Hilltop Auto Center
12629 National Pike, Grantsville, MD 21536 301.895.5870

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 19, 2025

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: Mar 26, 2023

Hilltop Auto Center 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: Sep 06, 2022

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 fans,...
Published on: Nov 22, 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: Jun 27, 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 28, 2020

Thermostat

{{ image('MzU0') }} The thermostat is part of your cooling system. Grantsville residents' vehicle thermostats perform a similar function to the thermostats in their homes. At home, you set ...
Published on: Jan 16, 2018

Hilltop Auto Center 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: Jul 05, 2017