Deck 28: Engine Removal and Disassembly

Question 1

A short block includes the ________.

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

Answer 1

All of the above

Question 2

When removing cylinder heads, the fasteners should be removed in what order?

A)The same order as the specified tightening sequence
B)The reverse order of tightening
C)Any order
D)All fasteners loosened slightly in the same order as the tightening sequence and then removed in any order

Answer 2

The reverse order of tightening

Question 3

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

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

Answer 3

Cylinder heads and valve train

Question 4

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

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

Question 5

With the rocker cover (valve cover) removed, the technician can inspect all items EXCEPT ________.

A)Valve stems and pushrods (overhead valve engines only)
B)Rocker arms and valve spring
C)Combustion chamber deposits
D)Camshaft (overhead camshaft engine only)

Question 6

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

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

Question 7

The ridge at the top of the cylinder ________.

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 8

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

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

Question 9

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

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 10

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?

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

Question 11

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?

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

Question 12

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?

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 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?

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

Question 14

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?

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

Question 15

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

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 16

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

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 17

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?

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

Question 18

Powdered connecting rods can be marked with ________.

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

Question 19

Cylinder head bolts should be loosened ________.

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 20

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

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

Question 21

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

Question 22

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

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