About Trannyman Compete Auto Care

We are a family owned and operated business for 30 years, not a franchise! A unique highlight of our business is that we offer 100% free towing with any major repair. And, of course, we always provide free estimates. Trannyman Complete Auto Care, is determined to serve you with the highest level of integrity and professionalism. The only company you need for any and all of your transmission and auto care requirements.

Our experience in transmission and overall auto care spans 30 years in serving both the consumer and commercial customer in the Smithtown and surrounding vicinity. We are fully staffed with highly trained personnel, including Certified Technicians, Rebuilders and professional management proprietors.

We provide the latest “state-of-the-art” diagnostic automotive repair technologies and have highly effective skills in accurately analyzing, estimating, organizing, and managing every facet of your transmission and auto care needs. Our Service Manager personally oversees every phase of your transmission and auto service from initial estimate to completion and total customer satisfaction. We precisely evaluate each customer’s requirements and ensure excellent customer service and relations that generates new and repeat business. We can quickly identify, define, and solve any and all transmission and auto care problems while always meeting stringent specifications, regulatory factors, and deadlines. All our work – parts and labor is guaranteed! Member A.T.S.G. (Automotive Transmission Services Group).

Top Services

  • Alternator Replacement
  • Brake Pad and Rotor Replacement
  • Catalytic Converter Replacement
  • Scheduled Maintenance Service
  • Spark plug Replacement
  • Timing Chain Replacement
  • Transmission Fluid Services
  • Transmission Repair
  • Turbocharger Replacement
  • Water Pump Replacement

Top Vehicles Serviced

  • Acura
  • Audi
  • BMW
  • Honda
  • Hyundai
  • Jeep
  • Mazda
  • Mercedes-Benz
  • Nissan
  • Subaru
  • Toyota
  • Volkswagen


  • 12 mth/12K mi. warranty (whichever comes first) for parts & labor*

Services Offered

  • HVAC blower motor
  • Brake master cylinder
  • Brake pad replacement
  • Brake rotor Replacement
  • Brake shoe replacement
  • Radiator replacement
  • Brake system diagnosis
  • Check engine light diagnosis
  • Diagnose my vehicle
  • Electrical system diagnosis
  • Catalytic Converter replacement
  • Oxygen sensor replacement
  • Engine mount replacement
  • Timing Chain replacement
  • Turbocharger replacement
  • Water Pump replacement
  • Exhaust replacement
  • Muffler replacement
  • Fuel pump replacement
  • Fuel system repairs
  • Hybrid battery replacement
  • Hybrid inverter assembly
  • Ignition system diagnosis
  • Coolant system flush
  • Drive belt replacement
  • Engine oil and filter change
  • Minor/external transmission service
  • Serpentine / drive belt
  • Spark plug replacement
  • Timing belt replacement
  • Tire rotation
  • Alternator replacement
  • Battery replacement
  • Starter replacement
  • Suspension ball joint
  • Wheel alignment
  • Tire replacement
  • Axle shaft oil seal replacement
  • Transmission diagnosis
  • Transmission repair
  • Valve body service

Vehicles Serviced

  • Acura
  • Alfa Romeo
  • Audi
  • BMW
  • Buick
  • Cadillac
  • Chevrolet
  • Chrysler
  • Daewoo
  • Dodge
  • Eagle
  • Fiat
  • Ford
  • Freightliner
  • GMC
  • Genesis
  • Geo
  • Honda
  • Hummer
  • Hyundai
  • Isuzu
  • Jaguar
  • Jeep
  • Kia
  • Land Rover
  • Lexus
  • Lincoln
  • Lucid
  • Maybach
  • Mazda
  • Mercedes-Benz
  • Mercury
  • Mini
  • Mitsubishi
  • Nissan
  • Oldsmobile
  • Plymouth
  • Polestar
  • Pontiac
  • Porsche
  • Ram
  • Rivian
  • Saab
  • Saturn
  • Scion
  • Smart
  • Subaru
  • Suzuki
  • Tesla
  • Toyota
  • Volkswagen
  • Volvo


    • Early drop off
    • Shuttle service
    • Free wifi
    • Wait on site
2006 Nissan Titan
"Excellent service, and very punctual. "
"Went in for an oil change, was in and out quick. Mike was very kind and explained things every clearly which is great because honestly I know nothing about cars. His technicians were great and made sure to sanitize the car after they went in it. All in all I recommend them!"
"Great service. Excellent mechanics clean great prices. Very friendly Mike is such a great guy he fixed my car and made me happy I would allways have my car serviced by THE TRANNYMAN ty 😀 😊 😄"
"I brought my truck into this shop as I was recommended by a friend. I’ll tell you, I was very pleased with the work as well as the price. The owner Mike was very nice and explained exactly what he was going to do and what I needed and more importantly what I didn’t need. He didn’t do unnecessary work just to get extra money. He did an excellent job and I was very comfortable. You never want to leave a company feeling as if you were robbed. Well I’ll tell you, this is the company that you want to deal with. I will definitely be back if any future problems occur with my vehicle. Highly recommend company!"
"Great service. Mike the owner is very helpful, explains what is being done. Shows you the parts that need replaced and will go out of his way to accommodate. Reasonable prices, trustworthy. It's a complete auto care, so glad I found this place last year. Will not go anywhere else. I moved from the area and travel back because he's earned it. Definitely recommend this place."
"I have to say it was the best service. the very friendly people .and they went above and beyond my expectations. And when I went to pick up my car they detail it . it look like it came out if the show room. I can't wait to go back to check on my car and get it detail yes my new transmission rock I love these guys"


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