Other information:
Refrigerant System Service
Basics (R-134a)
Refrigerant Recovery
Use only U.L.-listed service equipment that is certified to meet the requirements
of SAE J2210 when removing HFC-134a (R-134a) from the air conditioning system.
...
If your temperature gauge indicates overheating, you experience a loss of power,
or hear loud pinging or knocking, the engine will probably be too hot. If this happens,
you should:
1.Pull off the road and stop as soon as it is safe to do so.
2.Place the shift lever in P (for Automatic transaxl ...