolts should be loosened ________.

The wear shown in this engine cylinder is caused by ________.

When removing the engine only from a vehicle equipped with an automatic transmission, the torque converter normally ________.

The ridge at the top of the cylinder ________.

Technician A says that before removing the engine, the battery should be disconnected. Technician B says to assist in reassembly, you should mark all unfamiliar hoses and wires in the engine compartment. Who is right?

Technician A says that the intake and exhaust manifolds have to be removed before removing the engine from the vehicle. Technician B says that on FWD vehicles it is often easier to remove the engine from underneath rather than remove the engine from the top of the vehicle. Who is right?