Question 1

How does positive caster provide increased directional stability?

Accepted Answer

The answer of How does positive caster provide increased directional...

Question 2

Excessive toe-in on the front wheels causes wear on the inside edge of the tire treads.

Accepted Answer

A) True 
 B)False

Question 3

Technician A says a jack-and-hold feature on some computer wheel aligners allows the technician to lift one side of the suspension with a jack while maintaining accurate alignment readings on the screen. Technician B says when using a computer wheel aligner, the technician may print out any screen at any time. Who is correct?

Accepted Answer

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

Question 4

If the front suspension height is lowered on a McPherson strut suspension, what effect will this have on front wheel caster?

Accepted Answer

The answer of If the front suspension height is lowered...

Question 5

Some computer wheel aligners provide a ride height screen indicating where the ride height should be measured.

Accepted Answer

A) True 
 B)False

Question 6

Technician A says if the front wheels have a toe-out condition, the distance between the front edges of the tires is greater than the distance between the rear edges of the tires. Technician B says many front-wheel drive cars have a slight toe-out setting because driving forces tend to move the front wheels to a toe-in position. Who is correct?

Accepted Answer

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

Question 7

Describe toe-out.

Accepted Answer

The answer of Describe toe-out....

Question 8

When one of the front wheels strikes a road irregularity, the steering suddenly veers to the right or left on a vehicle with a parallelogram steering linkage. The most likely cause of this problem is:

Accepted Answer

A)  Worn-out shock absorbers 
B)  A weak stabilizer bar 
C)  Sagged coil springs 
D)  Center link that is not level

Question 9

Technician A says a tire pressure check is not required before a wheel alignment. Technician B says a front wheel bearing play should be checked before a wheel alignment. Who is correct?

Accepted Answer

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

Question 10

What term refers to the tendency of a vehicle to travel in a straight-ahead direction without being steered?

Accepted Answer

The answer of What term refers to the tendency of...

Question 11

Caster adjustments may be provided by all of these methods EXCEPT:

Accepted Answer

A)  Adjusting tie-rod length 
B)  Adjusting strut rod length 
C)  Upper control arm shims 
D)  Upper control arm eccentrics

Question 12

The thrust line is an imaginary line positioned at a 90 degree angle to the rear wheel centerline and projected forward.

Accepted Answer

A) True 
 B)False

Question 13

Technician A says front wheel toe should be measured with the front wheels in the straight-ahead position. Technician B says excessive front wheel toe-in causes steering pull to the right. Who is correct?

Accepted Answer

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

Question 14

When measuring front suspension caster angles, what must you do to the vehicle?

Accepted Answer

The answer of When measuring front suspension caster angles, what...

Question 15

Technician A says on many rear-wheel drive cars, the front wheels are set to a slight toe-in position. Technician B says the driving forces on a rear-wheel drive car tend to move the front wheels to a toe-in position. Who is correct?

Accepted Answer

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

Question 16

All of these statements about excessive negative camber on the right-front wheel are true EXCEPT:

Accepted Answer

A)  It causes wear on the inside edge of the tire tread 
B)  It causes harsh ride quality 
C)  It may cause steering pull to the left 
D)  It causes an improper included angle

Question 17

What effect do sagging front springs have when the steering linkage is positioned behind the steering axle of the front wheels?

Accepted Answer

The answer of What effect do sagging front springs have...

Question 18

All of these statements about negative caster are true EXCEPT:

Accepted Answer

A)  It reduces steering effort 
B)  It decreases steering wheel return force 
C)  It decreases directional stability 
D)  It causes harsh ride quality

Question 19

Excessive toe-out on the right-rear wheel causes all of these problems EXCEPT:

Accepted Answer

A)  Feathered tire tread wear 
B)  Steering pull to the left 
C)  Incorrect thrust angle 
D)  Incorrect right-rear camber angle

Question 20

Excessive toe-in on the left-rear wheel moves the thrust line in what direction compared to the geometric centerline of the vehicle?

Accepted Answer

The answer of Excessive toe-in on the left-rear wheel moves...

Exam 9: Four Wheel Alignment Part 1 Primary Angles

How does positive caster provide increased directional stability?

Excessive toe-in on the front wheels causes wear on the inside edge of the tire treads.

If the front suspension height is lowered on a McPherson strut suspension, what effect will this have on front wheel caster?

Some computer wheel aligners provide a ride height screen indicating where the ride height should be measured.

Describe toe-out.

When one of the front wheels strikes a road irregularity, the steering suddenly veers to the right or left on a vehicle with a parallelogram steering linkage. The most likely cause of this problem is:

Technician A says a tire pressure check is not required before a wheel alignment. Technician B says a front wheel bearing play should be checked before a wheel alignment. Who is correct?

What term refers to the tendency of a vehicle to travel in a straight-ahead direction without being steered?

Caster adjustments may be provided by all of these methods EXCEPT:

The thrust line is an imaginary line positioned at a 90 degree angle to the rear wheel centerline and projected forward.

Technician A says front wheel toe should be measured with the front wheels in the straight-ahead position. Technician B says excessive front wheel toe-in causes steering pull to the right. Who is correct?

When measuring front suspension caster angles, what must you do to the vehicle?

Technician A says on many rear-wheel drive cars, the front wheels are set to a slight toe-in position. Technician B says the driving forces on a rear-wheel drive car tend to move the front wheels to a toe-in position. Who is correct?

All of these statements about excessive negative camber on the right-front wheel are true EXCEPT:

What effect do sagging front springs have when the steering linkage is positioned behind the steering axle of the front wheels?

All of these statements about negative caster are true EXCEPT:

Excessive toe-out on the right-rear wheel causes all of these problems EXCEPT:

Excessive toe-in on the left-rear wheel moves the thrust line in what direction compared to the geometric centerline of the vehicle?