How Much Does Car Gearbox Repair Cost?
Costs vary depending on whether you need a minor fix, a full rebuild, or a complete replacement.
| Repair / Service | Cost (NJ) |
|---|---|
| Minor gearbox repair (seals, sensors, fluid flush) | $300 – $700 |
| Standard gearbox rebuild (automatic or manual) | $1,200 – $2,500 |
| Complete gearbox replacement (OEM or remanufactured unit) | $2,500 – $4,500 |
| Labor only (you supply the gearbox) | $800 – $1,500 |
We always give you a written estimate before starting work, so you know what you're paying for and why. For routine fluid maintenance pricing, see our gearbox fluid price guide.
Minor gearbox repair (seals, sensors, fluid flush). Noticing hesitation, grinding, or slipping? Start with a comprehensive transmission diagnostic before it turns into a full rebuild.
Call 201-935-5100 Book an appointment370 Paterson Ave, East Rutherford · Mon–Sat 8:00 AM–6:00 PM
Keep Your Shifts Smooth, Reliable & Responsive
Your vehicle's gearbox – whether automatic or manual – is essential for transferring power from the engine and motor to the wheels. Since a gearbox is a complex system, when it starts to malfunction you'll notice hesitation, grinding, slipping, or complete loss of drive. A failing transmission can quickly lead to serious damage if left unchecked.
As an experienced automotive service center, we follow a proven gearbox repair process that restores smooth shifting, protects your drivetrain, and gets you back on the road with confidence.
Signs Your Gearbox Needs Repair
Shifting feels hesitant or rough between gears.
You notice slipping during acceleration.
Whining, clunking, or grinding sounds from the transmission.
Caused by wear or fluid issues under the hood.
Red or brown transmission fluid under the car.
Check engine or transmission warning light comes on.
What to Expect from Our Gearbox Repair Service
We scan for fault codes, inspect torque delivery, check fluid level, and perform failure analysis, along with a full general inspection to detect hidden issues.
We check bearings, seals, and other components using professional equipment, repairing or replacing faulty parts with durable, high-grade components.
Worn gears, clutches, or shaft parts are repaired or replaced with precision, or a new gearbox is installed if repair isn't possible.
We flush old, contaminated fluid and replace it with manufacturer-recommended transmission fluid for proper operation and lubrication.
We confirm smooth gear engagement, check for leaks, and complete a test drive to ensure safe operation.
How We Diagnose a Gearbox Problem at Our Shop
Listen to your description
We ask when the symptoms started, what they feel or sound like, and under what conditions.
Scan for fault codes
We pull transmission and engine codes and check live data for shift timing, torque converter lockup, and sensor readings.
Check fluid condition and level
Low, burnt, or discolored fluid tells us a lot before we ever open anything up.
Road test and inspect internal wear
We reproduce the complaint on the road, then inspect bearings, seals, clutches, or gear components if needed.
Once we know what's actually wrong, we explain your options plainly — repair, rebuild, or replacement — along with real cost estimates, before any work begins.
Why Three Brothers Auto Repair?
Restore shifting performance and prevent further performance issues – book your car gearbox repair at Three Brothers Auto Repair Service in NJ today. With proper maintenance, transparent gearbox repair cost estimates, and the expertise of our professional technicians, we guarantee reliable results and peace of mind. Mike, Tony, and Dave Henderson each play a hands-on role in every diagnostic, from listening to your description at the service desk to pulling fault codes and inspecting components.
- Same-day service on most jobs — most repairs done same or next day
- Transparent pricing — the same ranges you see on our pricing page, no hidden fees
- OEM-quality parts with manufacturer warranties
- Text and photo updates during the repair
- Honest calls — if a cheaper fix does the job, we’ll tell you
- Increased friction and heat: — Low or dirty fluid accelerates wear on gears, clutches, and bearings.
- Extra drivetrain strain: — Slipping under acceleration puts added stress on the engine and other components.
- Fluid loss and internal damage: — A minor seal leak, left unaddressed, can drain enough fluid to cause the transmission to run dry.
- Bigger bills: — What started as a $200–$400 fluid service can turn into a $1,200+ rebuild, or in worse cases, a full replacement.
If you're noticing any warning signs, it's worth getting it looked at before it gets worse. You can reach us through our contact page or see our full range of work on our services page, check general repair pricing on our prices page, or review the full gearbox pricing breakdown on our gearbox repair page.
Frequently asked questions
Is it worth fixing a gearbox?
Fixing a gearbox is often worth it if the car is relatively new or still has good resale value. A working gearbox is essential for safe driving, and replacing the car entirely usually costs far more than repair.
What are the signs that your brakes need servicing?
There are several clear warning signs that your brakes may need attention: squealing or grinding noises, longer stopping distances, a soft or spongy brake pedal, vibration when braking, or the brake warning light turning on. If you notice any of these symptoms, it’s important to have your brakes inspected promptly to avoid more expensive repairs and ensure safe driving.
Can a car gearbox be repaired?
Yes. Most car gearboxes can be repaired if the damage is not too severe. Repairs might involve replacing worn gears, bearings, or seals. In cases of heavy damage, a rebuild or replacement may be required.
Can automatic gearbox be repaired?
Yes. Automatic gearboxes can be repaired, though the process is more complex than with manual ones. Specialists can replace solenoids, clutches, and other internal parts. In some cases, a full rebuild or replacement may be more cost-effective.
How much does a gearbox fluid service cost in NJ?
How often should gearbox fluid be changed?
Can I keep driving with a slipping transmission?
Do you work on both automatic and manual gearboxes?
Three brothers. One promise: honest repair.
Established by three brothers with over 20 years of combined experience, Three Brothers Auto Repair is a trusted community shop in East Rutherford, NJ. ASE-certified mechanics, written estimates, and straight talk.
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