CERTIFICATION CORRECT 100%
Air in Hydraulic System - ANSWERA spongy brake pedal may be caused by
Excessive tire pressure - ANSWERCan not cause very erratic brake pulling while
applying brakes
Excessive brake pedal travel - ANSWERA power assist brake booster push rod that
is too short will cause
torque the adjusting nut to a specified torque and back off the nut until it lines up with
the hole and install the cotter pin - ANSWERWhen adjusting front wheel bearings,
you
check for ABS or TCS diagnostic trouble codes, or check for ABS or TCS blink
codes by connecting two pins of the Data Link Connector - ANSWERABS and
TRACTION OFF indicator lights remain ON with the engine running.
Standard process by many OEMS when a new rotor is installed - ANSWERNew
rotors are indexed to the hub using a dial indicator for the least amount of runout
ABS light does not go off after engine is started - ANSWERIndicates an ABS fault
and the system will revert to regular brake operation without ABS.
Brake drum machined beyond its limits - ANSWERCan cause brake pedal fade
Repair leak and replace brake linings - ANSWERHow to correctly service brake
linings soaked with axle grease but still have a lot of lining left on them
Metering Valve - ANSWERDisc/Drum system, the front brakes lock up on light pedal
application. This could be caused by a bad:
Seized caliper piston - ANSWERWill NOT cause a low brake pedal
Air in the hydraulic system - ANSWERA spongy brake pedal on a vehicle with 4-
wheel disc brakes with a lower than normal travel indicates
Movement of brake pad during braking - ANSWERCauses disc brake squeal
Incorrect master cylinder pushrod adjustment - ANSWERExcessive pedal travel
before brakes apply is caused by
Properly operating - ANSWERPower brakes that move down slightly when the
engine is started with the brakes applied are