Ford Motorcraft Yellow Antifreeze-Coolant Backward Compatability PDF

A service bulletin that provides information on the backward compatibility of Motorcraft Yellow Antifreeze/Coolant with Motorcraft Orange Antifreeze/Coolant for Ford, Lincoln, and Mercury vehicles. It outlines the approved use and process for replacing or topping off existing stock of antifreeze/coolant, which includes specific service information for technicians. The document details maintenance intervals, customer advisories for compatibility information, and guidelines for corrosion protection tests specific to certain engine types.