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Active Grille Shutters


AgentCMAX
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I have "grabbed" the inverter coolant lines after shutdown and the lines were never hot (just slightly warm to the touch) but I have no means to monitor the inverter temperature.  

 

Ford has designed an extensive "fail-safe" system around the coolant temperature to protect the engine.  My guess with respect to the inverter getting too hot, would be that Ford would throttle back the use of EV operation.  The primary risk that Ford is trying to mitigate with their "fail safe" scheme is a loss of coolant / coolant flow.  The cooler for the inverter (like the radiator for the engine) can be punctured by road debris.  I would think Ford's design would alert the driver and mitigate damage for such in the operation of the inverter.

 

Like I've said before one should weigh the risks and benefits of their potential actions (mods) and make appropriate choices.  Once ambient temps reach a point (probably when highs reach 80+*F consistently) and we  will set the climate control to "auto", I plan on removing both grill covers irrespective of coolant temps.  The a/c condenser needs air flow.

 

Of course, the other benefit of the grill covers is to allow the engine to more quickly reach and then maintain operating temperature for most efficient engine operations.  This is likely a bigger benefit for those that drive at less than 65 mph, for shorter distances, and in cold climates than for me in Phoenix.  This is not as easy to analyze as aerodynamic benefits because there are significantly more variable that affect results (speed, time, ambient temps, distance, rpm and so forth).

 

 

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Like I've said before one should weigh the risks and benefits of their potential actions (mods) and make appropriate choices.  Once ambient temps reach a point (probably when highs reach 80+*F consistently) and we  will set the climate control to "auto", I plan on removing both grill covers irrespective of coolant temps.  The a/c condenser needs air flow.

 

You're not going to use the cutout grill cover, should still have aerodynamic improvement.

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