A1 Auto Three Brothers Car Repair
3041 FREDERICK AVE BALTIMORE, MD 21223 | 410.566.5878

Engine and Exhaust

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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: Nov 30, 2025

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 16, 2025

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: Jun 22, 2025

A Long Lasting Cooling System For BALTIMORE, MD Driving

Our vehicles operate in a wide range of outside temperatures.  That’s why vehicle manufacturers use testing grounds from the frozen tundra to the blistering desert.  Your engine antifr...
Published on: Jun 08, 2025

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: May 18, 2025

Heater Core

{{ image('MzU0') }} BALTIMORE 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/antifreeze ...
Published on: Jan 12, 2025

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: Nov 10, 2024

Air Blend Box

BALTIMORE drivers push a few buttons or turn some knobs, and voila! They have air blowing on their feet or cool air chilling their face. But how does all that happen? Well, it's all thanks to the...
Published on: Jun 30, 2024