Practice question

When performing in-chassis repair, why must the technician follow the manufacturer's specified fastener torque and replace single-use (torque-to-yield) bolts?

  1. To make the engine louder
  2. Because all bolts are identical
  3. To ensure correct clamping load, prevent leaks, and avoid fastener failure since stretched bolts cannot be reused reliably
  4. To reduce the number of tools needed

Answer: C — To ensure correct clamping load, prevent leaks, and avoid fastener failure since stretched bolts cannot be reused reliably

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