Weldon Spring Auto
818 O'Fallon Road, Saint Charles, MO 63304 636.498.6600

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: Sep 22, 2024

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 ...
Published on: Sep 28, 2023

Thermostat

The thermostat is part of your cooling system. St. Charles residents' vehicle thermostats perform a similar function to the thermostats in their homes. At home, you set your thermostat to maintain a c...
Published on: Sep 05, 2023

Weldon Spring Auto Tech Question on Your Head Gasket

Question My name is Landon.  A 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: Jul 23, 2023

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: May 07, 2023

Cooling System Repairs

We all know how important the cooling system is. Coolant/antifreeze circulates around the engine, absorbs heat, and then dissipates it in the radiator.  Cooling system failure can cause extensive...
Published on: Mar 07, 2023

Simple Answers from Weldon Spring Auto for St. Charles: 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: Aug 15, 2022

Air Blend Box

St. Charles 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 t...
Published on: Jan 03, 2022