Brakes Flashcards
(35 cards)
Why might the brakes pulsate 2,000 miles after preforming a brake job?
Because the tech over torqued the lug nuts.
What should you check when the brake shoes are not aligned with the backing plate?
The wheel cylinders
When replacing brake lines what type of lines should you ONLY use?
Stainless steel lines
When replacing brake lines should you use double or single flares?
Always double flares because single cracks and fail over time.
What two things might happen if the damping belt is not installed on a rotor?
- Cause chatter
- Cause a rough surface finish which may cause you to recondition rotors
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?
Replace
A master cylinder that is loosing fluid that you cannot see may be leaking into what?
Booster (Bypassing Secondary Seal)
What might be the cause of your brake pedal slowly sinking towards the floor?
Master brake cylinder is worn out or leaking internally (bypassing)
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?
Bad wheel bearings
When replacing the master cylinder what might you need a scan tool?
To activate the solenoids
What tool might be needed when bleeding the brakes?
Scan tool
What should you check on a disk drum brake system when the rear right shoes are badly worn and all the others are good?
Check parking brake cables
Why does the cap need to be kept on the brake fluid?
So that It doesn’t absorbs water or moisture from the humidity in the air.
What might you be missing if your brake pads are rattling?
Clips could be missing or damaged and missing clips might clunk upon braking.
The the brake switch is bad what does the brake switch read all the time?
OL (out of limit)
What might techs find if the brake lines are sticking and the master cylinder cap is swollen and the won’t go on?
Fluid contamination in the master
What happens when the inlet from the master to the multivalve is blocked?
Both wheels on that circuit won’t work.
What should you do when testing the vacuum booster?
Pump the pedal several times and pedal should get firmer this is normal
A bad metering valve causes what
The vehicle to dive when brakes are applied
What light flashes when the tires slip(it’s normal)
Yellow TC light flashes
What do you do when there is an ABS code?
Test the circuit the fault code is on
Why might the TCS light be on after replacing steering sensor?
Sensor need to be calibrated or initiated
Non ABS systems can be diagnosed with what?
Pressure gauge
Wrong wheel cylinders cause?
Brake shoes not to be parallel to the drum
