The 4 Wheeler
6519 Arapahoe Rd Unit #2, Boulder, CO 80303 303.443.8488

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: Jan 12, 2025

Thermostat

{{ image('MzU0') }} The thermostat is part of your cooling system. Boulder residents' vehicle thermostats perform a similar function to the thermostats in their homes. At home, you set your...
Published on: Mar 16, 2023

The 4 Wheeler Tech Question on Your Head Gasket

Question My name is Landon.  A bought a new minivan and it started smoking out the tail pipe.  They said my head gasket went out.  What can I do to prevent this from happening again? ...
Published on: Jul 01, 2022

Cooling System Service at The 4 Wheeler in Boulder

Boulder drivers often ask questions about the cooling system, the system that cools your vehicle engine and keeps it at the proper operating temperature. Let’s examine the topic in two area...
Published on: Oct 03, 2021

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: Jul 15, 2021

Radiator Fans

{{ image('MzU0') }} Boulder 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 engin...
Published on: Mar 08, 2021

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: Feb 08, 2021

Thermostat

The thermostat is part of your cooling system. Boulder residents' vehicle thermostats perform a similar function to the thermostats in their homes. At home, you set your thermostat to maintain a comfo...
Published on: Jul 20, 2020