Transmission Repair & Replacement

Is your transmission shuddering? Having trouble shifting gears? Experiencing strange noises?

We’re here for you.

Whether you’re dealing with slipping gears, delayed shifting, warning lights, fluid leaks, or a mysterious vibration, our ASE-certified team will identify the root cause and explain your options clearly. From transmission maintenance and tune-ups to repairs and replacements, we’ll help you understand what your vehicle needs and why, so you’re never left guessing.

Transmission and drivetrain work is our specialty.

For more than 65 years, drivers throughout Sanford and Central Florida have trusted Harrell & Beverly for honest recommendations, expert diagnostics, and dependable repairs.

Start Here:

Whether you’re looking for routine maintenance or dealing with a transmission concern, you’ll find helpful information below:

Noticing Symptoms?

Review the "Signs Your Vehicle Needs Transmission Care" section to learn what warning signs to watch for.

Need Preventative Maintenance?

Learn about our Transmission Tune-Up (TTU) Service and how regular service can extend transmission life.

Wondering About Repairs or Replacement?

Check out our Transmission Repair, Replacement, and Maintenance FAQs for answers to common questions about costs, repairs, maintenance, and transmission problems.

Our goal is simple: to help you get the most life out of your transmission, avoid unnecessary repairs, and keep your vehicle safely on the road.

Signs Your Vehicle Needs Transmission Care

Taking care of your car’s transmission can save you from costly repairs down the road. Here are some friendly reminders to help you spot potential issues early:

Warning Lights

The check engine light might signal a transmission issue. Bring your car to us, and we’ll diagnose the problem accurately.

Unusual Sounds

Your transmission should operate quietly. If you hear clunks, whines, or hums, it’s time for a professional inspection.

Leaks

Keep an eye out for red or pink fluid under your car. Transmission fluid is easy to spot and should never be ignored. Check fluid levels regularly, especially before long drives.

Odd Shifts and Vibrations

Trust your instincts. If your car feels shaky or shifts oddly, let us take a closer look to prevent bigger issues.

Don’t wait to address these issues!

We can save you from costly transmission replacements or rebuilds by catching and fixing issues early on. Schedule an appointment for honest, reliable transmission care.

Our Transmission Tune-Up Service

Protect Your Transmission Before Problems Start

Your transmission is one of the most complex and expensive systems in your vehicle. Every time you accelerate, merge onto the highway, tow a trailer, or sit in stop-and-go traffic, your transmission is hard at work transferring power from the engine to the wheels.

To do that, it relies on clean transmission fluid to lubricate moving parts, reduce heat, and provide the hydraulic pressure needed for smooth shifting.

Over time, that fluid breaks down. Heat, friction, and normal wear gradually reduce its ability to protect your transmission, much like engine oil eventually loses its effectiveness.

That’s where our Transmission Tune-Up (TTU) Service comes in.

Regular transmission maintenance helps remove contaminants, restore protection, improve shifting performance, and extend the life of your transmission. Think of it as preventative healthcare for one of the most important components in your vehicle.

Our comprehensive TTU service includes:

✔ Road test before service
✔ Transmission pan removal and inspection
✔ New transmission filter installation (where applicable)
✔ New transmission pan gasket installation
✔ Under-vehicle inspection
✔ Shift linkage inspection and adjustment (where applicable)
✔ Inspection for excessive wear or internal debris
✔ Drain torque converter (where applicable)
✔ Refill with manufacturer-recommended transmission fluid
✔ Final road test and quality control inspection

A Small Investment That Can Save Thousands

A properly maintained transmission can often provide well over 150,000 miles of reliable service. Regular transmission maintenance helps maximize performance, improve longevity, and reduce the likelihood of expensive repairs or replacement.

If you’re not sure when your transmission was last serviced, we’d be happy to inspect it and help you develop a maintenance plan that fits your vehicle and driving habits.

Our Transmission Repair & Replacement Process

At Harrell & Beverly, we don’t believe in guesswork, just good work. Here’s how we handle every transmission concern.

(We don’t give estimates over the phone because the right fix starts with the right diagnosis. Just like you wouldn’t let someone prescribe medication without an exam, we won’t guess about your car!)

  • We Listen to Your Concerns: You tell us the symptoms and concerns you’re having.
  • Schedule a Diagnostic Appointment: Our team will test drive and evaluate the vehicle.
  • Perform In-Depth Testing: We use advanced diagnostics to pinpoint the issue.
  • Provide Recommendations: Whether it’s a repair, service, or replacement, we’ll guide you honestly.
  • Create a Written Estimate: No surprises. You approve before we do anything.
  • Get You Back on the Road: We stand behind our work with quality parts and skilled technicians.

We’re a proud installer of Jasper Engines and Transmissions.

With changes in vehicle technology, it can be far more beneficial to install a JASPER® remanufactured transmission. We will walk you through all the options available to you if your vehicle needs a new engine or transmission.

Transmission Repair, Replacement & Maintenance FAQs

What are the most common signs of a transmission problem?

Common symptoms include delayed shifting, slipping gears, harsh shifts, unusual noises, leaking transmission fluid, vibrations, or a transmission warning light. If something feels different while driving, it's best to have it evaluated before the problem becomes more serious.

How do I know if I need a transmission repair or a transmission replacement?

Not every transmission problem requires replacement. Many concerns can be corrected with repairs, software updates, electrical repairs, or maintenance services. Our diagnostic process identifies the root cause so we can recommend the most cost-effective solution for your vehicle.

How much does transmission repair cost?

Transmission repair costs vary depending on the vehicle, the cause of the problem, and the repair required. Some issues involve sensors, wiring, or solenoids, while others require internal repairs. We perform testing and diagnostics before providing recommendations and estimates.

What causes a transmission to fail?

Low or contaminated fluid, overheating, lack of maintenance, electrical failures, internal wear, and towing or heavy-duty use can all contribute to transmission problems. Regular maintenance and early diagnosis can often prevent major failures.

Can a transmission be repaired instead of replaced?

Yes. Many transmission issues can be repaired without replacing the entire unit. Problems involving sensors, valve bodies, solenoids, wiring, leaks, or software often have repair options. We always look for the best solution before recommending replacement.

Do you work on automatic transmissions, manual transmissions, and CVTs?

Yes. Our technicians diagnose and service many types of transmissions, including traditional automatic transmissions, manual transmissions, continuously variable transmissions (CVTs), and four-wheel-drive transfer case systems.

Do you offer transmission maintenance services?

Yes. Regular transmission maintenance helps extend the life of your transmission and can reduce the risk of expensive repairs. Services may include fluid exchanges, filter replacements, and inspections based on your manufacturer's recommendations.

How often should transmission fluid be changed?

Service intervals vary by manufacturer, vehicle, and driving conditions. Some vehicles recommend transmission service every 30,000 to 60,000 miles, while others may go longer. We can review your maintenance schedule and recommend what's best for your vehicle.

What happens during a transmission diagnostic evaluation?

We don't simply pull codes and guess. Our ASE-certified technicians perform testing, scan tool analysis, road testing, and inspections to identify the root cause of the concern. You'll receive a detailed report with findings and recommendations so you can make an informed decision.

Do you rebuild transmissions in-house?

Transmissions are our specialty, and we've rebuilt many over the years. Today, we recommend the best solution for each vehicle, which may include repairs, maintenance, or a quality remanufactured transmission such as JASPER®. Our goal is long-term reliability and value.

What does a transmission fluid leak look like?

Transmission fluid is usually red, pink, or reddish-brown in color and may appear as a puddle or spots underneath your vehicle. Fresh transmission fluid is typically bright red and slightly sweet-smelling, while older fluid may appear darker brown. If you notice fluid under your vehicle, it's important to have it inspected promptly. A transmission fluid leak can lead to low fluid levels, overheating, poor shifting, and potentially serious transmission damage if left unaddressed.

What vehicles have the most common transmission problems?

Transmission problems can occur in any vehicle, but some makes and models have developed known issues over the years. Certain Ford, Nissan, Jeep, Chevrolet, Honda, and Dodge vehicles have experienced transmission concerns ranging from shifting problems and torque converter failures to CVT-related issues. That doesn't mean every vehicle from those manufacturers will have problems. Proper maintenance, fluid services, and early diagnosis can significantly extend transmission life. If you're experiencing unusual shifting, warning lights, or drivability concerns, our ASE-certified technicians can help determine exactly what's going on.

Can low transmission fluid cause shifting problems?

Yes. Low transmission fluid can cause delayed shifting, slipping gears, harsh shifts, overheating, and unusual noises. Transmission fluid serves as both a lubricant and hydraulic fluid, making it critical to proper transmission operation. If fluid levels become low due to a leak or lack of maintenance, transmission performance can suffer and internal damage may occur. That's why we recommend having transmission concerns evaluated as soon as symptoms appear.
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