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NTORACN's avatar
NTORACN
Explorer
Aug 14, 2013

*UPDATE* problem solved!! Coolant temp on hills GMC 3500

Hello everyone, just a quick update on how I fixed my2006 Tioga 24D on a 2005 GMC 3500 chassis from running to hot on long grades. My original post is below. I found that my problem was caused by sev...
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IAMICHABOD's avatar
IAMICHABOD
Explorer III
Aug 14, 2013
NTORACN I know we have talked about this before, and mine did the same on a short steep grade.

Did you have the Tow/Haul button, ya know that little button on the dash, engaged? I cannot see it lit on your picture of the dash. I have read on a Chevy forum that when it is engaged while towing or climbing it changes the shift points and keeps the trans cooler thus helping with overall cooling. That I all I got.:)

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