L Larry E Guest Dec 21, 2008 #2 If you are pulling anything heavy don't use it. Only use it when the truck is not under a load.
W warriorfstride Guest Dec 21, 2008 #3 You should turn the overdrive off any time you tow or haul a load. If you dont the transmission could over heat.
You should turn the overdrive off any time you tow or haul a load. If you dont the transmission could over heat.