Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 51, Problem 4MC
In the unapplied position, drum brake shoes arc held against the anchor pin by the.
- holddown springs
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In the unapplied position, drum brake shoes areheld against the anchor pin by the ___.a. holddown springsb. star wheel adjusterc. shoe holddownd. return springs
A self-adjuster screw mechanism (star wheel) can be positioned on either the left or the right side of the vehicle.
which of the following statements about drum brakes equipped with star wheel automatic adjuster is correct? a) the adjustment mechanism is located on the primary shoe b)they are set to adjust when the vehicle is moving forward c)the adjustment mechanism is located at secondary shoe d)they automatically adjust when the brakes are not applied
Chapter 51 Solutions
Automotive Technology
Ch. 51 - Name the two methods of attaching brake lining...Ch. 51 - Explain how drum brakes create a self-multiplying...Ch. 51 - List at least five separate types of wear and...Ch. 51 - What is the job of wheel cylinder stops?Ch. 51 - Explain the operation of an integral drum brake...Ch. 51 - Prob. 6SACh. 51 - True or False? Backing plates, struts, levers, and...Ch. 51 - True or False? The name duo-servo drum brake is...Ch. 51 - In a typical drum brake, which component provides...Ch. 51 - Which of the following statements about drum brake...
Ch. 51 - Brake linings should be replaced when. linings are...Ch. 51 - In the unapplied position, drum brake shoes arc...Ch. 51 - Duo-servo drum brakes are also known as what type...Ch. 51 - On most vehicles, the automatic adjuster cables or...Ch. 51 - A buildup of brake dust and dirt between the...Ch. 51 - Technician A says that an out-of-round drum can...Ch. 51 - Technician A says that a grinding noise from a...Ch. 51 - It has been determined that chatter and brake pull...Ch. 51 - Technician A says that the discard dimension of a...Ch. 51 - After resurfacing a brake drum: Technician A...Ch. 51 - Drum linings are badly worn at their heel and toe:...Ch. 51 - When machining brake drums: Technician A tries to...Ch. 51 - While discussing what would happen if too much...Ch. 51 - Technician A checks the surface of the drum for...Ch. 51 - While discussing pull during braking: Technician A...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Which of the following statements about drum brake shoes is not true? a. Linings may be riveted or bonded to the shoes. b. Shoe indentions hold the shoe in place against the backing plate. c. The shoe rim supports the shoe lining. d. The primary/leading shoe is typically the one that is positioned toward the front of the vehicle.arrow_forwardOn most vehicles, the automatic adjuster cables or levers are. installed on the secondary shoe set up to operate when the brakes are applied as the vehicle moves forward installed on the primary shoe set up to operate when the brakes are not appliedarrow_forward2) Brief the usage of simple band brake with an application.arrow_forward
- When machining brake drums: Technician A tries to remove only enough metal to obtain a true, smooth surface. Technician B cuts the drum on the other side of the axle to the same diameter as the one that was cut first. Who is correct? Technician A only Technician B only Both A and B Neither A nor Barrow_forwardWhich of the following is NOT a component of a typical dual master cylinder? a. primary piston b. piston stop bolt c. pressure relief valve d. secondary cup Brake hoses are typically rigid steel lines used to transmit brake fluid pressure. True or False? A master cylinder that has a bulge at the rear, near the mounting flange, is a _____type master cylinder.arrow_forwardWhich of the following statements about drum brakeshoes is not true?a. Web thickness varies only with changes in shoesize.b. Many shoes have indented places along the edgeof the rim.c. The shoe rim is welded to the web.d. The primary/leading shoe is typically the one thatis positioned toward the front of the vehiclearrow_forward
- A tire that wobbles from side-to-side is said to have -----· a.radial runout b.lateral runout c.static imbalance d.none of the abovearrow_forwardOn most vehicles, the automatic adjuster cablesor levers are ___.a. installed on the secondary shoeb. set up to operate when the brakes areapplied as the vehicle moves forwardc. installed on the primary shoed. set up to operate when the brakes are notappliedarrow_forwardTechnician A says that flare nut or line wrenches should be sued to loosen or tighten brake line or tubing fittings Technician B says that open-end wrenches will surround the fitting's nut and provide a positive grip on the fitting. Who is correct? Group of answer choices Technician A only Technician B only Both Technicians A and B Neither A nor Barrow_forward
- True or False? Disc brakes are not as likely to fade during heavy braking as are drum brakes.arrow_forwardWhile discussing quick take-up master cylinders: Technician A says that this design allows for increased braking power. Technician B says that this design is only used on drum brake systems. Who is correct? Technician A only Technician B only Both A and B Neither A nor Barrow_forwardTrue or False? When servicing the steering wheel or column, disconnect and remove the clockspring to make sure it is in good shape before reusing itarrow_forward
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