Deck 50: Engine Removal and Disassembly

Question 1

A good rule of thumb is when a(n) ____________________ is large enough to catch a fingernail moving upward, the engine is a candidate for a rebore and new oversized pistons and rings.

Answer 1

ring ridge

Question 2

A typical torque converter can hold 7 or 8 quarts of transmission fluid.

Answer 2

False

Question 3

Do not disconnect ____. They contain pressurized refrigerant.

A)air cleaners
B)alternators
C)battery cables
D)air-conditioning hoses

Answer 3

D

Question 4

While having a discussion, Technician A says that before beginning engine disassembly, you should make sure that the engine is cold. Technician B says that tearing down a cold engine can cause warped cylinder heads, especially on engines with aluminum heads. Who is correct?

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

Question 5

All of the following statements are true EXCEPT:

A)a ruined transmission oil line should not be repaired with a union.
B)fuel hose will be damaged by automatic transmission fluid.
C)if the car has an automatic transmission, it is usually equipped with a transmission oil cooler (TOC) on the bottom or side of the radiator.
D)many of today's engines do not have belt-driven cooling fans or air pumps for the emission control system.

Question 6

All of the following statements are true EXCEPT:

A)shaft-mounted rockers should be loosened slowly and evenly.
B)the bottoms of lifters often have varnish built up on them in the area that extends out of the lifter bore.This makes them easy to remove.
C)when an OHC head is removed, the camshaft will be holding some of the valves open.
D)some engines use pushrods of varying lengths.

Question 7

A short length of hose open at both ends with a bolt can be installed over a disconnected line to keep fluid from leaking from out.

Question 8

Which of the following statements is LEAST-Likely true?

A)Modern engines use premium piston rings that will not accommodate a worn cylinder bore.
B)If new rings are installed in a cylinder with a ring ridge, the new square ring will strike the rounded edge of the ring ridge and possibly break a piston land.
C)In many areas, laws give the customer the right to inspect all old parts.
D)Main and rod caps are interchangeable.

Question 9

A rusted fastener can sometimes be tightened slightly to help penetrating oil get into the threads.

Question 10

Which of the following statements is LEAST-Likely true?

A)Connecting rods and caps must be marked for identification and must not be reinstalled backwards.
B)When numbering connecting rods on a V-type engine, mark them according to their correct cylinder number as listed in the firing order specifications.
C)Powdered metal connecting rods should be marked using number stamps.
D)Do not file notches on the rod beam.

Question 11

The tool that would MOST-Likely be used to verify that a transmission oil cooler is not restricted is:

A)a blowgun
B)a cam bearing tool
C)a firewall
D)a chain fall

Question 12

Rusted manifold bolts are easier to remove with a(n) ____________________ wrench.

Question 13

While having a discussion, Technician A says that even if fuel does not leak from a fuel line when it is first disconnected, a hot day can cause expansion of the fuel in the tank. Technician B says that temperature has no effect on the fuel tank. Who is correct?

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

Question 14

A(n) ____ can be fastened to the transmission housing to keep the converter in place in the front pump of the transmission.

A)A-Clamp
B)B-Clamp
C)C-Clamp
D)D-Clamp

Question 15

On ____________________ cars, the location of the motor/generator is usually behind the engine.

Question 16

Older R-12 refrigerants turns to deadly phosgene gas if allowed to contact an open flame or an extremely hot metal surface.

Question 17

An average engine has only ____________________ inches bearing clearance.

Question 18

The part that would MOST-Likely be used to remove a rotor magnet is:

A)a blowgun
B)a puller
C)a wrench
D)pliers

Question 19

The crankshaft sprocket or gear is positioned by a woodruff key or bar key on the front of the ____________________.

Question 20

Main caps must be installed in one direction only.

Question 21

Why is it considered ideal for converters without studs to be only 1/8" from the flexplate when pushed as far as possible into the transmission?

Question 22

Why is it better to remove the oil pan before turning the engine over on the stand?

Question 23

How would you remove the cam drive assembly on a push rod engine?

Question 24

Why would a missing or broken ground strap cause a transmission bushing, wheel bearing, or emergency brake cable to burn or fail?

Question 25

Sheet metal parts on engines assembled at the factory are usually vulcanized to the head or block with room temperature vulcanizing (RTV) sealants. How would you remove valve covers and oil pans sealed in this manner?