Deck 14: Undercar Inspection and Service

Question 1

____ is the term used to define the up-and-down or side-to-side movement of a rotating tire.

A)Tread wear
B)Runout
C)Zerk fitting
D)Feathered edge

Answer 1

B

Question 2

All of the following statements are true EXCEPT:

A)Replacement of CV joint seals usually requires removal of the axle.However, disassembly of the entire joint is not necessary.
B)E.P.gear oils contain zinc.
C)Sometimes CV joint boots tear or rub on something and become damaged.
D)Front-wheel-drive vehicles have CV joints at each end of their two drive axles.

Answer 2

A

Question 3

____ do not normally function unless the car has been driven in extremely rough conditions or if the shock absorbers are worn out.

A)Brake lines
B)Hypoid gears
C)Rubber bump stops
D)Cylinders

Answer 3

C

Question 4

Overinflation results in excessive outer tread wear.

Question 5

____________________ leaks can result in carbon monoxide poisoning of passengers riding in a vehicle.

Question 6

Do not lubricate rubber parts with oil; it will rapidly deteriorate a rubber bushing.

Question 7

Worn ball joints or other front suspension parts that cause looseness can result in cupped wear of the tire tread.

Question 8

Which of the following is LEAST-Likely a component of a hand-held grease gun?

A)Spring-loaded piston
B)Lubricating cartridge
C)Nozzle
D)Cylinder

Question 9

All of the following are components of a universal joint EXCEPT:

A)differential
B)flange
C)driveshaft
D)transaxle

Question 10

The wheels must be supported when removing shocks from rear-wheel-drive vehicles with coil springs.

Question 11

Which of the following is LEAST-Likely to be described as a pivot point?

A)Ball-joint
B)Tie-rod end
C)Catalytic converter
D)CV joint

Question 12

Uneven wear on the tire tread or a feathered edge across the entire tread indicates the need for a(n) ____________________.

Question 13

Automobile chassis lubrication grease is liquid petroleum oil, turned into a semi-fluid by adding a metallic soap ____________________ like aluminum or lithium.

Question 14

____________________ has a consistency that allows it to be applied through a zerk fitting with a grease gun.

Question 15

While having a discussion, Technician A says that physical damage to a shock is cause for replacement of that shock only. Technician B says that both shocks on that end of the vehicle should be replaced because shocks are always replaced in pairs. Who is correct?

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

Question 16

The type of grease that will MOST-Likely satisfy the requirements of chassis, wheel bearing, and universal joint lubricants is:

A)multipurpose grease
B)molybdenum grease
C)graphite grease
D)oil

Question 17

The MOST-Likely indication that there may be a need for a wheel balance or a suspension system repair is/are:

A)feathered edge across the entire tread
B)runout
C)uneven wear on the tire tread
D)bald spots

Question 18

While having a discussion, Technician A says that worn or damaged bumper stops often indicate a need for shock absorber replacement. Technician B says that it actually indicates that the ball joint seal needs to be replaced. Who is correct?

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

Question 19

On front-wheel-drive vehicles, a differential is located between the rear wheels.

Question 20

In rear-wheel-drive vehicles, differentials have curved ____________________ and use SAE 90 E.P. gear oil.

Question 21

How would you test an exhaust system for leaks?

Question 22

How would you test a U-joint for damage?

Question 23

When conducting a visual inspection of a tire, how would you know that the tire may have been run with too much air pressure?

Question 24

Where would you check for leaks on a metal brake line?

Question 25

Steel brake tubing runs from the front to the rear of the vehicle. Rubber hoses provide a flexible connection from the steel brake tubing to the brake system hydraulic components. Why are flexible rubber connections required?