Question 1

Technician A says that a road test should never be performed before service, for safety reasons. Technician B says that the purpose of any diagnosis is to eliminate known good components. Which technician is correct?

Accepted Answer

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

Question 2

Technician A says to install press-fit ball joints using a hammer on the ball joint housing to seat the ball joint in the control arm. Technician B says that a tool resembling a large C-clamp should be used to press ball joints in and out. Which technician is correct?

Accepted Answer

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

Question 3

Technician A says that the two main links in an SLA suspension are the upper control arm and the lower control arm. Technician B says that front suspensions with MacPherson struts usually have only one control arm. Which technician is correct?

Accepted Answer

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

Question 4

Technician A says that a dry park test should be performed as part of the diagnosis. Technician B says that the dry park test should be performed with one technician moving the steering wheel while another watches and feels for movement in steering and suspension components. Which technician is correct?

Accepted Answer

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

Question 5

A dry park test can be useful to diagnose which of the following?

Accepted Answer

A) Ball joint movement 
B) Front wheel bearing failure 
C) Control arm bushing wear 
D) All of these are correct

Question 6

Technician A says that wear indicator ball joints should be unloaded to check properly. Technician B says that wear indicator ball joints should be checked with the weight of the vehicle on the ground. Which technician is correct?

Accepted Answer

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

Question 7

Two technicians are discussing non-indicator type ball joint inspection. Technician A says that the vehicle should be on the ground with the ball joints loaded, then checked for free play. Technician B says the ball joints should be unloaded before checking for free play. Which technician is correct?

Accepted Answer

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

Question 8

Technician A says that torsion bars are welded in place and cannot be adjusted. Technician B says that torsion bars are adjusted by using a wrench to turn the torsion bar clockwise. Which technician is correct?

Accepted Answer

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

Question 9

To help prevent vehicle wandering on a vehicle with torsion bars, the ride height should be within ________ side to side.

Accepted Answer

A) 0.125 in. (3.2 mm) 
B) 0.100 in. (2.5 mm) 
C) 0.003 in. (0.076 mm) 
D) 0.050 in. (1.27 mm)

Question 10

A light film of oil is observed on the upper area of a shock absorber. Technician A says that this condition should be considered normal. Technician B says that a rod seal may bleed fluid during cold weather, causing the oil film. Which technician is correct?

Accepted Answer

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

Question 11

Before the strut cartridge can be removed from a typical MacPherson strut assembly, which operation is necessary to prevent possible personal injury?

Accepted Answer

A) The brake caliper and/or brake hose should be removed from the housing 
B) The lower attaching bolts should be removed 
C) The coil spring should be compressed 
D) The upper strut mounting bolts should be removed

Question 12

The preferred method to separate tapered chassis parts is to use ________.

Accepted Answer

A) A puller tool or two hammers to shock and separate the taper 
B) A pickle fork 
C) A torch to heat the joint until it separates 
D) A drill to drill out the tapered part

Exam 113: Front Suspensions and Service

Technician A says that a road test should never be performed before service, for safety reasons. Technician B says that the purpose of any diagnosis is to eliminate known good components. Which technician is correct?

Technician A says to install press-fit ball joints using a hammer on the ball joint housing to seat the ball joint in the control arm. Technician B says that a tool resembling a large C-clamp should be used to press ball joints in and out. Which technician is correct?

Technician A says that the two main links in an SLA suspension are the upper control arm and the lower control arm. Technician B says that front suspensions with MacPherson struts usually have only one control arm. Which technician is correct?

A dry park test can be useful to diagnose which of the following?

Technician A says that wear indicator ball joints should be unloaded to check properly. Technician B says that wear indicator ball joints should be checked with the weight of the vehicle on the ground. Which technician is correct?

Technician A says that torsion bars are welded in place and cannot be adjusted. Technician B says that torsion bars are adjusted by using a wrench to turn the torsion bar clockwise. Which technician is correct?

To help prevent vehicle wandering on a vehicle with torsion bars, the ride height should be within ________ side to side.

A light film of oil is observed on the upper area of a shock absorber. Technician A says that this condition should be considered normal. Technician B says that a rod seal may bleed fluid during cold weather, causing the oil film. Which technician is correct?

Before the strut cartridge can be removed from a typical MacPherson strut assembly, which operation is necessary to prevent possible personal injury?

The preferred method to separate tapered chassis parts is to use ________.