CDX - Chapter 47: Drum Brake Systems/ 67 Q&A/ Already Graded A+ Terms like:
_____ are installed so the direction they are applied is the same as the forward rotation of the drum. - Answer: Leading shoes
The backing plate is made from stamped _____ and is bolted to the steering or suspension ...
CDX - Chapter 47: Drum Brake Systems/ 67
Q&A/ Already Graded A+
_____ are installed so the direction they are applied is the same as the forward rotation of the
drum. - Answer: Leading shoes
The backing plate is made from stamped _____ and is bolted to the steering or suspension
components. - Answer: Steel
The leading/trailing shoe drum brake system is very common on the _____ wheels of _____ -
wheel drive vehicles due to their equal braking forces in both the forward and reverse direction.
- Answer: Rear; front
Technician A says that when drum brakes are applied, brake shoes are moved outward against a
rotating brake drum. Technician B says that drum brakes are used on the rear of many vehicles
today. Who is correct? - Answer: Both A and B
The wheel cylinder is attached to the _____. - Answer: Backing plate
Page 1 of 9
, Wheel cylinder housings are usually made of _____ or aluminum alloy, and they operate under
extreme pressures and temperatures. - Answer: Cast iron
Dual-acting wheel cylinders use a common cylinder with a _____ in each end. - Answer: Piston;
lip seal
Bonded brake linings are less common on light-duty vehicles because they are more expensive
to build. - Answer: False
Specialty springs are all made in one specific shape and are only used to push components into
proper position. - Answer: False
If there is a concern related to the _____ that requires a test drive, extreme caution is required
so that an accident doesn't happen as it operates only during extreme braking or poor traction
conditions. - Answer: ABS
What does drum brake diagnosis start with? - Answer: Understanding the customer's concern
When diagnosing drum brakes, once you understand the customer's concern, a _____ is usually
needed to verify the accuracy of the concern. - Answer: Test drive
Tech A states that is not required for the technician to take the customer on the test drive when
diagnosing drum brake problems. Tech B states that during the test drive, one should find a safe
place to operate the brakes at a variety of speeds with a variety of brake pedal pressures. Who
is correct? - Answer: Tech B
_____ is used to adjust brake shoes when the drum is installed. - Answer: Brake spoon
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