AJ's Automotive
13 Colorado Avenue, Columbia, MO 65203 573.875.1020

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: Mar 09, 2025

Thermostat

{{ image('MzU0') }} The thermostat is part of your cooling system. Columbia residents' vehicle thermostats perform a similar function to the thermostats in their homes. At home, you set you...
Published on: Nov 13, 2022

Radiator Fans

{{ image('MzU0') }} Columbia 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 engi...
Published on: Oct 09, 2022

AJ's Automotive Advice on Your Cooling System

Last week I was out running errands and my temperature warning light came on – total panic!  I pulled over and my car was overheating After it cooled down, I went right in to my service ce...
Published on: May 30, 2022

Cooling System

We’re often asked questions about the cooling system – the system that cools your engine and keeps it at the proper operating temperature.  Let’s examine the topic in two areas:...
Published on: Apr 23, 2021

Heater Core

{{ image('MzU0') }} Columbia 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/an...
Published on: Oct 26, 2020

Cooling System Repairs

We all know how important the cooling system is. Coolant/antifreeze circulates around the engine, absorbs heat, and then dissipates it in the radiator.  Cooling system failure can cause extensive...
Published on: Oct 06, 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: Jul 02, 2020