2007 GMC 2500HD HEATER CORE PROBLEMS!! help
My trucks is a 2007 GMC 2500HD with the 6.0 gas job in it. Truck only has 76,000 miles and I have had it a little over a year. I bought the truck because of how pristine and perfect it was kept. Clean...
Forum Discussion
GM is OATs (Organic Acid Technology) and that stuff does NOT do well with any
air (O2) in there, nor any of the sealers
Best to have the heater core fixed/replaced and the whole cooling system flushed
If O2 gets in there, common for it react with the acid to form globules of acidic
gel to plug and rot out the core of the radiator and heater cores
air (O2) in there, nor any of the sealers
Best to have the heater core fixed/replaced and the whole cooling system flushed
If O2 gets in there, common for it react with the acid to form globules of acidic
gel to plug and rot out the core of the radiator and heater cores
