Keywords
ABS
Symptoms
Symptoms
General
100

Soft brake pedal 

What is air? 

100

HCU 

What is hydraulic control unit? 

100

Disconnected brake booster vacuum hose

What is a hard pedal? 

100

Brake pulling to the right 

What is a problem on the left? 

100

How we measure lateral runout? 

What is a dial indicator? 

200

Hard brake pedal 

What is brake booster? 

200

What type of signal does a wheel speed sensor produce? 

What is an AC signal?

200

Leaking wheel cylinder 

What is a soft pedal or external brake fluid leak? 

200

How you would diagnose a bad right front wheel bearing? 

What is turning to the left? 

200

How do we measure rotor minimum thickness? 

What is an outside micrometer? 

300

Nose Dive 

What is metering valve? 

300

What monitors wheel speed? 

What is a wheel speed sensor? 

300
Pulling to the left while braking 

What is a problem on the right? 

300

What happens when you replace a brake hose and reuse the old copper washer? 

What is an external brake fluid leak? 

300

Can excessive rust on a hub cause lateral runout? 

What is true? 

400

Rear brakes locking up 

What is proportioning valve?

400

What gives the ABS wheel speed sensor its signal? 

What is an exciter or reluctor ring? 

400

Growling noise while driving 

What is bad wheel bearings? 

400

What happens when the brake booster vent is clogged? 

What is the brakes are still applied with your foot off the pedal? 

400

What holds the castle nut in place? 

What is a cotter pin? 

500

Hydroboost 

What is power steering? 

500

Another name for wheel speed sensor 

What is permanent magnet sensor? 

500

Internally bypassing master cylinder 

What is a soft pedal? 

500
What happens when a tooth is broken off a reluctor ring? 

What is the amber ABS light comes on? 

500

What holds floating brake drums to the hub? 

What is speed nuts?