Andys Auto
28 Willowdale Road, Groton, MA 01450 978.448.3191

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: Aug 11, 2024

Radiator Fans

{{ image('MzU0') }} Groton 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...
Published on: Oct 10, 2022

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: Aug 01, 2022

Andys Auto 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: Mar 15, 2021

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 05, 2020

Heater Core

{{ image('MzU0') }} Groton 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/anti...
Published on: Mar 16, 2020

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: Jan 04, 2020

Thermostat

{{ image('MzU0') }} The thermostat is part of your cooling system. Groton residents' vehicle thermostats perform a similar function to the thermostats in their homes. At home, you set your ...
Published on: Nov 19, 2019