Cooling System: Testing and Inspection

1. Does overheating occur while pulling a trailer?
^ Is the trailer within the recommended towing weight?
^ Is the vehicle equipped with a heavy duty cooling package?
2. Is the vehicle equipped with an add-on or after market air conditioning system?
^ Was a heavy duty radiator installed?
3. Is overheating occurring after prolonged idle in gear, A/C system operating?
4. Is overheating occurring after prolonged driving in slow city traffic, traffic jams, parades, etc.?





^ If none of the above apply, refer to the overheating diagnostic chart