Other information:
Removal
NOTE:
Removal steps in this procedure may contain installation details.
Drain the cooling system.
Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding (303-03C Engine Cooling, General Procedures).
Remove the catalytic converter...
Inspection
NOTE:
There are typically 4 types of objectionable odors found in a vehicle:
chemical odors
environmental odors
human and other interior-generated odors
microbiological odors
Before determining that A/C odor treatment is required, determine the source and the circumstances under which the odor occurs...