Frames

Question 1

A vehicle drives with the steering wheel off-centre. Inspection reveals a skewed rear axle. The proper repair procedure is to:

a) replace the damaged rear suspension components.
b) cut off one of the rear spring mounts and weld it in the proper position.
c) remove and replace the steering wheel in the straight-ahead position.
d) not repair anything unless the wheels are rubbing

Answer 1

a) replace the damaged rear suspension components

Question 2

The most common type of frame used in modern cars is the:

a) ladder frame
b) cross frame
c) perimeter frame
d) unibody

Answer 2

d) unibody

Question 3

The tracking bar check illustrated in fig 18 shows that the vehicle has:

a) a diamond frame
b) set back on the left side
c) a swayed frame
d) a skewed rear axle

Answer 3

d) a skewed rear axle

Question 4

If one front wheel is positioned rearward from the other, the vehicle is said to have:

a) a diamond frame
b) setback
c) a swayed frame
d) a swung axle

Answer 4

b) setback

Question 5

The unibody is considered especially safe because it:

a) was designed by volvo
b) forms a cage-like safety cell for the occupants
c) is the most rigid frame type
d) always uses air bags

Answer 5

b) forms a cage-like safety cell for the occupants

Question 6

The ladder frame is:

a) the most common frame
b) the safest of all frames
c) often built using channel construction
d) used on all trucks and RWD cars

Answer 6

c) often built using channel construction

Question 7

Stub-frames are located on:

a) both front and rear of some vehicles
b) the front only
c) the rear only
d) perimeter frames only

Answer 7

a) both front and rear of some vehicles

Question 8

A damaged or bent frame can cause:

a) poor handling
b) suspension component wear
c) the steering wheel to be positioned off-centre
d) any of the above

Answer 8

d) any of the above

Question 9

The main reference for measuring vertical distortion in a frame or unitized body is called the:

a) thurst line
b) datum line
c) thrust true line
d) true horizontal

Answer 9

b) datum line

Question 10

The function of the frame is to:

a) support the suspension components
b) protect the occupants
c) keep the wheels in their proper positions
d) perform all of the above

Answer 10

d) perform all of the above

Question 11

Frame twist or sag:

a) cannot be diagnosed without specialized equipment
b) always causes the steering wheel to be positioned off-centre
c) can cause poor fit of body panels
d) can be accurately measured with a tracking bar

Answer 11

c) can cause poor fit of body panels