FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Engine Coolant Protection Inspection

ENGINE COOLANT PROTECTION

Caution:
^ The engine has aluminum parts that can be damaged by alcohol or methanol antifreeze. Do not use alcohol or methanol In the cooling system. Use only ethylene-glycol-based coolant.
^ Use only soft (demineralized) water In the coolant mixture. Water that contains minerals will cut down the coolant effectiveness.

1. Measure the coolant temperature and specific gravity with a thermometer and a hydrometer.





2. Determine the coolant protection by referring to the graph shown. If the coolant protection is not proper, add water or coolant as necessary.





Antifreeze solution mixture percentage