Clarksville, MD

12411 Clarksville Pike
(410) 531-6116

Columbia, MD

6810 Oak Hall Lane
(410) 381-1124

Gaithersburg, MD

19300 Woodfield Rd
(301) 963-0660

Clarksville, MD

12411 Clarksville Pike
(410) 531-6116

Columbia, MD

6810 Oak Hall Lane
(410) 381-1124

Gaithersburg, MD

19300 Woodfield Rd
(301) 963-0660

Locations

down arrow

Hillmuth Blog

Why Do I Need to Recharge My Car’s AC?

September 4, 2018

If the air coming out of your AC system is running hot, then something is clearly wrong. Not to mention the fact that a hot car can be a nightmare in the dog days of summer. It’s possible all your vehicle’s AC system needs is a “recharge” to return to normal. But is recharging all […]

Read More >>


Why is My Car’s AC Fan Not Working?

August 1, 2018

A hot car is an absolute nightmare in the summer, especially with temperatures as hot as they’ve been. When your car’s AC breaks down, even a day trip to the beach seems like a chore. Today we’re going to take a look at some of the most common reasons why your car’s AC might be […]

Read More >>


Why is My Car’s AC Blowing Hot Air?

June 25, 2018

Staying cool is absolutely vital in the summer. And if your car’s AC system is blowing hot air, then it certainly isn’t helping you cool off. So, what’s the problem? If your AC is not actually blowing cool air, then there are a few different issues which could be in play. Let’s take a look […]

Read More >>


The Air Inside Your Vehicle

February 23, 2018

With the lower temperatures here in Maryland this winter many motorists keep their cars warm using the heating system with little ventilation. In the warmer months drivers enjoy the breeze with the windows down, but in the cold months the car’s windows remain closed and the air re-circulates throughout the car. With less ventilation drivers […]

Read More >>


Why is my Car’s AC Not Working?

June 9, 2017

Your car’s air conditioning system has one job in the summer time, and when the AC doesn’t work it can really be torture. An understanding of the common causes of glitches and proper steps of care will surely keep your car’s air conditioning in top order. Here are some of the reasons why your car’s […]

Read More >>


What to Do if Your Car AC Stops Working

July 29, 2015

It’s summer, it’s hot and your AC is barely blowing enough cold air to cool your finger. Or worse—it’s blowing hot air on top of already humid 90-degree weather. What do you do? Don’t panic, our Maryland auto AC repair specialists are here with an action plan. Common Car AC Problems No air is coming […]

Read More >>


Automotive Repair Specials

Maximizer Maintenance
Package

$59.95

Includes oil service with filter, inspect coolant hoses, brakes, tire alignment, belts, suspension, steering, struts and shocks, exhaust system and alignment, adjust tire air pressure, top off fluid levels.

Print Coupon More Details

Maryland
Inspection

$10 Off

Print Coupon More Details

Save on any
Service or Repair

$10 off any repair or service of $100 or more

$20 off any repair or service of $200 or more

$30 off any repair or service of $300 or more

Print Coupon More Details

View More Specials >


Awards and Recognition

asa be car care aware best of hoco ase napa

“The staff at Hillmuth Automotive has always been honest and helpful. I had a difficult situation with an insurance claim and they went the extra mile to ensure I got the coverage I needed. They are always courteous and timely.”

-Jo Ellen Nauman, Olney

testimonial

Schedule an Appointment

CLICK TO VIEW AREAS SERVED

Howard County Auto Repair and Auto Service: Columbia (21044, 21045, 21046), Clarksville (21029), Cooksville (21723), Dayton (21036), Elkridge (21075), Ellicott City (21042, 21043), Fulton (20759), Glenelg (21737), Glenwood (21738), Guilford (20763), Hanover (21075, 21076), Highland (20777), Marriottsville (21104), Savage (20763), West Friendship (21784), Woodbine (21797).

Montgomery County Auto Repair and Auto Service: Ashton (20861), Bethesda (20814, 20815, 20817), Brookville (20833), Cabin John (20818), Chevy Chase (20815), Damascus (20872), Derwood (20855), Gaithersburg (20882, 20878, 20879), Germantown (20876), Kensington (20895), Olney (20832), Potomac (20854), Rockville (20850, 20851, 20853), Silver Spring (20904, 20905, 20906)