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

General / Misc

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Giving CV Joints the Boot! (CV Joint and Boot Replacement)

Ever wonder how your vehicle’s transmission is connected to your wheels? After all, when you hit a pothole or some other uneven part of a road’s surface, there has to be something that can...
Published on: Sep 15, 2024

Keeping Your Cool (Coolant leak repair)

If there’s one thing you should pay attention to with your vehicle, it’s the temperature gauge. It’s the one that may say C---H (that means “cold---hot”).  Or maybe ...
Published on: Aug 25, 2024

Why is Air Not Coming Out of My Vents?

You climb inside your vehicle, start the ignition, and reach for the fan control for the heating or air conditioning.  But when you try to crank it up, no air comes out of the vents. It can make ...
Published on: Jul 28, 2024

A Bright Spark (Ignition Coil Replacement)

Ever wonder how your vehicle’s engine is able to take the 12-volts from its battery and ramp that up to as high as the tens of thousands of volts it takes to fire its spark plugs? The secret is ...
Published on: Jul 07, 2024

Flat Tire? Three’s the Charm (Tire Repair)

For most drivers, at some point you’re going to have a flat tire. Depending on how it was damaged, it may have to be replaced.  But sometimes, a repair will do the trick, as long as the pun...
Published on: Jun 23, 2024

Command Performance (Engine Air Filter)

The internal combustion engine in your vehicle counts on two things that mix together to be burned in the engine for power: fuel and air.  Both are important, of course.  If you run out of f...
Published on: Jun 16, 2024

Clean Machine (Fuel and Air Induction Cleaning)

As your vehicle ages, its performance isn’t quite what it used to be, but many of us never notice the change because it’s gradual.  So here are a few questions to ask yourself.  ...
Published on: Jun 02, 2024

Feeling Powerless (Why Is My Battery Light On?)

When one of your vehicle’s warning lights comes on, the first thing that comes to mind is, “Oh, no, what’s wrong now?” When it’s the battery light, it means there’s...
Published on: Feb 28, 2024