L & R Automotive
10300 RALSTON RD ARVADA, CO 80004 | (303) 456-8364

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: Aug 10, 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: Jun 15, 2025

Cooling System Service At L & R Automotive

{{ image('MzA1') }} Last week I was out running errands in ARVADA and my temperature warning light came on – total panic! I pulled over and my car was overheating.After it cooled down...
Published on: Jan 19, 2025

L & R Automotive Tech Question On Your Head Gasket

Question My name is Landon.  I bought a new minivan and it started smoking out the tail pipe.  They said my head gasket went out.  What can I do to prevent this from happening again? ...
Published on: Sep 08, 2024

Radiator Fans

{{ image('MzU0') }} ARVADA 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 engine...
Published on: Aug 11, 2024

Heater Core

{{ image('MzU0') }} ARVADA 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/anti...
Published on: Jan 30, 2023

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: Dec 06, 2022

A Long Lasting Cooling System For ARVADA, CO 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: May 04, 2022