Air Brake Coach
InspectionQuestion 89 of 116

What must you do with a kinked plastic air line?

  1. Straighten it
  2. Wrap it with tape
  3. Replace it
  4. Block it with a clamp
Show answer

Correct answer: Replace it

A kinked plastic line is permanently damaged and must be replaced.

Source: Air Brake Manual: A Guide for Instructors (Government of Alberta, Alberta Transportation, March/April 2012), Module 10: Vehicle inspections, page 104

Practice inspection

Questions last reviewed: 18 October 2026