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Sales: 9:00 AM - 9:00 PM
Service: Closed Today

STG Auto Service In Garden Grove, Ontario & Montclair, CA

Listed below are some of the many types of services we offer to our customers. Sorry, we cannot provide pricing due to the hundreds of different makes and models for which we offer service. If you would like an estimate, please call us at (855) 965-2166. We would be pleased to provide you with an estimate over the phone.
  • Oil Change
  • Tire Mounting, Rotation and Balance
  • Transmission Service
  • 30K, 60K, 90K Service
  • Engine Diagnostic (Check engine light, fluid light, service light, etc)
  • Brake System (Pads, rotor, lines, etc)
  • Heating/Cooling Systems
  • Head Gasket/Valves
  • Exhaust Systems
  • Electronic Motors (Windows, fan, etc.)
  • Engine Replacement or Rebuild
  • Fuel Systems (Filters, hoses, pumps, etc)
  • Steering Systems
  • Belts (Timing, alternator, etc)
  • Electrical Systems
  • Ignition System
  • Emission Control System
  • Suspension System (Axle, mounts struts, etc)
  • Clutch Repair/replacement
  • Warranty Repairs
Dealer Information
STG Auto Group Ontario, Montclair & Garden Grove, CA Get Directions
STG Garden Grove: (855) 637-2379
STG Ontario/Montclair: (855) 637-1975
Sunday:
9:00 AM - 9:00 PM
Monday:
9:00 AM - 9:00 PM
Tuesday:
9:00 AM - 9:00 PM
Wednesday:
9:00 AM - 9:00 PM
Thursday:
9:00 AM - 9:00 PM
Friday:
9:00 AM - 9:00 PM
Saturday:
9:00 AM - 9:00 PM
Sunday:
CLOSED
Monday:
9:00 AM - 6:00 PM
Tuesday:
9:00 AM - 6:00 PM
Wednesday:
9:00 AM - 6:00 PM
Thursday:
9:00 AM - 6:00 PM
Friday:
9:00 AM - 6:00 PM
Saturday:
9:00 AM - 5:00 PM
Sunday:
CLOSED
Monday:
9:00 AM - 6:00 PM
Tuesday:
9:00 AM - 6:00 PM
Wednesday:
9:00 AM - 6:00 PM
Thursday:
9:00 AM - 6:00 PM
Friday:
9:00 AM - 6:00 PM
Saturday:
9:00 AM - 5:00 PM
Phone:

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