Quote:
Originally Posted by Doanation14
You don't always need the fans to cool the coolant. your vehicle's velocity in most cases will provide enough airflow to the rad for it to keep the coolant in its operating temp.
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That doesn't help you in traffic. In the incident I described above, the temp stayed below 195° as long as I was moving and would then start climbing as soon as I stopped at a red light. It behaved exactly like my Cherokee did when its viscous fan clutch went out, except that these cars don't have a viscous fan clutch, which had me thoroughly confused.
Quote:
Originally Posted by Doanation14
your car's thermostat will start to open around 90-95 C (194-203 F) and allow coolant to flow through the rad only when it reaches that temp.
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Those numbers are a little high. The FSM lists the normal opening range as 187° to 194°F (86° to 90°C). It will be fully open at 195° unless it's defective.