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Transmission Repair in St. George, UT

Slipping, rough shifts or a leak? Our ASE-certified St. George techs diagnose first and recommend the right fix, backed by a 12-month / 12,000-mile warranty*.

Or request an estimate

4.4 ★ · 174 Google reviews

1380 W Sunset Blvd, St. George, UT 84770 · Get Directions

Mon-Fri 8:00am-5:30pm | Sat Closed | Sun Closed ·

  • Waiting room
  • Free Wi-Fi
  • Walk-ins welcome
  • Online booking

12-month / 12,000-mile warranty* on parts & labor

Honored at every Master AutoTech location · Serving Utah and Idaho since 1963

*Exclusions apply. Ask your service advisor for full warranty terms.

Transmission Repair at Master AutoTech St. George in St. George, UT

  • ASE Certified Technicians
  • Best of State Utah
  • Top Workplaces
  • Family Owned Since 1963

Master AutoTech St. George diagnoses, services and repairs automatic and manual transmissions for drivers across St. George, Santa Clara and Ivins. We tell you whether you need a fluid service, a repair or a rebuild before any work starts, and back the work with our 12-month / 12,000-mile warranty*.

Stop-and-go traffic on Sunset Boulevard and the climb up Snow Canyon heat transmission fluid and wear it out faster. Our shop is on Sunset Boulevard at 1400 West, so we’re easy to reach before a small shifting problem turns into a rebuild.

Transmission Repair Services We Offer

Transmission diagnosis

Code scan, fluid inspection and road test to find what’s really wrong.

Fluid service

Drain-and-fill or exchange with the fluid your manufacturer specifies.

Transmission repairs

Solenoids, sensors, seals, gaskets, cooler lines and valve body repairs.

Clutch replacement

Clutch, pressure plate and flywheel service for manual transmissions.

Transmission rebuilds

Disassembly, inspection and rebuild with quality parts when repair isn’t enough.

Drivetrain service

Differentials, transfer cases and CV axles on trucks, SUVs and AWD vehicles.

What St. George Drivers Say

How Often Should You Service Your Transmission?

Most automatic transmissions need a fluid service every 30,000 to 60,000 miles; check your owner’s manual, because some “lifetime” fluids still benefit from changing. Towing, stop-and-go traffic on Sunset Boulevard and climbing Snow Canyon heat the fluid and break it down faster.

Driving condition Recommended fluid service
Normal commuting Every 50,000–60,000 miles
Towing, hauling or mountain driving Every 30,000 miles
Manual transmission Every 30,000–60,000 miles
CVT Follow the manufacturer schedule closely

Signs You Need Transmission Repair

Catching transmission problems early can mean a repair instead of a rebuild. Watch for:

  • Slipping gears or RPMs that climb without acceleration
  • Rough, harsh or delayed shifts
  • A delay before the car moves in Drive or Reverse
  • Red or brown fluid under the vehicle
  • A burning smell after driving
  • Whining, clunking or humming noises
  • The check engine or transmission warning light

How Much Does Transmission Repair Cost in St. George?

Transmission costs range from a fluid service to a full rebuild, so diagnosis comes first. Price depends on the transmission type (automatic, manual or CVT), what failed, and your vehicle. Many shifting problems are solved with a solenoid, sensor or fluid service rather than a rebuild. We’ll explain every option and price before we start.

Need to spread out the cost? Master AutoTech offers several financing options, including the Goodyear Credit Card (6-month special financing on purchases of $250 or more), the Synchrony Car Care credit card, the 1stMILE Mastercard, Snap Finance, Acima, Surepay and RC Willey financing.

We’re here to help

Slipping or shifting hard? Book a transmission check or call 435-264-8433.

Why Choose Master AutoTech St. George for Transmission Repair

Repair before replace

We look for the fix that solves the problem, not the most expensive one.

ASE-certified technicians

Required to earn ASE certification within 90 days of joining our St. George team.

Quality parts & fluids

OEM or equivalent parts and the exact fluid your transmission specifies.

Warranty-backed

Transmission repairs are covered for 12 months or 12,000 miles.

About Master AutoTech St. George

We’re a family-owned shop that treats every vehicle like it belongs to a neighbor. Master AutoTech started as Master Muffler in 1963 and grew into Utah’s largest auto repair franchise, and this Sunset Boulevard shop brings that experience to St. George. Every technician here earns ASE certification within 90 days of joining the team.

You’ll find us on Sunset Boulevard at 1400 West, on the way to Santa Clara and Snow Canyon, a short drive west of I-15. Look for our Master AutoTech sign on Sunset Boulevard and pull into our lot.

Wait in our waiting room with free Wi-Fi, or step out while we work: Perks!, Anasazi Steakhouse and Arctic Circle are a short walk away. We take care of drivers from St. George, Santa Clara, Ivins, Washington and Bloomington every day.

Free app · iPhone & Android

Download the Master AutoTech app and earn rewards

  • Rewards & offersOffers and rewards land right in the app, not in a drawer full of coupons.
  • Check-engine alertsSee the actual codes your car is throwing and message the shop about them.
  • Maintenance trackingKnow what’s due and what’s overdue, with a weekly report on your vehicle.
  • Glove BoxKeep registration, insurance and service records in one place.

How to get rewards: download the free app and your offers and rewards land right in it, ready to use at your next visit. Open the app before your visit to see what’s waiting for you. Book a Master Oil Change and get a free Master Link that connects your car to the app.

Download on the App StoreGet it on Google Play
Master AutoTech app home screen and vehicle profile

Areas We Serve

Drivers come to Master AutoTech St. George for transmission repair from across St. George, Santa Clara and Ivins.

Book an AppointmentCall 435-264-8433

Mon-Fri 8:00am-5:30pm | Sat Closed | Sun Closed

Get Directions · 1380 W Sunset Blvd, St. George

✓ 12-month / 12,000-mile warranty* *Exclusions apply.

✓ Financing available · See options

✓ Get rewards in the Master AutoTech app

Offer

Buy 3 Tires, Get the 4th Free

Buy 3 tires, get the 4th free, Oct 1 – Dec 31.

Ends December 31, 2026 · Details

Nearby Master AutoTech Locations

Master AutoTech Cedar City

49.3 miles away

590 N Main St
Cedar City, UT 84721

435-238-4755

Transmission Repair in Cedar City

Master AutoTech South Orem

242.2 miles away

184 State St
Orem, UT 84058

801-877-0305

Transmission Repair in South Orem

Master AutoTech Vernal

318.2 miles away

1758 S 1500 E
Vernal, UT 84078

435-625-3735

Transmission Repair in Vernal

Other Services at This Location

Engine Repair

Diagnosis, repairs and rebuilds

Oil Changes

Synthetic, blend and high-mileage oil

Brake Repair

Pads, rotors and brake inspections

Tune-Ups

Plugs, filters and fluid service

Shocks & Struts

Smoother, safer ride and handling

Wheel Alignment

Stop pulling and uneven tire wear

Frequently Asked Questions

Yes. Master AutoTech St. George is on Sunset Boulevard at 1400 West at 1380 W Sunset Blvd, St. George, and we handle transmission repair for drivers from Santa Clara, Ivins, Washington, Bloomington and Hurricane every day. Book online or call 435-264-8433.

It can be. Long climbs, towing and stop-and-go traffic heat transmission fluid and wear it out faster. If you drive those roads often, have the fluid checked at our St. George shop every 30,000 miles.

It depends on what’s wrong. A fluid service or solenoid is a modest repair; a rebuild is a major one. We diagnose first and give you an estimate for each option before any work starts.

A fluid service takes about an hour. Most repairs take a day or two. A rebuild can take several days depending on parts. We’ll give you a timeline after diagnosis.

Booking online or calling 435-264-8433 is best so we can schedule a road test. Walk-ins are welcome for a quick check.

Yes. Transmission repairs at Master AutoTech St. George are covered by our 12-month / 12,000-mile warranty* on parts and labor.

It’s risky. Slipping can leave you without power when you need it, and driving on it usually turns a repair into a rebuild. Have it checked as soon as possible.

Yes. We service and repair automatics, CVTs and manual transmissions, including clutch replacement.

Visit Master AutoTech St. George

Master AutoTech St. George
1380 W Sunset Blvd
St. George, UT 84770
Get Directions

Mon-Fri 8:00am-5:30pm
Sat Closed
Sun Closed

Getting here

  • From I-15: Take the St. George Boulevard or Bluff Street exit and head west on Sunset Boulevard to 1400 West.
  • From Santa Clara: Head east on Sunset Boulevard; we’re at 1400 West.
  • Parking: Pull into our lot on Sunset Boulevard; there’s covered parking beside the shop.