Sullivan's Two Unlimited
795 Highway 12, Baraboo, WI 53913 608.356.9282

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: Jul 21, 2024

Thermostat

{{ image('MzU0') }} The thermostat is part of your cooling system. Baraboo residents' vehicle thermostats perform a similar function to the thermostats in their homes. At home, you set your...
Published on: May 24, 2023

Sullivan's Two Unlimited Tech Question On Your Cooling System

Question I was driving down the freeway and smoke started coming out of my car.  I pulled over and called my husband.  I had to be towed to my mechanic.  He said my car had overheated....
Published on: Dec 01, 2022

Sullivan's Two Unlimited 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: Oct 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: May 15, 2022

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: Sep 20, 2021

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 14, 2021

Radiator Fans

{{ image('MzU0') }} Baraboo 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: Jul 15, 2019