Lubrication & Maintenance/500 Hour/12 Month Testing Diesel Engine Coolant Maintaining adequate concentrations of glycol and inhibiting additives in the coolant is critical to protect the engine and cooling system against freezing, corrosion, and cylinder liner erosion and pitting. Compare the results to the supplemental coolant additive (SCA) chart to determine the amount of inhibiting additives in your coolant and whether more John Deere COOLANT CONDITIONER should be added. Test the coolant solution at intervals of 12 months or less and whenever excessive coolant is lost through leaks or overheating.
COOLSCAN Or COOLSCAN PLUS For a more thorough evaluation of your coolant, perform a COOLSCAN or COOLSCAN PLUS analysis. See your John Deere dealer for information about COOLSCAN or COOLSCAN PLUS. Coolant Test Strips Coolant test strips are available from your John Deere dealer. These test strips provide a simple, effective method to check the freeze point and additive levels of your engine coolant. OUOD002,0000175 –19–23NOV01–1/1 30-19 021604 PN=156