Tagcooling system

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

What Happens When Your Water Pump Wears Out?

How do you know if your water pump is wearing out? Here are some signs that your water pump is in trouble and what you should do if you see them.

Seeing the “Check Coolant Level” warning on your dashboard is often a sign you’re about to have a very bad day.

All GM trucks and SUVs used plastic heater hose connectors (disconnects) for the heater hoses from 1999-2014. The problem with this is that over time, the plastic becomes brittle and … Continue Reading How to Replace Chevrolet/GMC Heater Hose Connectors

What should you do if you overheat while towing? Here are some steps that could save your car’s engine.

A radiator flush should be conducted as per your owner’s manual. Neglecting this task can damage your engine.

Coolant can be highly toxic and needs to be handled with care. Learn how to dispose of antifreeze properly.

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.

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

What could green fluid leaking from a car mean? Learn how to find the cause — and the solution.