Posted by Vaughn on Friday, January 23, 2004 at 9:30PM :
In Reply to: 20 degrees AND THE TRUCK IS OVERHEATING!! posted by John Eickhof on Friday, January 23, 2004 at 8:15PM :
If the weather was better I would suggest two bottle of Prestone rust/scale remover and leave in the system for a month. It does a good job cleaning rust and scale.