DeMers Automotive
1533 N Main St | Longmont, Colorado 80501

General / Misc

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Improve Your Fuel Economy In Longmont

The US government has a website dedicated to helping us use less fuel.  It presents the cost savings in a way we can all relate to, no matter what kind of vehicle we drive.  Here’s an ...
Published on: Feb 15, 2026

Transmission

Let’s talk transmissions.  Transmissions are heavy duty pieces of equipment that are designed to last a long time.  But like any other machine, they’ll eventually wear out and ne...
Published on: Dec 21, 2025

Timing Belt

Let's address a very important maintenance item for everyone in Longmont Colorado – timing belt replacement. It's important because letting this one slide can lead to very expensive engine damag...
Published on: Nov 30, 2025

DeMers Automotive Fuel Saving Tip: Tire Pressure

Under-inflated tires waste gas.  Think how hard it is to walk in sand – you must work harder because of the resistance.  When your tires don’t have enough air in them, their roll...
Published on: May 11, 2025

DeMers Automotive Tech Question On Your Water Pump

  DeMers Automotive Tech Question:I was driving on the freeway in Colorado and my vehicle engine started to get hot. I turned off my air conditioner and was able to drive the short distance to my...
Published on: Mar 23, 2025

Simple Answers From DeMers Automotive For Longmont: Air Conditioner

{{ image('NDIy') }} Question:Why isn't my air conditioner blowing cold air?DeMers Automotive Answer:Your air conditioning system uses refrigerant to create cold air. The most common reasons...
Published on: Feb 09, 2025

The “Man-Made” Engine Oil (Synthetic Oil Change)

If you own a newer vehicle, your vehicle’s manufacturer may require that it use synthetic oil instead of conventional oil.  Synthetic oils are more stable, don’t break down as easily,...
Published on: Dec 22, 2024

Thermostat

The thermostat is part of your cooling system. Longmont residents' vehicle thermostats perform a similar function to the thermostats in their homes. At home, you set your thermostat to maintain a comf...
Published on: Dec 08, 2024