Grill.
I live very close to the Mohave desert, hot, deep sand, lots of rocks and Long Steep grades on roads and freeways. Add all this with 112* temps out side and your cooling system can't be on the edge of being able to do its job.
My cooling system would run up to just below the" H" line on my gauge in extreme conditions with A/C on. I tried a electric fan, new fan clutch, etc. nothing helped much.
Last outing in Barstow in a rocky, sandy wash in 112* heat it started getting hot.
I let it cool down as I was miles from anywhere. Tried to get out of there but over heated again. Then it hit me on another idea and I took off the grill. The temp went back to normal ( just below 1/2) I left it off till I got home and ran to Home Depot for a drop ceiling light grill and made a big grill out of it.. I have NOT come close to over heating since.
Does anyone think air flow on those little grill openings might only let just enough air in to work when every thing is in pristine condition ?
Now I'm going to try my electric fan again. I just hate the airplane sound.
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