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Old 01-13-2017, 10:28 AM
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Grille Cover for the Winter

Any one running a Winter Grill Cover? Here is why I'm asking....

This past summer I had some heat issues with my Jeep it turned out that my radiator was cracked. I replaced it with a 3 core aluminum one on the recommendation of a fellow Jeeper in my local area, along with an electric fan. Now, my Jeep has horrible gas mileage. I know that it needs to get to a specific temp to get the "Closed Loop" and if you can't get there milage will suffer. I have used my scan tool and I'm running around 180 to 190, its 17 out today. I'm doing the cardboard in from of the grill and it got better. Any thoughts? Also I only drive 5 miles one way to work. Not a lot of time to fully warm up. I also have the Poison Spyder hood louvers.

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Old 01-13-2017, 11:07 AM   #2
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Originally Posted by rac1971 View Post
Any one running a Winter Grill Cover? Here is why I'm asking....

This past summer I had some heat issues with my Jeep it turned out that my radiator was cracked. I replaced it with a 3 core aluminum one on the recommendation of a fellow Jeeper in my local area, along with an electric fan. Now, my Jeep has horrible gas mileage. I know that it needs to get to a specific temp to get the "Closed Loop" and if you can't get there milage will suffer. I have used my scan tool and I'm running around 180 to 190, its 17 out today. I'm doing the cardboard in from of the grill and it got better. Any thoughts? Also I only drive 5 miles one way to work. Not a lot of time to fully warm up. I also have the Poison Spyder hood louvers.
Is it always running 180-190 or just on your 5 mile trips?

You should have a 195F non failsafe thermostat, and proper operating temp is 210F.

Is your electric fan on a thermostat or running all the time?

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Old 01-13-2017, 11:27 AM
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Is it always running 180-190 or just on your 5 mile trips?

You should have a 195F non failsafe thermostat, and proper operating temp is 210F.

Is your electric fan on a thermostat or running all the time?
My Fan kicks on at 190 - 195. It almost never kicks on and when it does its on then right back off. I really dont drive it much farther than the 5 miles as that kind of is my world. I'm planning on getting some rubber mat and closing off part of my grille to see if that makes a difference. I'm thinking it will. It was in the 40s the last few days and way better milage and much more pep in his step. I'm sure the issue is temp but... As for the thermostat I have no idea what is in there as I have not taken it out. I have a new one at home that I may just need to replace what is in there with the new one after making sure its the 195 deg.
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Old 01-13-2017, 12:26 PM   #4
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In your case with such a short drive, won't hurt anything to cover the grill and see how it does.
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Old 01-13-2017, 04:18 PM
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In your case with such a short drive, won't hurt anything to cover the grill and see how it does.
This afternoon on my way home for lunch I found a leaking under the Jeep so it looks like I'm going to be tearing into it this weekend anyway. So I will update this after I get that done and update this again. New Thermostat and waterpump. I'm thinking with a new 195 deg thermostat I will be running hotter anyway.
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