Operation CHARM: Car repair manuals for everyone.

Troubleshooting Requirements *START HERE*

A/C refrigerant system, troubleshooting

Requirements

Electrical systems OK
Air flow distribution Systems (controls and cables) 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 Refrigerant System Pressures, Checking
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 a period of driving