Northwest Auto & Tire
2421 20th Street, Zion, IL 60099 847.872.2211

Engine and Exhaust

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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: Dec 01, 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 31, 2022

Heater Core

{{ image('MzU0') }} Zion drivers may wonder where the air in a vehicle's passenger compartment comes from. Well, as your engine starts to warm up, it also warms the coolant/antifr...
Published on: Jan 12, 2021

Heater Core

You may have wondered where the warm air in your passenger compartment comes from. Well, as your engine starts to warm up, it also warms the coolant/antifreeze that circulates around the engine and th...
Published on: Nov 16, 2020

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: Mar 08, 2020

Thermostat

The thermostat is an important part of your cooling system. Your vehicle’s thermostat performs a similar function to the thermostat in your home. At home, you set your thermostat to maintain a c...
Published on: Nov 17, 2019

Heater Core

{{ image('MzU0') }} Zion drivers may wonder where the air in a vehicle's passenger compartment comes from. Well, as your engine starts to warm up, it also warms the coolant/antifreeze that ...
Published on: Jul 29, 2019

Thermostat

The thermostat is part of your cooling system. Zion residents' vehicle thermostats perform a similar function to the thermostats in their homes. At home, you set your thermostat to maintain a comforta...
Published on: May 02, 2019