Welcome to Sigmund Auto Service
Premium Automotive Service in O'Fallon, MO
If you’re looking for auto repair in O'Fallon, MO, you’ve found us. Here at Sigmund Auto Service we work hard to earn your trust and loyalty. We know how important it is to find a O'Fallon car service you can rely on, so your satisfaction is our top priority each and every day.
Our professional automotive service offers you years of combined expertise from our well-trained technicians. We treat our auto repair professionals well because we value their skill and can-do attitude. We know our team sets us apart, saving you time and money, not to mention worry. When it comes to auto repair in O'Fallon, we are totally confident that Sigmund Auto Service is the best option in town!
Sigmund Auto Service
511 Civic Park Dr
O'Fallon, MO 63366-1653
(636) 272-3388
Mon-Thu: 8am-5pm
Friday: 7am-4pm
Sat-Sun: Closed
Sigmund Auto Service
511 Civic Park Dr
O'Fallon, MO 63366-1653
(636) 272-3388
Mon-Thu: 8am-5pm
Friday: 7am-4pm
Sat-Sun: Closed
Directions
Shop Partners
Why Choose Sigmund Auto Service
For years Sigmund Auto Service has been there for the people of O'Fallon. We love what we do, and that basic fact fuels our business. We are dedicated to our customers, and that’s why they stick with us—the best auto repair O'Fallon has to offer.
Sigmund Auto Service was founded on the basic idea that everyone deserves respect. It is our mission to treat each person that comes through our door with dignity and sensitivity. We believe this attention to detail has paid off by providing us with our loyal, friendly family of customers. That’s what makes Sigmund Auto Service the best car service in O'Fallon!
- 12 Month/12,000 Mile Warranty
- Trained Automotive Technicians
- Serving O'Fallon, MO
The Absolute Best Car Service in O'Fallon, MO
What sets Sigmund Auto Service apart from all of the others in O'Fallon, MO?
Trust: When it comes to auto repair in O'Fallon, MO, it’s all about earning loyalty and trust by doing our very best every day. We are determined to earn and keep your trust.
Talent: At Sigmund Auto Service, you can rest easy knowing that our highly-skilled, experienced auto service professionals are handling your car. Our technicians bring years of experience, skill, and education to the O'Fallon auto repair table.
Time: We take the time we need to provide you with top quality car service in O'Fallon, MO, and we take the time to talk to you about what that means. We listen to you so we understand your needs and goals for your auto repair.
Recently Serviced Vehicles
-
2021 Ford Explorer
Mileage7,399Service Date7/1/2025Services Performed- Remove wheels from vehicle. Inspect brakes.Rotate tires.Reinstall wheels to vehicle and torque lug nuts to manufacturer's specifications.
- Changed Motor Oil & Replaced Filter, Added 6 QTS Synthetic Motor Oil, Lube Chassis, Check all Fluid Levels
- emission inspection
- REMOVED ,REPLACED BATTERY AND CLEANED CABLES
- BATTERY FEE
TOM V. gave our service a 5 star review on 7/2/2025 -
2015 Ford Focus
Mileage93,415Service Date6/30/2025Services Performed- APPLY UV PROTECTANT ON CV AXLE BOOTS
- Changed Motor Oil & Replaced Filter, Added 4.5 QTS Synthetic Motor Oil, Lube Chassis, Check all Fluid Levels
DAVID B. gave our service a 5 star review on 7/1/2025 -
2019 Subaru Forester
Mileage45,878Service Date6/26/2025Services Performed- HAS CODE P26A5 ENGINE COOLANT BYPASS VALVE A POSITION SENSOR CIRCUIT RANGE / PERFORMANCE. HISTORY FAULT P26A3 ENGINE COOLANT BYPASS VALVE RANGE / PERFORMANCE – HISTORY FAULT. FOUND A TECH BULLETIN FOR THESE CODES, SHOULD BE UNDER WARRANTY FOR 15 YEARS OR 150,000. FOR THIS PROBLEM.
GARY H. gave our service a 5 star review on 6/27/2025 -
2022 Honda Accord
Mileage93,290Service Date6/25/2025Services Performed- emission inspection
AMY B. gave our service a 5 star review on 6/26/2025 -
2007 Honda Odyssey
Mileage228,765Service Date6/24/2025Services Performed- safety and emission inspection
GERRY N. gave our service a 5 star review on 6/25/2025 -
2020 Jeep Renegade
Mileage36,168Service Date6/24/2025Services Performed- Changed Motor Oil & Replaced Filter, Added 5 QTS Synthetic Motor Oil, Lube Chassis, Check all Fluid Levels
GLENDA E. gave our service a 5 star review on 6/25/2025 -
2015 Ford F-350 Super Duty
Mileage185,120Service Date6/23/2025Services Performed- DRAG LINK – Remove & Replace – 4WD Outer
- Changed Motor Oil & Replaced Filter, Added 7 QTS Synthetic Motor Oil, Lube Chassis, Check all Fluid Levels
- Remove wheels from vehicle. Inspect brakes.Rotate tires.Reinstall wheels to vehicle and torque lug nuts to manufacturer's specifications.
Greg R. gave our service a 5 star review on 6/24/2025 -
2021 Ford F-250 Super Duty
Mileage81,979Service Date6/23/2025Services Performed- HEADLAMP ASSEMBLY (COMPLETE) – Remove & Replace – One,w/LED Headlamps – [Includes: R&I Grille Assembly.] – [DOES NOT include adjust Headlamps.]
- PINION SHAFT SEAL – Remove & Replace
- PROGRAM NEW HEADLIGHT MODULE IN THE RIGHT SIDE HEADLIGHT
MATT R. gave our service a 5 star review on 6/24/2025 -
2007 GMC Savana
Mileage173,265Service Date6/17/2025Services Performed- PRESSURE CHECKED COOLING SYSTEM AND FOUND THE THERMOSTAT HOUSING IS LEAKING. REPLACED THERMOSTAT HOUSING AND FILLED COOLING SYSTEM.
KEVIN D. gave our service a 5 star review on 6/23/2025 -
2017 Dodge Grand Caravan
Mileage184,984Service Date6/19/2025Services Performed- Changed Motor Oil & Replaced Filter, Added 6 QTS Synthetic Motor Oil, Lube Chassis, Check all Fluid Levels
- Remove wheels from vehicle. Inspect brakes.Rotate tires.Reinstall wheels to vehicle and torque lug nuts to manufacturer's specifications.
- safety and emission inspection
NATHAN M. gave our service a 5 star review on 6/20/2025 -
2008 Dodge Nitro
Mileage97,239Service Date6/18/2025Services Performed- (Combination) – CALIPER – Replace One
- Replace rear brake pad linings and rear brake disc rotors. Clean and lubricate brake calipers and slide mechanisms. Check and fill brake fluid. Bleed air from system. Road test vehicle.
- Service air conditioner. Check condition of all belts and lines. Evacuate and recharge with reclaimed R-134. Test system performance.
CHRISTINE D. gave our service a 5 star review on 6/19/2025 -
2021 Chrysler Pacifica
Mileage120,780Service Date6/13/2025Services Performed- CHECKED FOR SPARK, CHECKED FUEL PRESSURE. FOUND WATER WAS IN THE FUEL, PUMPED FUEL OUT OF FUEL TANK UNTIL NO WATER WAS COMING OUT.
RICK B. gave our service a 5 star review on 6/14/2025
