Hydraulic System DIagnosis and Repair
Exam Q&A 100% Solved | Rated A+
A spongy brake pedal may be caused by: - ✔✔Air in the hydraulic system
d - Air causes a gap in the hydraulic fluid flow because the fluid has to
compress the air before it can apply the piston. This delay causes the
spongy feel. The other choices do not affect this concern.
This question is not like the others. It has the word EXCEPT. For this
question, look for the choice that could NOT cause the described situation.
Read the entire question carefully before choosing your answer. A vehicle
has a very erratic brake pulling concern while applying the brakes. All of the
following items could cause this erratic pull EXCEPT:
Excessive tire pressure b. Four-wheel alignment c. Seized caliper piston on
the other side d. Steering gear problem - ✔✔a. Excessive tire pressure
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, Excessive tire pressure is the exception because this fault will cause tire
wear but not a pull. Low or uneven tire pressure can cause a pull.
3. The brakes are being bled on an older vehicle equipped with a quick
take up valve in the master cylinder. Technician A says the quick take up
valve must be depressed. Technician B says the brakes on this vehicle
cannot be bled. Who is right? - ✔✔Neither A nor B
- Both technicians are wrong. The brakes on quick take up systems use the
same bleeding procedure as those without this valve.
A power assist brake booster push rod that is to short will cause which of
the following? - ✔✔Excessive brake pedal travel
- A short push rod length will have to travel farther for contact and result in
excessive pedal travel.
This question is not like the others. It has the word EXCEPT. For this
question, look for the choice that could NOT cause the described situation.
Read the entire question carefully before choosing your answer. Excessive
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