MECHANICAL AND ELECTRICAL COMPONENTS (TEST B5) QUESTIONS AND ANSWERS | EXAM
PREP 2026/2027
After collision repairs, a unitized body vehicle with rack and pinion steering binds when turning
right. Which of these could be the cause? - ✔✔A bent rack gear
Technician A says that a bent MacPherson strut rod can be seen when it is rotated from the top.
Technician B says that a bent MacPherson strut rod can cause a toe problem. Who is right? -
✔✔Both A and B
Technician A says that the coolant recovery system keeps excess coolant from being lost.
Technician B says that the coolant recovery system returns coolant when the cooling system
goes into a vacuum. Who is right? - ✔✔Both A and B
When bleeding power brakes, a technician should first: - ✔✔check the master cylinder fluid
level.
Technician A says that minor bulging of a flexible brake line during bleeding is ok. Technician B
says that flexible brake lines may be repaired in the shop. Who is right? - ✔✔Neither A nor B
. During A/C recovery, 1.0 oz. of oil has been removed from the system. Which of these is the
correct procedure? - ✔✔Replace the oil with new oil
Technician A says that the vehicle must be realigned after replacing damaged rear suspension
parts. Technician B says that the underbody dimensions must be checked when replacing
damaged rear suspension parts. Who is right? - ✔✔Both A and B
The caster on the left side of a unibody vehicle is out of specs. The LEAST likely cause is a: -
✔✔Bent idler arm
PREP 2026/2027
After collision repairs, a unitized body vehicle with rack and pinion steering binds when turning
right. Which of these could be the cause? - ✔✔A bent rack gear
Technician A says that a bent MacPherson strut rod can be seen when it is rotated from the top.
Technician B says that a bent MacPherson strut rod can cause a toe problem. Who is right? -
✔✔Both A and B
Technician A says that the coolant recovery system keeps excess coolant from being lost.
Technician B says that the coolant recovery system returns coolant when the cooling system
goes into a vacuum. Who is right? - ✔✔Both A and B
When bleeding power brakes, a technician should first: - ✔✔check the master cylinder fluid
level.
Technician A says that minor bulging of a flexible brake line during bleeding is ok. Technician B
says that flexible brake lines may be repaired in the shop. Who is right? - ✔✔Neither A nor B
. During A/C recovery, 1.0 oz. of oil has been removed from the system. Which of these is the
correct procedure? - ✔✔Replace the oil with new oil
Technician A says that the vehicle must be realigned after replacing damaged rear suspension
parts. Technician B says that the underbody dimensions must be checked when replacing
damaged rear suspension parts. Who is right? - ✔✔Both A and B
The caster on the left side of a unibody vehicle is out of specs. The LEAST likely cause is a: -
✔✔Bent idler arm
