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Old 02-10-2017, 07:52 AM   #1
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Join Date: Sep 2014
Location: Asheville, NC
Posts: 3
'17 Chevy Colorado Rock Shield?

I'm taking delivery of a '17 Colorado next week. According to the owner's manual, Chevy says to not use a rock shield while towing because of restricting air flow to the transmission cooler. I've been using a Roadmaster Guardian for years with no problems. Don't most modern vehicles get most of their airflow from under the bumper? Any thoughts or experiences would be appreciated. Thanks.
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Old 02-10-2017, 11:01 AM   #2
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Join Date: Mar 2014
Posts: 1,398
Just looked at my owners manual. It mentions damage to the transmission but nothing about the cooler. Since the engine isn't running while towing not sure how the transmission would get damaged unless you didn't take it off.

Use of a shield mounted in front
of the vehicle grille could restrict
airflow and cause damage to the
transmission. The repairs would
not be covered by the vehicle
warranty. If using a shield, only
use one that attaches to the
towing vehicle.

Picked up the Canyon Denali Duramax two weeks ago and it's great. Mileage is outstanding. In the process of installing the towbar/light setup. Demco baseplate, Roadmaster Sterling towbar and Air Force One brake system.

Went with Demco on the baseplates rather than other choices. Basically take off the tow hooks and replace with the Demco tabless brackets. Seemed to be the easiest of all to use. And the height at about 15", according to others, aligns nearly perfectly with the hitch receiver on the DS. The BlueOx bar is up higher in the area of the cooling opening.
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chevy, colorado

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