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What antifreeze do you use 1997 ford f350 7.3 diesel?

For a 1997 Ford F350 with a 7.3L diesel engine, you should use heavy-duty diesel coolant that meets the Ford Gold specification. Do not use standard automotive antifreeze. This is crucial because standard antifreeze can damage the engine's components.

Look for coolant that explicitly states it's compatible with Ford Gold or has a specification like VC-97-A or WGS-M97B44-D. Many brands offer this type of coolant. Always check the label carefully to ensure compatibility.

Before adding any coolant, consult your owner's manual for the specific recommendations for your truck and the correct mixture ratio of coolant to water. Using the incorrect ratio can reduce protection against freezing and overheating.