Two Letters Re: G.O.O.D. Vehicle Preparation and Maintenance–Is Your Vehicle Up to the Task?
Sir, I am replying to the recent post on G.O.O.D. Vehicle Preparation and Maintenance. It had almost all excellent information, except the part about coolant, the “reddish eco-friendly” is the only long life coolant that causes problems, it is either DEX-COOL, or a licensed replacement that would be the same color. GM has been having legal problems with it for over a decade. As a former dealer tech I saw the damage it caused, and would also never use it in a car. The long life coolants, as well as the universal type with long life attributes are fine to …