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Difficulty: EasyAccelerating Methods

If the drive wheels begin to spin while accelerating on a slippery roadway, what action should you take?

  1. A
    Apply firm service brake pressure while maintaining steady throttle input.
  2. B
    Shift into neutral and double-clutch rapidly to engage a higher transmission gear.
  3. Take your foot off the accelerator pedal to let the wheels regain grip.Answer
  4. D
    Turn on the auxiliary engine retarder to help slow the spinning drive axle.

Answer

Take your foot off the accelerator pedal to let the wheels regain grip.
According to standard commercial driving principles, if drive wheels begin to spin during acceleration, taking your foot off the accelerator immediately removes the excess engine torque and allows the tires to regain traction.

Step-by-Step Solution

1
Identify the cause of drive-wheel spinning during acceleration.
Excessive engine power being sent to the drive wheels exceeds available surface traction.
When too much power is applied on poor-traction surfaces, the drive tires break free from the road surface.
2
Apply the correct driver corrective response.
Immediately remove foot pressure from the throttle pedal.
Cutting power allows the drive tires to slow down to matching road speed and regain grip.

Key Concept

Drive-Wheel Traction Management During Acceleration
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Topics

Accelerating Methods

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