Stonum Automotive
(303) 485-9303

Engine and Exhaust

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Cooling System Service At Stonum Automotive

{{ image('MzA1') }} Last week I was out running errands in Longmont and my temperature warning light came on – total panic! I pulled over and my car was overheating.After it cooled do...
Published on: Aug 17, 2025

Stonum Automotive Advice on Your Cooling System

Last week I was out running errands and my temperature warning light came on – total panic!  I pulled over and my car was overheating After it cooled down, I went right in to my service ce...
Published on: Jun 01, 2025

Heater Core

{{ image('MzU0') }} Longmont 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 t...
Published on: Feb 16, 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: Jan 12, 2025