Block 4 Quiz Chassis Systems

Positive caster angle improves:

• Fuel economy

• Straight-line stability

• Cornering grip

• Brake cooling

Toe-in measurement shows:

• Wheels closer front

• Wheels closer rear

• Same distance

• Vertical tilt

ESC (Electronic Stability Control) primarily uses:

• Steering angle sensor

• Wheel speed sensors

• Yaw rate sensor

• All above

Wheel imbalance causing vibration at 70 mph suggests:

• Static imbalance

• Dynamic imbalance

• Radial runout

• Lateral runout

MacPherson strut replacement requires:

• Wheel alignment

• Strut top bearing check

• Spring compressor

• ABS sensor recalibration

Shock absorber fails rebound test. Indicates:

• Normal wear

• Internal valve failure

• External leak

• Air entrapment

EPAS (Electric Power Steering) torque sensor fault causes:

• Hard steering

• Uneven assist

• Warning light

• All above

Proper thrust angle should be within:

• ±0.1°

• ±0.5°

• ±1.0°

• ±2.0°

• ±3.0°

Worn suspension bushings cause:

• Clunking noises

• Vague steering

• Tire cupping

• All above

Adaptive damping systems use:

• Solenoid valves

• Magnetorheological fluid

• Air springs

• All above