C 2500 Truck 2WD V8-5.7L VIN R (1997)
Coolant: Testing and Inspection
Hydrometer
Due to changes in commercially available antifreeze the use of a hydrometer may give an incorrect reading. The hydrometer should be used to test
ethylene glycol based antifreeze only. Ethylene glycol based antifreeze is recommended for year round use.
