Troubleshooting Requirements

Requirements:
- Electrical systems OK
- Vacuum hoses and control systems OK
- Air flow distribution systems OK

Correct and repair as necessary before proceeding.

If any one of the following system conditions exists check A/C refrigerant system pressures.

- A/C does not cool (cooling has stopped completely)
- Insufficient cooling during all driving speeds or engine speeds (RPM)
- No cooling or insufficient cooling after driving several miles