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

General / Misc

Alt + /

Getting Off to a Running Start (Starter Replacement)

When you start your vehicle’s engine, there’s another motor that makes that whole process possible.  It’s called the starter, and it’s a small electric motor that gets you...
Published on: Feb 16, 2025

Don't Blow a Gasket! (Valve Cover Gasket Replacement)

When you head out to your vehicle after it's been parked and notice oil leaking underneath it, that's something to have looked at right away.  Oil leaks mean your oil level is probably low, and r...
Published on: Aug 25, 2024

Slippery as Ice (Driving on Wet Leaves)

We all know driving on slippery ice can be dangerous.  What you might not know is that wet leaves can be just as slick. If you live in an area that has trees that drop their leaves, or if you're ...
Published on: Oct 05, 2023

Do You Know About Disc Brakes

Racing legend Richard Petty once said, "If you've got good brakes you can stay out of a lot of trouble." If you're hearing unusual sounds when you brake or if your brake pedal is feeling squishy or to...
Published on: Jun 06, 2023

Tips on TPS (The Throttle Position Sensor)

When you step on the accelerator, you expect your vehicle to speed up, not slow down.  But, what if it doesn’t?  That can be a big problem. The answer may be a problem with the sensor...
Published on: May 24, 2023

Supplemental Restraint System – Airbags

After they’ve had an accident, some people wonder why their airbags didn't go off. Movies and television lead us to believe that airbags go off with the slightest bump. The reality is much more ...
Published on: May 15, 2023

MAF Sensor

Air and fuel are mixed together to be burned in your engine. You request how much of each you need by how hard you press on the accelerator, by going up or down a hill or by how much you are carrying ...
Published on: May 13, 2023

The 20.9 Percent Factor (Oxygen Sensor)

Do you know what gas makes up 20.9% of the air we breathe? It's oxygen.   Oxygen is an important part of the combustion process that enables your engine to make power.  The amount of ox...
Published on: Dec 11, 2022