Cottman Transmission & Total Auto Care
11780 Holly Auto Center Lane, Waldorf, MD 20601 301.645.4055

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: Mar 16, 2025

Radiator Fans

{{ image('MzU0') }} Waldorf residents who are old enough have probably heard the term “fan belt”. Back in the day the radiator fan in your vehicle was turned by a belt driven by the engin...
Published on: May 08, 2022

Heater Core

{{ image('MzU0') }} Waldorf 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/ant...
Published on: Feb 19, 2022

Simple Answers from Cottman Transmission & Total Auto Care for Waldorf: Cooling System

Question My engine never overheats.  Why should I get a cooling system service? Answer That’s a good question to ask, because if you don’t have the full answer you may end up in tr...
Published on: Jul 14, 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: Sep 05, 2020

Thermostat

{{ image('MzU0') }} The thermostat is part of your cooling system. Waldorf residents' vehicle thermostats perform a similar function to the thermostats in their homes. At home, you set your...
Published on: Jan 30, 2020

Cooling System

We’re often asked questions about the cooling system – the system that cools your engine and keeps it at the proper operating temperature.  Let’s examine the topic in two areas:...
Published on: Dec 31, 2018

Cottman Transmission & Total Auto Care 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: Aug 28, 2018