Chapter 2

Question 1

Which of the following should not be used to clean aluminum components?

Answer 1

Hot tank

Question 2

If a cylinder block is being cleaned for overhaul, _____ should be removed so that coolant and oil passages can be thoroughly flushed.

Answer 2

expansion and threaded plugs

Question 3

During cylinder block cleaning do not contact _______ with high pressure, steam or water.

Answer 3

any part of you body or skin

Question 4

Dye check is a method of leak detection that:

Answer 4

can be used on all types of materials

Question 5

Before reusing components that have been tested using the magnetic particle or magnaflux method, it is necessary to:

Answer 5

Lean components thoroughly to removed test materials.

Question 6

When pressure testing a cylinder block, it should be immersed in hot water to:

Answer 6

Allow expansion of the cylinder block.

Question 7

The machined surfaces of the cylinder block should be checked for flatness using:

Answer 7

Straight edge

feeler gauge

Question 8

Stripped threads in the cylinder block casting are most commonly repaired using:

Answer 8

helicoils or solid thread inserts

Question 9

Main bearing bores that are misaligned could cause:

Answer 9

Excessive bearing wear

Broken crankshaft

Question 10

Installing the main bearing caps backwards or in the wrong position in the cylinder block will cause:

Answer 10

Misalignment of the bearing bores

Question 11

Main bearing bores should be measured to determine:

Answer 11

Maximum inside dimension
Out of round
Taper

Question 12

Machining the cylinder block deck surface to correct for warpage will:

Answer 12

Decrease the distance between the crankshaft centerline and the block deck.

Question 13

The majority of cylinder wear occurs at:

Answer 13

Top of ring travel, 90 degrees to the crankshaft centerline

Question 14

During the inspection of the cylinder block, the measured taper of the cylinder bores is 0.009” The correct oversized to rebore the cylinder block would be:

Answer 14

0.020”

Question 15

When reconditioning a cylinder bore, a de-glazing hone can be used to:

Answer 15

Restore cylinder wall crosshatch.

Question 16

After honing or deglazing cylinder bores, they should be thoroughly cleaned using:

Answer 16

Hot water detergent and a stiff bristle brush

Question 17

List the two precautions that are necessary when using a screw type liner puller:

Answer 17

Ensure the shoe fits the bottom of the liner correctly and will not catch the block on removal.
Do not position the bridge assembly over holes in, or weak areas, of the block deck surface.

Question 18

To prevent distortion after removal from the cylinder block, liners should be stored:

Answer 18

Vertically

Question 19

Wet liner counterbores should be visually inspected for:

Answer 19

Cracks, erosion and signs of coolant leakage.

Question 20

Liner Cavitation would be best described as:

Answer 20

Pitting on the outer surface of a wet liner.

Question 21

Calculate the installed height of a liner using the following measurements:
Counterbore depth 0.439”
Liner flange thickness 0.441”
Shim Thickness 0.003”

Answer 21

0.005”

Question 22

During the inspection of the cylinder block, all of the counterbores have depth measurements that vary 0.004” The correct service procedure would be to:

Answer 22

Machine the counterbores and use shims to restore liner height.

Question 23

Dry liners which fit the block with too much clearance can be repaired by:

Answer 23

Boring or honing the block for oversized liners.

Question 24

Seal rings on a wet liner that roll or twist on installation can cause:

Answer 24

Distortion of the liner bore.

Question 25

Wet liner seal rings should be:

Answer 25

Just before liner installation.