Hartsville, TN · ASE Certified
Specialized care for your engine and transmission.
Expert diagnostics and repair for complex automotive systems — plus brakes, tune-ups, AC, tires, and everything in between. Every repair backed by a 3-year / 36,000-mile nationwide warranty.
Expertise where it matters most
From routine maintenance to heavy internal repairs, we provide transparent service for every major vehicle system.
Engine Repair & Diagnostics
Advanced scanning and mechanical inspection to find and fix performance issues before they become failures.
Learn more →Transmission Repair & Rebuild
Fluid service, clutch replacement, and full rebuilds for automatic and manual transmissions.
Learn more →Brake Service
Pads, rotors, calipers, and hydraulic flushes so your stopping power stays consistent.
Learn more →Precision Tune-Ups
Plugs, filters, and calibration to restore fuel efficiency and smooth power delivery.
Learn more →AC & Heating Repair
Recharges, leak detection, and compressor work to keep your cabin comfortable year round.
Learn more →Oil Changes & Maintenance
Conventional, synthetic blend, and full synthetic oil services with a courtesy inspection.
Learn more →Why drivers choose Tech Masters
We treat every vehicle like it belongs to a member of our own shop family — with clear communication, honest pricing, and work backed by warranty.
Meet the shop →3-Year / 36,000-Mile Warranty
Nationwide coverage on qualifying repairs and parts.
Digital Inspection Reports
Photos and technician notes sent to your phone before work begins.
OEM-Quality Parts
Factory-equivalent or genuine components, installed by certified techs.
Transparent Estimates
You approve every repair before we turn a single bolt.
What our customers say
“Dealer quoted me a full transmission replacement. Tech Masters found a bad solenoid pack and saved me over four thousand dollars. They sent photos of everything.”
“Honest, fast, and they actually explain things. My AC has never blown colder and they had it done the same day.”
“Head gasket job done right the first time, on budget, and still running strong two years later. This is my shop now.”
Ready to get your vehicle back to factory spec?
Book online in under a minute, or call the shop and talk to a real technician.