NAPA AutoCare SoCal

Engine and Exhaust

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The Hot Switch (Coolant Vacuum Valve Switch)

When the weather gets cooler, you want the cabin of your vehicle to stay warm.  When you switch on the heat, you may find the air that comes out of the vents just isn't hot.  The problem co...
Published on: Apr 27, 2025

Thermostat

{{ image('MzU0') }} The thermostat is part of your cooling system. residents' vehicle thermostats perform a similar function to the thermostats in their homes. At home, you set your thermo...
Published on: Dec 08, 2024

How Cool is That! (Coolant level sensor replacement)

Your vehicle’s engine runs hot.  It should, since it’s a series of little explosions that create the power that gets you going where you want to go.  To keep the engine cool, eng...
Published on: Oct 20, 2024

Radiator Fans

If you’re old enough, you’ve heard the term “fan belt”. Back in the day the radiator fan in your vehicle was turned by a belt driven by the engine. There are still belt driven ...
Published on: Jul 14, 2024

Air Blend Box

You push a few buttons or turn some knobs, and voila! You have air blowing on your feet or cool air chilling your face. But how does all that happen? Well, it's all thanks to ...
Published on: Aug 16, 2023

Simple Answers from NAPA AutoCare SoCal for : Cooling System

Question My engine never overheats.  Why should I get a cooling system service? Answer That’s a good question to ask, because if you don’t have the full answer you may end up in tr...
Published on: Feb 08, 2023

Radiator Fans

{{ image('MzU0') }} residents who are old enough have probably heard the term “fan belt”. Back in the day the radiator fan in your vehicle was turned by a belt driven by the engine. Ther...
Published on: Oct 29, 2022

Prevent Cooling System Problems In

Cooling system problems are the most common reason for mechanical failure.  And, they’re largely avoidable.  Here’s what you need to know about your cooling system.  First, ...
Published on: Jun 08, 2022