210° @ Cruise and 180° @ Stop? What's Going On?

[quote="Dart67";1970930308]That is one of the most important pieces of the cooling system.

It keeps the hot engine bay air from being drawn back over the top of the core support and recirculated through the radiator.[/quote]

Happen to mine, hot air being re circulated at idle. I used a piece of foam rubber from the home Depot to seal it