Repair · Rebuild · Replace

Transmission Repair in Johnson City, TN

Slipping, shifting hard, leaking or stuck in Park?

We diagnose and repair automatic and manual transmissions on all makes and models. And as an authorized Certified Transmission installer, we can replace yours with a factory-quality unit backed by a 3 year, 100,000 mile warranty.

Call (423) 913-3111 See Your Options

How Do I Know if My Transmission Needs Repair?

Transmission problems rarely fix themselves, and catching them early can be the difference between a repair and a full replacement. Around Johnson City, we see a lot of transmissions strained by stop-and-go traffic on West Market Street, the climbs around Buffalo Mountain, and folks towing up into the mountains. Here are the most common warning signs.

Slipping out of gear or delayed engagement when you shift
Grinding, shaking, or a hard jolt when the transmission shifts
Fluid leaking under the vehicle, or fluid that looks or smells burnt
A transmission or check engine light on the dashboard
Whining, clunking, or humming noises that change with your speed
Trouble shifting into gear, or the vehicle staying stuck in one gear

If you notice any of these, don't wait. Small transmission issues turn into expensive ones the longer they go. Not sure if it's the transmission or something else? Our check engine light diagnostics can pinpoint it.

Who's doing the work

ASE Certified Master Mechanics, Authorized Certified Transmission Installer

Your transmission is diagnosed and repaired by our ASE certified master mechanics using digital scan tools to read transmission codes and pinpoint failing components, not guesswork. We're also an authorized installer for Certified Transmission, a company that has remanufactured automatic transmissions for decades, so if you need a full replacement, you get a factory-quality rebuilt unit backed by a 3 year, 100,000 mile nationwide warranty, all without a trip to the dealership.

We repair and replace automatic and manual transmissions on cars, trucks, Jeeps, and SUVs, domestic, import, and European, Honda, Toyota, Ford, Chevrolet, Jeep, BMW, Mercedes-Benz, Audi, and even high-end supercars. Every qualified repair we perform, not just a Certified Transmission replacement, is backed by our own 36 month, 36,000 mile nationwide warranty on parts and labor. You can read the full coverage details on our warranty information page, and because a transmission job is a real expense, we offer financing to help it fit your budget.

We diagnose before we quote, and we never sell a repair you don't need. If a fluid service or a single part fixes it, that's what we recommend, not a bigger job because it's more profitable.

Customer reviews

What Our Transmission Customers Say

"I had a clutch, slave, and clutch master done all in one day, and if you don't understand how impressive that is, you live under a rock. I came with several issues and left with none, at a fair price. I'm not from here, just traveling, and was treated like family. One of the cleanest, most organized shops I've ever seen."

Chris B.

"My wife's VW needed a transmission fluid change. They kept me up to date the whole time on what the issue was. Very clean front desk and wait room, snacks and drinks provided, and they even had my name on their welcome board first thing in the morning. Overall a great experience."

Caleb C.

"They worked with me so I could do the most needed services first. The pictures taken during the inspection showed me exactly what they were looking at. The service desk people were top notch, and I felt they cared about me and my car."

Debbie C.

"Took my Volkswagen Eos in for transmission service. They did a great job. Thanks Josh!"

Jan D.

Read more reviews on Google: Market Street (700+) · Hopper Road (90+)

What we diagnose

Transmission Problems We Diagnose and Repair

Automatic Transmission Repair

Slipping, hard shifts, delayed engagement, and full diagnostic and repair service.

Manual Transmission Repair

Grinding gears, hard shifting, and clutch-related transmission issues.

Transmission Fluid Leaks

Seals, gaskets, and pan leaks found and fixed, not just topped off.

Shift Problems

Slipping, hesitation, harsh shifts, or getting stuck in one gear.

Electronic Transmission Problems

Sensor faults and shift control issues on computer-controlled transmissions.

Solenoid Issues

A common, often inexpensive cause of shifting problems that's easy to misdiagnose as something bigger.

Valve Body Problems

Diagnosis and repair of the valve body that directs fluid to control shifting.

Clutch Problems

Clutch, slave cylinder, and master cylinder diagnosis and repair on manual transmissions.

Transfer Case & Driveline Issues

4x4 and AWD transfer case and driveline diagnosis. See our differential and drivetrain repair page for the full detail.

Do I Need a Transmission Replacement?

Not every transmission problem requires a complete replacement. Our technicians inspect the vehicle, diagnose the cause, and explain your options before any major repair is performed. A single sensor, a solenoid, a fluid leak, or a valve body issue can often be repaired directly. A full replacement is reserved for cases where the internal damage is too extensive to fix any other way, and we'll tell you plainly if that's what your vehicle actually needs, and why.

Cost Expectations

Transmission repair costs vary widely depending on the vehicle and the problem. A simple repair may involve a sensor, an electrical issue, a fluid leak, or a single component replacement, while internal transmission damage may require a rebuild or a full replacement. We diagnose before quoting, and we give you a real number for your specific vehicle after that diagnostic, not a generic estimate, always starting with the cheapest option that actually fixes the problem.

Can I Keep Driving With a Slipping Transmission?

Short trips at low speed, maybe. But a transmission that's slipping, hesitating, or jolting into gear is already damaging itself internally every mile you drive it. What starts as a fixable issue can turn into a full rebuild or replacement if you keep driving on it. If you can get it to us safely, do that instead of waiting.

What Does a Transmission Warning Light Mean?

A dedicated transmission warning light almost always means the computer has detected a real problem, like overheating, a slipping gear, or an electrical fault in the shift solenoids. Unlike some check engine light causes that can wait, a transmission-specific light is worth getting scanned soon rather than continuing to drive on it.

How Long Does Transmission Repair Take?

A fluid and filter service is usually same-day. A repair targeting a specific failed part often is too, depending on parts availability. A full rebuild or a Certified Transmission replacement takes longer since it's a bigger job, and we'll give you a real timeline once we know which one your vehicle needs.

Understanding your options

Repair, Rebuild, or Replace

A transmission problem doesn't always mean a whole new transmission. We diagnose the real cause first, then walk you through the right path. No upsell, just an honest recommendation.

1. Repair Your Transmission

Many problems come down to a single worn part, a failing solenoid, or old fluid, not the whole unit. When that's the case, a targeted repair gets you back on the road for far less than a replacement.

2. Rebuild Your Transmission

When a transmission has significant internal wear, our shop can rebuild it in-house. Our ASE certified techs replace the worn internals and restore reliable shifting.

3. Replace With a Certified Transmission Unit

For a full replacement, we install Certified Transmission's factory-quality rebuilt units. Every one is built from the ground up with premium components and inspected to meet or exceed factory specs, then backed by a 3 year, 100,000 mile nationwide warranty.

What's Included in a Transmission Inspection

A proper inspection covers a lot more than just checking the fluid. Our ASE certified technicians check the full system:

Transmission fluid level, color, and condition
Filter and pan gasket
Seals and gaskets, checked for leaks
Torque converter operation
Solenoids and electronic shift controls
Mounts and linkage
A road test to confirm shift quality and pin down any slipping, hesitation, or noise

All these parts have to work together for smooth, reliable shifting. If a repair, rebuild, or full replacement is needed, we'll explain exactly what's going on and what it takes to fix it.

How We Handle Transmission Repairs

Whether you've noticed the warning signs or you're just due for a checkup, our ASE certified master mechanics have the training and the diagnostic equipment to find what's really going on. We use digital tools to read transmission codes, pinpoint failing components, and confirm whether the trouble is coming from the transmission itself or somewhere else in the drivetrain, including the engine or the differential. If the symptoms point elsewhere, our engine repair and differential and drivetrain repair teams work from the same diagnosis.

Full transmission diagnostic scan
Fluid and filter service
In-house transmission rebuilds
Certified Transmission installation, backed by 3 years / 100,000 miles
Financing options available

We also handle transmission service for local businesses as part of our fleet maintenance program.

Two shops in Johnson City

Bring Your Transmission to Either Location

Location One

West Market Street

3832 W Market Street
Johnson City, TN 37604

(423) 913-3111

Call Shop Directions

Location Two

Hopper Road

216 Hopper Road
Johnson City, TN 37604

(423) 328-7036

Call Shop Directions

Common questions

Transmission Repair FAQ

How do I know if my transmission needs repair?

Watch for slipping or delayed engagement, grinding or a hard jolt when shifting, fluid leaks or burnt-smelling fluid, a transmission or check engine light, whining or clunking that changes with speed, and trouble getting into gear. Any of these is worth a look.

How much does transmission repair cost?

It depends on what's actually wrong. A fluid and filter service or a single failed solenoid costs far less than a rebuild, and a rebuild costs less than a full replacement. We diagnose first and give you a real number for your specific vehicle.

Can I keep driving with a slipping transmission?

You can for short, low-speed trips, but a slipping or hesitating transmission is already damaging itself internally. Continuing to drive on it can turn a fixable issue into a full rebuild or replacement.

What does a transmission warning light mean?

It almost always means the computer has detected a real problem, like overheating, a slipping gear, or an electrical fault in the shift solenoids. It's worth getting scanned soon rather than continuing to drive on it.

Do I have to replace the whole transmission?

Not always. Many problems come down to a single worn part, a failing solenoid, or old fluid. We diagnose the real cause first, since a full replacement isn't always necessary. Your options are repair, rebuild, or replace.

What is a Certified Transmission?

It's a factory-quality rebuilt transmission built with premium components and inspected to meet or exceed original factory specs. As an authorized installer, we can put one in your vehicle backed by a 3 year, 100,000 mile nationwide warranty.

Do you offer financing for transmission work?

Yes. A transmission repair or replacement is a big expense, so we offer financing to help make it fit your budget.

Do you repair automatic and manual transmissions?

Yes, both, on cars, trucks, Jeeps, and SUVs, domestic and import, at both our Market Street and Hopper Road locations.

Serving Johnson City and the Tri-Cities

We handle transmission repair and replacement for drivers across Johnson City, Jonesborough, Gray, Telford, Chuckey, Elizabethton, Erwin, Fall Branch, Greeneville, Kingsport, Limestone, Mosheim, Mountain Home, and Piney Flats. New to us? Learn what sets our shop apart or see our full list of services.

Repair, rebuild, or replace

Let's figure out your transmission together

Call either shop for an honest diagnosis and a clear plan, with financing available and Certified Transmission units backed by 3 years / 100,000 miles.

Schedule Appointment Call W Market St Call Hopper Rd

W Market St · (423) 913-3111 Hopper Rd · (423) 328-7036