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Brakes > Brakes > Flashcards

Brakes Flashcards

1
Q

Why might the brakes pulsate 2,000 miles after preforming a brake job?

A

Because the tech over torqued the lug nuts.

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2
Q

What should you check when the brake shoes are not aligned with the backing plate?

A

The wheel cylinders

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3
Q

When replacing brake lines what type of lines should you ONLY use?

A

Stainless steel lines

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4
Q

When replacing brake lines should you use double or single flares?

A

Always double flares because single cracks and fail over time.

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5
Q

What two things might happen if the damping belt is not installed on a rotor?

A
  • Cause chatter

- Cause a rough surface finish which may cause you to recondition rotors

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6
Q

An ABS harness is damaged by rubbing on the wheel can it be repaired or do you have to replace the entire section of the harness?

A

Replace

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7
Q

A master cylinder that is loosing fluid that you cannot see may be leaking into what?

A

Booster (Bypassing Secondary Seal)

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8
Q

What might be the cause of your brake pedal slowly sinking towards the floor?

A

Master brake cylinder is worn out or leaking internally (bypassing)

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9
Q

If the driver starts noticing steering wanders or looseness in the steering, or maybe hears noice coming from the wheel especially when turning and it’s becoming louder and louder, what might be wrong with the car?

A

Bad wheel bearings

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10
Q

When replacing the master cylinder what might you need a scan tool?

A

To activate the solenoids

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11
Q

What tool might be needed when bleeding the brakes?

A

Scan tool

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12
Q

What should you check on a disk drum brake system when the rear right shoes are badly worn and all the others are good?

A

Check parking brake cables

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13
Q

Why does the cap need to be kept on the brake fluid?

A

So that It doesn’t absorbs water or moisture from the humidity in the air.

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14
Q

What might you be missing if your brake pads are rattling?

A

Clips could be missing or damaged and missing clips might clunk upon braking.

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15
Q

The the brake switch is bad what does the brake switch read all the time?

A

OL (out of limit)

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16
Q

What might techs find if the brake lines are sticking and the master cylinder cap is swollen and the won’t go on?

A

Fluid contamination in the master

17
Q

What happens when the inlet from the master to the multivalve is blocked?

A

Both wheels on that circuit won’t work.

18
Q

What should you do when testing the vacuum booster?

A

Pump the pedal several times and pedal should get firmer this is normal

19
Q

A bad metering valve causes what

A

The vehicle to dive when brakes are applied

20
Q

What light flashes when the tires slip(it’s normal)

A

Yellow TC light flashes

21
Q

What do you do when there is an ABS code?

A

Test the circuit the fault code is on

22
Q

Why might the TCS light be on after replacing steering sensor?

A

Sensor need to be calibrated or initiated

23
Q

Non ABS systems can be diagnosed with what?

A

Pressure gauge

24
Q

Wrong wheel cylinders cause?

A

Brake shoes not to be parallel to the drum

25
Q

Why might the brake pedal be hard?

A

Stuck to the master cylinder piston

26
Q

If wheel cylinder is growing then that means the bearing is in good conditions. TRUE or FALSE

A

FALSE

27
Q

What might be the reason for the brakes to drag after the new master cylinder was put on?

A

Push rod was too long

28
Q

If the right wheel bearing is bad then what might the car start experiencing?

A

Growling nice from the right front getting louder when making left turns

29
Q

If the wheel bearings are loose then the brake pedals feel ___.

A

Soft

30
Q

If the wheel cylinders leaked onto the shoes then what should you do?

A

Replace the shoes

31
Q

If one roller is worn in a wheel bearing and all the others are good what should you do?

A

Replace the bearing and race

32
Q

Metering valve pertains to what?

A

Front brakes

33
Q

Proportion of valves pertains to what?

A

Rear brakes

34
Q

A steering wheel and brake pedal vibrate on a hydro boost system because_________.

A

There’s a bad pump

35
Q

If the vacuum hose to the booster is restricted then there are no what?

A

Power brakes

Brakes (1 decks)

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