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Our Services

Your Vehicle is in Good Hands


Tire Repair and Replacement

Have a nail in your tire? Cave Springs Conoco offers several different types of repair to get you back on the road. If your tire is bald or blown out, it can easily be replaced with new Nexen tires we keep in stock. Our tire selection also includes a variety of used tires. If we do not have the size or brand tire you are looking for, we can order it and have the tire by the following business day.

A/C Repair

A/C blowing warm or not blowing at all? Our mechanics can diagnose and fix the issue for you. We can make sure your A/C is performing at its full capacity. Cave Springs Conoco offers maintenance services such as an A/C Recharge and a Coolant Flush.

AC Repair
Roadside Assistance

Roadside Assistance

You’re a busy person — don’t let vehicle problems get in your way. Cave Springs Conoco Auto Repair and Locksmith has a tow truck and the experience to locate, repair and/or replace the issue quickly and effectively. Call us to take care of your Roadside Assistance needs today.

Fluid Check

Cave Springs Conoco performs a fluid check before every oil change and major service that our mechanics carry out on your vehicle. Our mechanics will check windshield wiper fluid, brake fluid, power steering fluid, transmission fluid, oil, and coolant.

Fluid Check
Battery Test_3

Battery Test

Our Battery Test services are what set us apart from other mechanics. Making your vehicle work harder than it needs to will shorten its life. Cave Springs Conoco will test your battery and advise you of what service needs to be performed. Those services typically include cleaning and sealing battery terminals to eliminate corrosion, replacing the battery, replacing the terminals, or replacing the battery cables. If the battery is being drained, we can test for parasitic draw.


Cave Springs Conoco has a drive-on, 4 wheel, Alignment rack that makes aligning your vehicle quick and easy. You’ll be amazed by the difference our Alignment services will make.

Truck Parts Repair and Maintenance_2
Pressure Testing

Pressure Testing

Our Pressure Testing services are what set us apart from other mechanics. Making your vehicle work harder than it needs to will shorten its life. Drop it off with the pros at Cave Springs Conoco Auto Repair and Locksmith today. We know what to do.

Vehicle Inspection

Cave Springs Conoco is a licensed vehicle inspection station. Our licensed technicians are able to perform safety inspections and emissions tests Mon-Sat. from 8am-6pm.

Mechanic's Garage

Preventative Maintenance

Want to prevent a large repair bill for your vehicle? Cave Springs Conoco has a wide range of regular or preventative maintenance services to offer. These services include: Oil Change, Air Filter, Cabin Air Filter, Coolant Flush, Brake Flush and Brake Service, Power steering Flush, Transmission Service, Differential Services, Transfer Case Service and many more. Call us to take care of your Preventative Maintenance needs today.

Engine and Transmission Replacement

Cave Springs Conoco is not limited to smaller repairs. If your engine or transmission needs replaced, our mechanics have the ability to get you back on the road with a new or used engine or transmission.

Transmission Rebuilding
Car Keys


Lose all your keys or want an extra key? No worries.. we are mobile and can cut and program keys on the go in the Saint Charles and Saint Louis areas. We have a large stock of keys, fobs, and key accessories. We have all your car key needs.

Propane Refill and Exchange

Cave Spring Conoco has propane refill and exchange year-round. The standard 20 lb BBQ propane tank is $15 to refill and $19 to exchange. All other sizes are $3.75 per gallon to refill. Conoco has the ability to fill RV and Forklift tanks. Come see us today!


As a full-service garage, Cave Springs Conoco Auto Repair and Locksmith has all your auto repair needs covered. Got questions? Get in touch with us today.

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