ASTM D2847 Standard Practice for Testing Engine Coolants in Car and Light Truck Service
12. Report
12.1 Test Equipment and Operating Conditions:
12.1.1 Test period and location.
12.1.2 Vehicle make, model, and type service.
12.1.3 Engine displacement, coolant capacity, condition of cooling system and points of inspection, metallurgy of engine and cooling system components, and relevant inspection data.
12.1.4 Radiator make, model, and its condition after fleet test. Document final condition with photographs.
12.1.5 Radiator hose make and type and its condition after test. Document final condition with photographs.
12.1.6 Initial and final odometer readings.
12.1.7 Initial and final engine hour totalizer readings (if used).
12.1.8 Any relevant remarks regarding unusual cooling system maintenance or vehicle use.
12.1.9 Initial and final pressure test data on cap and system (optional).
12.1.10 Coolant temperature and operating conditions (optional).
12.2 Coolant Information:
12.2.1 Freezing point (or concentration of products other than antifreeze).
12.2.2 pH of all samples.
12.2.3 Reserve alkalinity of all samples.
12.2.4 Foaming tendency of final samples (optional).
12.2.5 Required additions of test coolant.
12.2.6 Change in solution appearance, that is, dye fading, accumulation of rust, sediment, etc.
12.2.7 Odor development.
12.2.8 Copper, Lead, Aluminum and Iron concentration.
12.2.9 Corrosion inhibitors concentrated.
12.3 Corrosion Inhibitor Data:
12.3.1 Record any pitting, etching, copper plating, metal surface phenomena, erosion, cavitation, or crevice corrosion.
12.3.2 Record any visible corrosion in the radiator and engine interior; also, any visible corrosion, erosion, or cavitation damage of the coolant pump and coolant outlet.
12.3.3 Report and plot behavior of additive concentrations plots time or miles.
12.3.4 Calculate and report percent of additive depleted, correcting for additions of coolant during the test period.
12.4 Cleaning Procedure - The exact cleaning procedure of any components shall be described.
13. Keywords
13.1 antifreeze; coolant evaluation; metal corrosion; vehicle service
