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
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2010 Honda Civic
Mileage210,741Service Date1/16/2025Services Performed- Changed Motor Oil & Replaced Filter, Added 3.90QTS Synthetic Motor Oil, Lube Chassis, Check all Fluid Levels
- ROCKER ARM OIL CONTROL VALVE – Remove & Replace – 1.8L Eng – [NOTE: Labor estimates listed are for R&R only and DOES NOT include diagnosis time.]
BYRON F. gave our service a 5 star review on 1/17/2025 -
2017 Hyundai Elantra
Mileage131,176Service Date1/14/2025Services Performed- PRESSURE CHECKED COOLING SYSTEM AND FOUND THE HEATER HOSES WERE LEAKING AT THE CONNECTIONS. REMOVED HOSES AND CLEANED CORROSION AND PUT NEW CLAMPS ON.
SUZANNE H. gave our service a 5 star review on 1/17/2025 -
2019 Nissan Rogue
Mileage104,859Service Date1/15/2025Services Performed- BLOWER MOTOR RESISTOR – Remove & Replace – Variable Blower Control – [Includes: R&I Brake Pedal and Bracket Assembly.]
- TESTED BLOWER MOTOR, FOUND THE RESISTOR IS NOT GROUNDING THE CIRCUIT, NEEDS BLOWER MOTOR RESISTOR.
- 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.
JOHN B. gave our service a 5 star review on 1/16/2025 -
2017 Dodge Grand Caravan
Mileage121,272Service Date1/10/2025Services Performed- emission inspection
JOSEPH Z. gave our service a 5 star review on 1/11/2025 -
2009 Cadillac CTS
Mileage212,422Service Date1/10/2025Services Performed- WHEEL BEARING – Remove & Replace – V6,RWD Front,One Side – [Includes: Replace Seals and repack Bearings (where applicable).]
- Road test and verify engine performance, transmission operation, and shift patterns. Flush transmission which includes: flushing of transmission cooler, cooler lines, valve body, and torque converter. Flush all contaminated fluid out and replace with fresh transmission fluid.
- RIGHT FRONT WHEEL HUB IS CAUSING THE ABS AND TRACTION LIGHT TO COME ON, CHECKED FLUID LEVEL AND CONDITION. TRANSMISSION FLUID IS LOW ON FLUID AND STARTING TO GET DIRTY.
SKIP R. gave our service a 5 star review on 1/11/2025 -
2011 Honda Accord
Mileage157,784Service Date1/9/2025Services Performed- ONE OF THE CV AXLES IS CAUSING THE VIBRATION, CAN NOT BE SURE BY LOOKING AT THEM, LOOKS LIKE LEFT FRONT IS NOT RUNNING AS TRUE AS THE RIGHT SIDE WHEN RUNNING ON THE RACK.
- AXLE SHAFT ASSEMBLY – Remove & Install or Remove & Replace – Both – [NOTE: For Independent Suspension Type Axles, Axle Shaft Assembly consists of Axle Shaft, Boots and Joints.]
PAUL C. gave our service a 5 star review on 1/10/2025 -
2006 Chevrolet Impala
Mileage105,402Service Date1/9/2025Services Performed- POWER STEERING HOSE – Remove & Replace – V6 Pressure
STEVE F. gave our service a 5 star review on 1/10/2025 -
2011 Chevrolet Silverado
Mileage184,182Service Date1/8/2025Services Performed- THROTTLE POSITION SENSOR – Remove & Replace – 1500,V8 Service Kit – [Includes: Perform Relearn procedure. Includes: R&I Throttle Body Assembly.]
- HAS CODE FOR THROTTLE POSITION CORRELATION, TESTED THROTTLE BODY AND FOUND THE SENSOR IS BAD. NEEDS THROTTLE BODY
- 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.
JIM K. gave our service a 5 star review on 1/9/2025 -
2018 Dodge Durango
Mileage87,140Service Date1/7/2025Services Performed- SCANNED SYSTEM AND FOUND CODE FOR EVAP SMALL LEAK DETECTED. USING THE SCAN TOOL, MONITORED LIVE DATA AND FOUND THE FUEL TRIMS WERE LEAN WITH THE EVAP PURGE SOLENOID WORKING. VISUALLY INSPECTED EVAP SYSTEM AND NOTICED A NEW PURGE VALVE HAD BEEN INSTALLED RECENTLY. AFTER FURTHER VISUAL INSPECTION ALSO NOTICED THE QUICK CONNECT AT THE PURGE SOLENOID HAD A CRACK IN THE LINE. THE EVAP LEAK IS COMING FROM THE EVAPORATIVE EMISSIONS LINE ASSEMBLY TO PURGE VALVE. (INCLUDES REMOVE AND REPLACE EVAP LINE ASSEMBLY.) HOISTED VEHICLE AND FOUND THE OIL LEAK IS COMING FROM THE FRONT RIGHT ENGINE MOUNT. THE MOUNT IS FILLED WITH DARK OIL/FLUID AND HAS BEGUN LEAKING.
- ENGINE OR TRANSMISSION MOUNT – Remove & Replace – V6 Engine,Left Side
MARSHALL J. gave our service a 5 star review on 1/8/2025 -
2019 Ford F-250 Super Duty
Mileage72,051Service Date1/2/2025Services Performed- Changed Motor Oil & Replaced Filter, Added 7 QTS Synthetic Motor Oil, Lube Chassis, Check all Fluid Levels
JOE D. gave our service a 5 star review on 1/4/2025 -
2011 Chevrolet Silverado
Mileage133,062Service Date12/27/2024Services 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
ANTHONY R. gave our service a 5 star review on 12/28/2024 -
2007 Chevrolet Tahoe
Mileage192,377Service Date12/19/2024Services Performed- OIL PRESSURE SENDER OR SWITCH – Remove & Replace – [Includes: R&I Intake Manifold.]
CHRIS P. gave our service a 5 star review on 12/20/2024
