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Working Hours
Monday 7:30AM - 5:00PM
Tuesday 7:30AM - 5:00PM
Wednesday 7:30AM - 5:00PM
Thursday 7:30AM - 5:00PM
Friday 7:30AM - 5:00PM
Saturday Appointment Only
Sunday Closed
"Weekends are for family!"
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4020 Old Washington Blvd
Halethorpe, MD 21227

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Have Questions?

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Welcome to Security Auto and Truck Inc.! Your Automotive Specialist

Whether Your Fleet is a Single Family Car, a Large Corporate Fleet or something in between - We Keep Your Fleet On The Street & Your Family Cars Safe!

Auto RepairSecurity Auto and Truck Inc. has been providing customers in the Halethorpe, MD 21227 area with high-quality automotive maintenance and repair services since 2008. Our experienced mechanics will get your vehicle up and running again, and we'll keep it in top operating condition.

TechniciansWe provide a range of services, including 4x4 Services, Alignment, Batteries, Brakes, Car & Truck Care, Domestic Cars & Trucks, Electrical Services, Electronic Services, Engine & Transmission, Engine Maintenance, Expired Warranty Care, Fleet Brakes, Fleet Drive Train, Fleet Electrical, Fleet Electronics, Fleet Engine Work, Fleet Front End Services, Fleet General Services, Fleet Suspension Work, Fleet Tires, Fleet Trailer Work, Fleet Wheel Services, General Services, Heating and Cooling Services, Import Cars & Trucks, Inspections and Emissions, Miscellaneous Services, Quick Lube Services, Tires, Towing, Transmission Services and Undercar Services. We're proud of our great mechanics, who have years of experience working on many different types of vehicles. They have the knowledge required to diagnose your problems, and to find affordable solutions to get you back on the road quickly.

To learn more about our services, call us at 443-575-6641 or email us today. We're looking forward to earning your trust as a friendly, honest and reliable alternative for your auto maintenance and repair needs in Halethorpe.

Tech Talk
Technicians have a heavy responsibility when servicing Cars and Light Trucks. Not only are we responsible for the safety of everyone riding in the vehicle. We also have the responsibility of everyone on the planet. Here's why. Most Cars and Light Trucks run at stoichiometric ratio 14.7 to 1. The correct calculation is 14.7 lbs. of air to 1 lb. of fuel. This means a vehicle operating at 14.7 to 1 air fuel ration burns 9000 gallons of air to 1 gallon of fuel. In 2017 the United States sold 143 billion gallons of Gasoline. Multiply that by 9000 and you get how many gallons of air is used in the USA alone. This does not include other countries around the world. My calculator doesn't go the far.
Where is our responsibility? Every car or Light Truck that comes into our shops with a check engine (MIL) light has an emissions related item causing the check engine light to illuminate. This may cause the engine to run rich or lean. This causes excessive pollution on top of what we use at a stoichiometric ratio. We only have so much air and we can be part of the solution. You don't have to be an environmentalist to figure out that someday we will run out of air to breathe. We have a responsibility not only to our client but to our Planet. We have the responsibility to get it right. Think about this every time you work on a vehicle.

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Asset 7 Automotive News
  • Vehicle Tips

    According to recent studies, 5 percent of all motor vehicle fatalities are clearly caused by automobile maintenance neglect.

  • Vehicle Tips

    The cooling system should be completely flushed and refilled about every 24 months. The level, condition, and concentration of coolant should be checked. (A 50/50 mix of anti-freeze and water is usually recommended.)

  • Vehicle Tips

    Never remove the radiator cap until the engine has thoroughly cooled. The tightness and condition of drive belts, clamps and hoses should be checked by a pro.

  • Vehicle Tips

    Change your oil and oil filter as specified in your manual, or more often (every 3,000 miles) if you make frequent short jaunts, extended trips with lots of luggage or tow a trailer.

  • Vehicle Tips

    Replace other filters (air, fuel, PCV, etc.) as recommended, or more often in dusty conditions. Get engine drivability problems (hard stops, rough idling, stalling, diminished power, etc.) corrected at a good shop.

  • Vehicle Tips

    A dirty windshield causes eye fatigue and can pose a safety hazard. Replace worn blades and get plenty of windshield washer solvent.

  • Vehicle Tips

    Have your tires rotated about every 5,000 miles. Check tire pressures once a month; let the tires cool down first. Don't forget your spare and be sure your jack is in good condition.

  • Vehicle Tips

    Check your owner's manual to find out what fuel octane rating your car's engine needs then buy it.

  • Vehicle Tips

    Keep your tires inflated to the proper levels. Under-inflated tires make it harder for your car to move down the road, which means your engine uses more fuel to maintain speed.

  • Vehicle Tips

    Lighten the load. Heavier vehicles use more fuel, so clean out unnecessary weight in the passenger compartment or trunk before you hit the road.

  • Vehicle Tips

    Use the A/C sparingly. The air conditioner puts extra load on the engine forcing more fuel to be used.

  • Vehicle Tips

    Keep your windows closed. Wide-open windows, especially at highway speeds, increase aerodynamic drag and the result is up to a 10% decrease in fuel economy.

  • Vehicle Tips

    Avoid long idling. If you anticipate being stopped for more than one minute, shut off the car. Contrary to popular belief, restarting the car uses less fuel than letting it idle.

  • Vehicle Tips

    Stay within posted speed limits. The faster you drive, the more fuel you use. For example, driving at 65 miles per hour (mph) rather than 55 mph, increases fuel consumption by 20 percent.

  • Vehicle Tips

    Use cruise control. Using cruise control on highway trips can help you maintain a constant speed and, in most cases, reduce your fuel consumption.

  • Vehicle Tips

    Keep your engine tuned. A fouled spark plug or plugged/restricted fuel injector can reduce fuel efficiency as much as 30 percent.

  • Vehicle Tips

    Inspect the engine's belts regularly. Look for cracks or missing sections or segments. Worn belts will affect the engine performance.

  • Vehicle Tips

    Have the fuel filter changed every 10,000 miles to prevent rust, dirt and other impurities from entering the fuel system.

  • Vehicle Tips

    Change the transmission fluid and filter every 15,000 to 18,000 miles. This will protect the precision-crafted components of the transmission/transaxle.

  • Vehicle Tips

    Inspect the suspension system regularly. This will extend the life of the vehicle's tires.

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