Can you use a all model coolant if your car requires dex cool?

No, you should not use a universal or all-model coolant in your car if it requires Dex-Cool. Dex-Cool is a specific type of coolant designed for General Motors vehicles and is formulated to meet their specific requirements. Using a universal coolant in a car that requires Dex-Cool can lead to several issues, including:

1. Cooling System Damage: Universal coolants may not contain the same additives and inhibitors as Dex-Cool, which can lead to corrosion and damage to the cooling system components, such as the radiator, water pump, and hoses.

2. Reduced Engine Performance: Dex-Cool is designed to maintain optimal engine operating temperatures and prevent overheating. Using a universal coolant that does not meet the same specifications may not effectively regulate the engine temperature, leading to potential engine performance issues.

3. Voiding of Warranty: Using a non-recommended coolant, such as a universal coolant, may void the vehicle's warranty if the manufacturer specifies Dex-Cool.

4. Compatibility Issues: Universal coolants may not be compatible with the materials used in the cooling system of your car, leading to potential leaks or component failures.

It's important to use the type of coolant specified by the manufacturer in your car's owner's manual. If you're unsure of the recommended coolant, consult with your car's manufacturer or a qualified mechanic.