Auto transmission repair service at CTR Automotive
Transmission Service & Repair

Auto Transmission
Repair & Rebuild
Concord, NC

Your transmission is the second most complex and expensive component in your vehicle. The difference between a minor service and a complete rebuild often comes down to early detection and accurate diagnosis.

30+
Years Experience
All Types
Auto, CVT, Manual, DCT
3yr/36K
Warranty
4.5★
Google Rating
Mon–Fri 8 AM – 5 PM
2 Locations: Concord & Kannapolis
(704) 788-8998 · (704) 795-2426
4.5★ Google Rating · 460+ Reviews
Why Choose CTR

Concord's Trusted Transmission Experts

For over 30 years, CTR Automotive has been the go-to shop for transmission repair in Concord and Kannapolis. We don't guess — we diagnose. Every transmission repair starts with a comprehensive evaluation using professional-grade scan tools, pressure testing, fluid analysis, and road testing.

We service all transmission types — conventional automatics, CVTs, manual transmissions, dual-clutch (DCT), and automated manuals. Whether it's a $150 fluid service or a $4,000 rebuild, you'll get an honest diagnosis and a written estimate before any work begins.

Two convenient locations in Concord and Kannapolis mean you're never far from expert transmission service. All repairs backed by our 3-year, 36,000-mile warranty.

CTR technician inspecting transmission components

Accurate Diagnosis First

Comprehensive diagnostic process identifies the exact problem. We never recommend a major repair when a minor one will suffice.

All Transmission Types

Conventional automatics, CVTs, manual, dual-clutch, and automated manual — manufacturer-specific knowledge for every type.

3-Year, 36K Warranty

Industry-leading warranty on all transmission repairs — from fluid changes to complete rebuilds and replacements.

30+ Years Experience

Serving Concord and Charlotte since 1995. Our transmission specialists have decades of hands-on experience.

Honest Consultation

Realistic assessments of repair economics. If repair costs exceed vehicle value, we'll tell you rather than sell unnecessary work.

All Makes & Models

Domestic, Asian, and European — every manufacturer's transmission serviced with the correct procedures and fluids.

Our Transmission Services

Complete Transmission Repair Services

From basic fluid changes to complete rebuilds and replacements — every repair starts with accurate diagnosis. Click any service below for details.

Transmission Fluid & Filter Service

Regular fluid service is the single most important maintenance item for transmission longevity. Fluid serves as hydraulic medium, cooling agent, and lubricant. We offer conventional drain-and-fill as well as complete fluid exchange using specialized equipment.

Conventional drain, filter, and refill (40–60% replacement)
Complete fluid exchange via cooling lines (near 100%)
Manufacturer-specified fluids only
Pan inspection and magnet cleaning
Gasket replacement
Post-service road test

All Makes & Models Serviced

FordChevroletDodge/RamGMCToyotaHondaNissanHyundaiKiaSubaruMazdaBMWMercedes-BenzAudiVolkswagenVolvoJeepChryslerBuickCadillac
Know the Signs

Warning Signs Your Transmission Needs Attention

Recognizing problems early can be the difference between a relatively inexpensive repair and a complete rebuild.

Performance Issues

Transmission slipping

Engine RPM increases without corresponding acceleration, especially uphill or under load.

Harsh or delayed shifting

Hard engagement, noticeable delays from Park to Drive/Reverse, rough shifting between gears.

Loss of power under load

Reduced acceleration capability, particularly during highway merging or hill climbing.

Vehicle won't move in gear

Engine runs normally but vehicle won't move in Drive or Reverse — immediate attention needed.

Unusual Noises

Whining or humming noise

High-pitched noise changing with vehicle speed — internal wear or fluid pump problems.

Grinding during shifts

Harsh mechanical noises during shifting, particularly in manual transmissions — synchronizer wear.

Clunking when shifting

Heavy thud or clunk when engaging Drive or Reverse — worn mounts or internal damage.

Visual & Fluid Signs

Red or brown fluid under vehicle

Transmission fluid leak — red when new, brown when aged. Any leak requires prompt attention.

Check engine or transmission light

Dashboard warning lights indicating transmission-related DTCs stored in the computer.

Dark or burnt-smelling fluid

Dark, burnt-smelling fluid on dipstick indicates overheating damage — schedule diagnosis immediately.

Shudder at 35–50 mph

Noticeable vibration at highway speeds, often indicating torque converter lockup clutch failure.

Cost Escalation Warning

A $500 solenoid replacement today can become a $4,000 rebuild if ignored. Any of these symptoms warrant immediate professional diagnosis — continuing to drive typically accelerates damage and increases repair cost significantly.

Cost & Comparison

Transmission Repair Cost Reference

ServiceCost Range
Transmission Fluid & Filter Service$150 – $400
Solenoid Replacement$300 – $800
Valve Body Repair$500 – $1,500
Torque Converter Replacement$800 – $2,000
Manual Clutch Replacement$800 – $2,000
Complete Transmission Rebuild$2,500 – $5,000
Transmission Replacement (Reman)$3,000 – $6,000

Written estimates provided before any work begins. Prices vary by vehicle make, model, and transmission type.

What's Included in Every Transmission Service

Professional-grade scan tool diagnosis with live data
Road test evaluation of shift quality and timing
Transmission fluid condition analysis
Line pressure testing when indicated
Written diagnosis and detailed repair estimate
Written warranty documentation
Post-repair road test and performance verification
Fluid Systems

Conventional ATF vs CVT Fluid

Using the wrong transmission fluid causes shifting problems, seal deterioration, and premature failure. CTR uses manufacturer-specified fluids for every transmission type.

Transmission fluid service at CTR Automotive
FeatureConventional ATFCVT Fluid
Healthy FluidBright red/pinkLight amber/green
SmellSweet/neutralMild/neutral
Damaged FluidDark brown/black, burntDark, metallic smell
Service Interval30,000–60,000 mi30,000–40,000 mi
Interchangeable?No — type-specificNo — CVT fluid only

Important: Conventional ATF and CVT fluid are NOT interchangeable. Using the wrong type can cause immediate shifting problems, seal damage, and premature transmission failure. CTR stocks manufacturer-specified fluids for all transmission types.

Our Facility

Equipped for Every Transmission Job

Our shops are equipped with professional-grade transmission diagnostic and repair equipment including scan tools with live transmission data, pressure testing equipment, transmission jacks, and complete rebuild facilities. Every bay has the tools needed for accurate diagnosis and quality repair.

Rebuild vs. Replace — We'll Help You Decide

Not every transmission problem requires a rebuild. Many symptoms can be resolved with solenoid replacement, valve body service, or fluid exchange at a fraction of rebuild cost. We'll give you an honest assessment of the most cost-effective solution.

Schedule Diagnosis: (704) 788-8998
CTR Automotive multi-bay shop with vehicles on lifts
Transmission valve body inspection and repair
CTR Automotive repair facility exterior
Transmission rebuild on workbench
Two Convenient Locations

Transmission Repair Near You

CTR Automotive Concord

2525 Zion Church Rd SW, Concord, NC 28025
Mon–Fri 8 AM – 5 PM
(704) 788-8998

CTR Automotive Kannapolis

2203 Roxie St NE, Kannapolis, NC 28083
Mon–Fri 8 AM – 5 PM
(704) 795-2426

Also serving:

ConcordCharlotteKannapolisHarrisburgMidlandMount PleasantSalisburyChina GroveMooresvilleHuntersvilleCorneliusDavidsonMatthewsMint HillIndian TrailGastoniaBelmont
Common Questions

Transmission Repair FAQ

18 common questions about auto transmission repair, answered by our technicians.

Don't Ignore
Transmission Warning Signs

Schedule your transmission diagnosis today. Early detection prevents costly rebuilds — a $500 fix today can save you $4,000 tomorrow.

2525 Zion Church Rd SW, Concord, NC 280252203 Roxie St NE, Kannapolis, NC 28083

Mon–Fri 8 AM – 5 PM