Our Services

At Sun Auto we offer a comprehensive range of automotive repair services from engine diagnostics and brake repairs to transmission services, all performed by our certified technicians. We stand behind our skills with national warranty on our work, ensuring you drive away with complete confidence in the safety and reliability of your vehicle.

A/C & Heating Repair Stay cool & comfortable Schedule AC & Heating Service
Alignments Straight steering, even wear Schedule an Alignment
Batteries Fast testing & replacement Schedule Battery Service
Brake Repair Safe, reliable stopping Schedule Brake Repair
Engine Repair Power & performance fix Schedule Engine Repair
Flat Repairs / Tire Repairs Fix flats & leaky tires Schedule Tire Repair
Fluid Flushes Fresh fluids, better performance Schedule a Fluid Flush
Oil Change Quick & clean oil service Schedule an Oil Change
Preventative Maintenance Fast testing & replacement Schedule Preventative Maintenance
Steering & Suspension Repair Smooth, stable handling Schedule Steering & Suspension Repair
Tire Replacement Replace tires for safety Schedule Tire Replacement
Tire Rotation & Balance Extend the life of your tires Schedule Tire Rotation & Balance
Vehicle Inspection Checkups for peace of mind Schedule a Vehicle Inspection

Sun Auto Tire & Service Flower Mound | 1421 Justin Rd

*From 8/21/2025-8/23/2025, receive a full synthetic oil change for $49.99 (or a synethic blend oil change for $24.99) AND receive a voucher for a FREE oil change of equal value to be used within one year. Voucher may be used on original vehicle or another vehicle. Service includes up to five (5) quarts of motor oil, new oil filter and complimentary digital vehicle inspection. Vehicles requiring special oil or more than five quarts of oil may incur additional costs. Price good for most cars & light trucks. Must present coupon at time of service. No rainchecks. State or Local taxes and/or surcharges, as applicable. Certain restrictions apply. See store for complete details. CODE: OILM24, OILM49

*Purchase any two tires and get the third and fourth tire free. This promotion requires the purchase of Tire Protection Plan on all four tires at regular price. Maximum discount value is $300. Offer requires additional fees related to Mounting, Balance, Valve Stem or TPMS Service plus State Tire User, Disposal and/or Recycling Fee, as applicable. Must be installed. No rainchecks. State or Local taxes and/or surcharges, as applicable. Certain restrictions apply. See store for complete details. Valid 8/21/2025-8/23/2025. CODE: B2G2

*Get a complimentary & complete Digital Vehicle Inspection and receive a free diagnostic at no additional charge. Price good for most cars & light trucks. Must present coupon at time of service. No rainchecks. State or Local taxes and/or surcharges, as applicable. Certain restrictions apply. See store for complete details. Valid 8/21/2025-8/23/2025. CODE: DIAGFREE

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Our Services

Sun Auto Tire & Service Flower Mound | 1421 Justin Rd

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