Get Connected

Free Loaner Cars for Service Taking More Than 1 day!

Services in Santa Clarita, CA

All the Services You Need in One Stop!

Our Quality Guarantee

At Valencia Auto Performance and Simply Smog, we guarantee your complete satisfaction and the reliability of our services with a 24-month/24,000-mile warranty on all parts and labor. We want our customers to be as confident as we are in our automotive services, so in addition to our competitive guarantee, we work closely with each visitor to address their individual needs. From comprehensive inspections to thorough diagnostics, we identify problems and make recommendations for all makes and models to improve and maintain overall health. Our large, fully-equipped location in Santa Clarita, CA accepts all sizes of vehicles and repairs. We use OE equivalent quality parts on all repairs to protect vehicle performance and value. You can trust the level of dedication we put into your vehicle.

BBB A+ Repair Shop

Valencia Auto Performance and Simply Smog in Santa Clarita, CA received an A+ rating from the Better Business Bureau (BBB) for our clean shop environment and commitment to ethical practices. As a family-owned and operated facility, we know what it takes to earn the trust of our community and families. We promise honest, fair and quality services for every visitor that walk through our door. Our commitment to providing the best customer service meant we needed to be the area’s most trusted automotive experts. We achieved the Automotive Service Excellence (ASE) Blue Seal for our shop and certifications for our individual technicians, demonstrating our complete skill and competency for a range of auto services.

Voted “Cleanest Shop in Santa Clarita, CA!”

Our Services

Check out the full service offerings at Valencia Auto Performance and Simply Smog. We’ve come a long way from just emissions testing and repair! While we are still a STAR Certified Smog Station, we also offer all the maintenance services your vehicle will ever need to stay in top condition, from lube service to suspension repair. Visit us for your vehicle’s factory maintenance. We accept walk-in customers, but you can also schedule an appointment at your convenience with our online scheduling system. Contact us today at 661-259-5600. We are happy to answer any of your questions or concerns. We look forward to seeing you!

We Specialize in a Variety of Auto Repair Services

Standard Maintenance Services

  • Factory Scheduled Maintenance
  • 30/60/90/120K Mile Services
  • DMV Certified Vehicle Inspection & Repairs
  • State Emission Inspections & Repairs
  • Computer Diagnostics
  • Oil Changes
  • Tune Ups
  • Filter Replacements
  • Safety & Emissions Inspections
  • Windshield Wiper Blades
  • Fluid Services
  • Trip Inspections
  • Maintenance Inspections
  • Check Engine Light Diagnostics & Repair
  • Brake Repair & Antilock Braking System (ABS) Repair
  • Shocks & Struts Repair
  • Chassis & Suspension Repair
  • Suspension & Steering Repair


  • Transmission Repair & Service
  • Transmission Replacement
  • Driveline Repair & Maintenance
  • Axle Repair & Replacement
  • Clutch Repair & Replacement
  • Transmission Fluid Service
  • Flywheel Repair & Replacement
  • Driveshaft & U-Joint Repair
  • Transmission Flush
  • Differential Diagnosis
  • Differential Rebuild & Service

Engine Services

  • Engine Repair
  • Engine Performance Check
  • Belt Replacement
  • Hose Replacement
  • Cooling System Repair
  • Radiator Repair & Replacement
  • Water Pump Repair & Replacement
  • Drivability Diagnostics & Repair
  • Fuel Injection Repair & Service
  • Fuel System Repair & Maintenance
  • Ignition System Repair & Maintenance

Tire Services

  • Tire Sales
  • Tire Installations
  • Tire Rotation
  • Tire Balancing
  • Tire Replacement
  • Tire Air Pressure Checks
  • Tire Pressure Monitoring System (TPMS) Repair & Service

Heating & Air Conditioner Repair

  • Heating & Cooling System Diagnostics
  • Auto Air Conditioning Repair & Service
  • Heating System Repair & Service
  • Belt Repair & Replacement
  • Compressor Repair & Replacement
  • Evaporator Repair & Replacement
  • Refrigerant Replacement

Auto Electrical Services

  • Electrical System Diagnostics & Repair
  • Alternator Repair & Replacement
  • Starter Repair & Replacement
  • Windshield Wiper Repair
  • Power Lock Repair
  • Power Antenna Repair
  • Power Steering Repair
  • Power Window Repair
  • Power Accessory Repair
  • Light Repair & Bulb Replacements