Tagcoolant

Searching for coolant info? Check out all the coolant related articles here on the NAPA Know How blog. We’ve got Know How for all!

What Is Antifreeze and what does it do for my engine?

You know about oil, washer fluid and brake fluid, but what is antifreeze? Learn why antifreeze is important for your engine.

Keeping the engine bay clean is easy, but what about the cooling system? Here’s how to flush a radiator to keep it clean and operating smoothly.

Whether you’re a seasoned mechanic or just getting into automotive DIY, you can feel confident dealing with common car fluids.

The quality of car fluids has improved in recent years. For instance, certain fluids are now considered “lifetime fill.” Here’s what you should know.

A thermostat that is stuck closed will quickly cause your engine to overheat. When the thermostat gets stuck open, your engine takes considerably longer to warm up. You will notice … Continue Reading Know-How Notes: Cooling System Thermostat Replacement Tips

The Coolant Temperature sensor changes resistance with the temperature. The Coolant Temperature sensor is critical to many PCM functions such as fuel injection, ignition timing, variable valve timing, and transmission … Continue Reading What does a Coolant Temperature Sensor do for your vehicle?