* Specific Recommendations: The best coolant for your vehicle is specifically recommended by the manufacturer. This information is found in your owner's manual or on the Toyota website.
* Coolant Type: There are different types of coolant, including traditional green, long-life orange/yellow, and even purple. The correct type depends on your vehicle's year, engine, and any specific manufacturer guidelines.
* Mixing Coolant: Mixing different types of coolant can be problematic. Some coolants are incompatible and can lead to issues like sludge build-up and even damage to your cooling system.
To find the correct coolant:
1. Consult your owner's manual: The most reliable source of information is your vehicle's owner's manual.
2. Check the Toyota website: You can search for your specific vehicle model on the Toyota website and access their recommended maintenance information, including coolant type.
3. Contact a Toyota dealership: If you can't find the information online, contact your local Toyota dealership. They will be able to provide you with the correct coolant recommendation for your 1999 4Runner.
Important Note: Always use high-quality coolant and follow the manufacturer's dilution instructions.
