Title: Replace the A/C compressor drive belts, pulleys, and tensioners.
Course: Diesel Equipment Technology III (20107-III) > Section: Heating, Ventilation, and Air Conditioning: Servicing the Compressor and Clutch

Replacement should include

- determining the belt condition
- following manufacturer guidelines
- using the proper tooling to remove pulleys and tensioners
- adjusting the belt tension
- checking the alignment.

Process/Skill Questions:

- What are the acceptable number of cracks per inch in a multi-groove belt?
- What sound is one listening for when determining pulley or tensioner failure?