Quote:
Originally Posted by Bicycle Bob
To me, those holes look like a way to lighten the part and make assembly easier. The most efficient arrangement is to have any air that gets in go through the radiator.
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Exactly right.
Most car makers pay great attention to the way the car is built and by that I mean how long it takes to be sent down the production line.
The end result is some items making no sense whatsoever after the car is sold but a lot of sense when an individual items is being installed on a production line.
By the way there is a need for ambient temperatures air to be taken in for cooling things like the battery , power steering pump , alternator , ABS unit and so on.
This is one reason for the holes and other gaps left around the radiator normally to the sides and cut into the radiator support panel.
Saving weight and controlled structural deformation are other reasons.
Pete.