K 1500 Truck 4WD V6-4.3L VIN W (1997)
Coolant: Description and Operation
DESCRIPTION
This vehicle was manufactured with GM Goodwrench DEX-COOL. DEX-COOL was developed to last for 240,000 km (150,000 miles) or 5 years
whichever occurs first. The manufacture recommends that use of GM Goodwrench DEX-COOL when coolant is added or changed.
MIXTURE
A 50/50 mixture of ethylene glycol (DEX-COOL) and water will provide the following:
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Freezing protection down to -37°C (-34°F).
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Boiling protection up to 129°C (265°F).
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Help keep the proper engine temperature.
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Rust and corrosion protection.
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Allow the sensors and switches to operate as designed.
NOTE: Do not use solution stronger than 70% antifreeze. Pure anti-freeze will freeze at -22°C (-8O°F).