Title: Inspect and/or replace A/C compressor drive belts, pulleys, and tensioners.
Course: Automotive Technology I (MLR 3-Year Program) (20104-IA) > Section: HEATING, VENTILATION AND AIR CONDITIONING (HVAC): Refrigeration System Components

Inspection should include

- differentiating between procedures for V-belts and serpentine belts
- checking all belt surfaces
- determining and adjusting for belt alignment through use of straight-edge or specialized tools
- checking the wear indicators of tensioners and ensuring freedom of motion
- following service manuals and manufacturer guidelines.

Process/Skill Questions:

- What are the specialized tools that enable inspection and replacement of A/C compressor drive belts?
- What are the procedures to replace a belt, including a belt diagram?
- What might result if the A/C system has an improper belt tension?