Deck 4: Engine Removal, Disassembly, Inspection, and In-Chassis Repairs

Question 1

Technician A says that all vehicles have vacuum diagrams under the hood and there is no need to mark the vacuum lines. Technician B says that for late model vehicles, microfiche will have all the information you need to rebuild the engine. Who is right?

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

Answer 1

D

Question 2

Technician A says that there is a correct sequence to follow when removing head bolts. Technician B says that when a cylinder wears, a ridge forms at the bottom of the cylinder. Who is right?

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

Answer 2

A

Question 3

During engine removal with an automatic transmission, the torque converter stays with the engine.

Answer 3

False

Question 4

What causes the ridge at the top of a cylinder?

Question 5

For passenger vehicles manufactured for sale in the United States (domestic cars), where is the VIN located?

Question 6

Technician A says that a faulty head gasket often points to the need for head surfacing. Technician B says that a Teflon head gasket will often be brown, indicating excessive temperatures.Who is right?

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

Question 7

Technician A says that the ring ridge does not need to be removed if the pistons come out of the block easily. Technician B says that when installing a flywheel ring gear, heat it until it is red hot. Who is right?

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

Question 8

Technician A says to label the core plugs as they are removed so they can be reinstalled. Technician B says to remove the core plugs before hot tanking the block. Who is correct?

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

Question 9

The tenth digit of the VIN code will identify the engine size.

Question 10

Technician A says that during engine disassembly, all main and rod bearings should be kept in order in case they will be reused. Technician B says that there is no need to keep bearings in order if new parts are to be used. Who is right?

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

Question 11

How would you protect the crankshaft when removing pistons and rods?

Question 12

A flexplate is used with a manual transmission.

Question 13

Technician A says that it is alright to disconnect the air conditioning lines and drain the refrigerant in a pan. Technician B says that certification is required to operate a refrigerant recycling machine. Who is right?

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

Question 14

While discussing an in-vehicle engine repair, Technician A says that sometimes the engine mounts need to be loosened to remove the oil pan. Technician B says that sometimes the oil pump must be unbolted in order to remove the oil pan. Who is right?

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

Question 15

What information is included on an under-hood emission control label?

Question 16

The engine has to be removed to replace a rear main (crankshaft) oil seal.

Question 17

What is a "fitted block?"

Question 18

Technician A says that to identify a vehicle all you need to know is the make and model. Technician B says that the VIN code can be found in the owner's manual. Who is right?

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

Question 19

List four reasons that the repair order (R.O.) is important.

Question 20

The engine should be cold before removing the head.

Question 21

Why should the oil pan be removed before turning the engine over (upside down) when mounted on an engine stand?

Question 22

What is installed on rod bolts to protect the crank when removing the piston and rod assembly?

Question 23

How can metal be checked to see if it is safe to clean in a caustic cleaner?

Question 24

Describe three ways to turn the crankshaft.
A.
B.
C.

Question 25

Technician A says to use an air impact wrench to remove rusted exhaust nuts. Technician B says that when installing a flywheel ring gear, heat it until it is red hot. Who is right?

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

Question 26

Technician A says that the vibration damper is removed with a puller that grasps the damper's outer ring. Technician B says that when an air impact wrench is used on a puller to remove the vibration damper, the crankshaft need not be kept from turning. Who is right?

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

Question 27

Besides measuring it, how can a piston be checked to see if it is oversized?

Question 28

What name describes a used crankshaft and camshaft when they are to be returned to the parts house when a complete engine kit is purchased?

Question 29

Technician A says that one reason all main and rod bearings should be kept in order during engine disassembly is in case they will be reused. Technician B says that there is no need to keep bearings in order if new parts are to be used. Who is right?

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

Question 30

Technician A says that it is usually easier to remove the engine with the automatic transmission on a rear-wheel drive car. Technician B says to disconnect the positive battery cable first. Who is right?

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

Question 31

If non-roller lifters will be used again, what caution is necessary?

Question 32

Can core plugs be reinstalled after they have been removed?

Question 33

Which character of the VIN on a domestic car tells the engine code?

Question 34

What part usually connects the engine to the fire wall or bulkhead electrically?

Question 35

Technician A says that cylinder heads are more easily removed after warming up the engine. Technician B says that to avoid warping the head, the engine must be cold before removing it. Who is right?

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

Question 36

What is another common name for the Parts and Time Guide used to determine the length of time to complete a job?

Question 37

Why should air-conditioning lines not be disconnected?

Question 38

What are bulletins that are produced by manufacturers and associations called?

Question 39

What number is used by manufacturers to identify a particular vehicle?

Question 40

Why must a fuel line be plugged even if no fuel leaks out when it is disconnected?

Question 41

Technician A says that a freewheeling engine is one that does not slow the vehicle down when decelerating. Technician B says that a freewheeling engine is one in which the valves cannot contact the pistons if the timing chain or belt breaks. Who is right?

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

Question 42

Technician A says that an automatic transmission heat exchanger is often located within the radiator. Technician B says that an automatic transmission heat exchanger is often found in the bottom of a radiator. Who is right?

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

Question 43

Technician A says that when using a flare-nut wrench, two wrenches must often be used. Technician B says to use an open-end wrench on fuel fittings. Who is right?

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

Question 44

Technician A says to check the cylinder bores for size, taper, and out-of-round wear. Technician B says to check the crankshaft journals for size, taper, and out-of-round wear. Who is right?

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

Question 45

Technician A says that some crankshaft sprockets slide easily onto the crankshaft snout. Technician B says that some crankshaft sprockets are pressed-fit. Who is right?

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