Isolating Brake Problems
Before a road test, what should you check on the brake pedal?
What is brake pedal feel?
What document provides the manufacturer's recommended tire size and inflation pressure?
What is the tire placard?
What is the main job of a wheel bearing?
What is allowing the wheel to spin with little friction?
What suspension parts allow suspension and steering movement while helping control tire angles?
What are ball joints?
What tightening pattern should be used when installing wheel fasteners?
What is a criss-cross or star pattern?
During a road test, what are two things you should look, listen, and feel for?
What are pulling/drifting, steering wheel movement, brake pedal movement, or brake noise?
DAILY DOUBLE
What can worn, mismatched, or improperly inflated tires cause besides normal tire problems?
What are braking problems, including ABS and VSC problems?
What type of wheel bearing is commonly serviced as a sealed or unitized bearing?
What is a ball bearing?
What can worn ball joints cause?
What are changes in tire angles and vehicle pulling?
What tool should be used for the final tightening of wheel fasteners?
What is a torque wrench?
If a vehicle pulls while braking, what should a technician determine before replacing brake parts?
What is whether the problem is actually coming from the brake system or another system?
What can mismatched tires cause because they have different traction characteristics?
What is vehicle pulling?
What can excessive wheel-bearing play cause to the brake pedal?
What is a low initial brake pedal?
Which alignment angle is a tire-wearing angle: camber or caster?
What is camber?
DAILY DOUBLE
Incorrect or uneven wheel torque can cause what condition at the rotor?
What is rotor runout?
Why should a technician check the steering wheel for looseness or play before a road test?
What is to help identify problems that may affect vehicle control or braking?
What two tire conditions should be checked when inspecting tire wear?
What are the wear bars and rolling circumference?
What happens when a pressed or unitized wheel bearing fails?
What is replacement—the bearing cannot be adjusted?
Which alignment angle is a directional-control angle but is NOT a tire-wearing angle?
What is caster?
What can radial runout cause as the wheel rotates?
What is wheel hop?
A vehicle pulls to one side both with and without braking. What other systems should be investigated?
What are the steering, suspension, tires, and wheel alignment?
Why is regular tire rotation important?
What is to provide even tire wear and traction?
What is the basic service sequence for a tapered roller bearing?
What is remove, clean, lubricate, install, install the seal, and adjust?
A vehicle pulls one direction while moving forward but the opposite direction in reverse. What should you look for?
What are loose suspension parts?
What can lateral runout cause during braking?
What is shifting of the tire contact patch?