Deck 10: Cylinder Block - Inspection and Service

Question 1

To check for main bearing bore alignment, Clevite suggests using _____.

A) antiseize compound
B) Prussian blue
C) antimony yellow
D) 518 red

Answer 1

B

Question 2

An ultrasonic thickness gauge is used to check cylinder wall thickness.

Answer 2

False

Question 3

Copper cam bearings must be removed before hot tanking a block.

Answer 3

True

Question 4

An iron block can distort if allowed to hang from one end on an engine stand.

Question 5

After glaze breaking or cylinder honing, clean the block with _____.

A) stoddard solvent
B) Prussian blue
C) acid bath
D) hot soapy water

Question 6

Threaded oil gallery plugs should be coated with RTV silicone before tightening into the block.

Question 7

Technician A says aligning dowels on the back of the block are often hollow. Technician B says off-center aligning dowels can be a source of engine vibration. Who is correct?

A) Technician A
B) Technician B
C) Both technicians
D) Neither technician

Question 8

All of the following are used for chamfering a cylinder EXCEPT a _____.

A) ridge reamer
B) diamond hone
C) chamfering cone
D) boring bar cutter

Question 9

What are the three types of oil gallery plugs?

Question 10

What are the two principal types of glaze breakers?

Question 11

The life expectancy of today's internal engine parts is currently listed at _____ miles.

A) 100,000
B) 150,000
C) 200,000
D) 250,000

Question 12

What is the purpose of the crosshatch?

Question 13

Most oval wear on a cylinder is away from the major thrust side.

Question 14

Technician A says lifter bores can be cleaned with a brake Flex-Hone. Technician B says a lifter that is too loose in its bore will cause oil pressure problems. Who is correct?

A) Technician A
B) Technician B
C) Both technicians
D) Neither technician

Question 15

When re-ringing a block, what is the maximum amount of upper cylinder taper wear allowed by most aftermarket piston ring experts?

Question 16

Technician A says cylinder taper wear causes changes the end gaps of the piston rings to change. Technician B says if there is too much taper wear, out-of-round wear occurs. Who is right?

A) Technician A
B) Technician B
C) Both technicians
D) Neither technician

Question 17

Of the measuring devices listed below, which is the most accurate in measuring cylinder bore size?

A) micrometer
B) telescoping gauge
C) inside micrometer
D) cylinder dial bore gauge

Question 18

Technician A says when glaze breaking a cylinder, you must go from the very top to the very bottom of the cylinder to achieve desired results. Technician B says a drill motor with a speed of 450 rpm works well for deglazing a cylinder. Who is correct?

A) Technician A
B) Technician B
C) Both technicians
D) Neither technician

Question 19

Technician A says installing straight seam cam bearings is best accomplished using an expanding mandrel. Technician B says lubricating the outside of the bearing with 90- or 140-weight oil makes installation much easier. Who is right?

A) Technician A
B) Technician B
C) Both technicians
D) Neither technician