About Multistate Transmissions Milex Complete Auto Care of Naperville

For 40+ years, Multistate Transmission - Milex Complete Auto Cares has been known as the go to repair center when it comes to transmission repair and drive train components. Transmissions are the most complicated system in your car and our technicians have the experience, knowledge and expertise to diagnose and repair this system. Everyone depends on their vehicle, and you can depend on us. Multistate Transmission - Milex Complete Auto Cares will make sure your vehicle is dependable and running the way you expect it to run. Come to us for any of your transmission issues.

When you combine America’s leading transmission repair service with auto professionalism and expertise, you get Multistate Transmission - Milex Complete Auto Cares. We have more than 40 years of experience in the industry, so you can count on us to complete your transmission repair correctly the first time. We're proud to help drivers throughout the Naperville, IL area.

Top Services

  • Air Conditioning Recharge
  • Alternator Replacement
  • Brake Pad and Rotor Replacement
  • Catalytic Converter Replacement
  • Scheduled Maintenance Service
  • 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

  • Air conditioning diagnosis
  • Air conditioning recharge
  • 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
  • Safety or Emission inspection
  • Suspension ball joint
  • Axle shaft oil seal replacement
  • Transmission diagnosis
  • Transmission repair
  • Valve body service

Vehicles Serviced

  • Acura
  • Audi
  • BMW
  • Buick
  • Cadillac
  • Chevrolet
  • Chrysler
  • Dodge
  • FIAT
  • Ford
  • GMC
  • Honda
  • Hyundai
  • Infiniti
  • Isuzu
  • Jaguar
  • Jeep
  • Kia
  • Land Rover
  • Lexus
  • Lincoln
  • MINI
  • Mazda
  • Mercedes-Benz
  • Mercury
  • Mitsubishi
  • Nissan
  • Oldsmobile
  • Pontiac
  • Porsche
  • Ram
  • Saab
  • Saturn
  • Scion
  • Subaru
  • Suzuki
  • Toyota
  • Volkswagen
  • Volvo
  • smart


    • Early drop off
    • Shuttle service
    • Free wifi
    • State inspection
    • Wait on site
2018 Chevrolet Cruze
"Prompt service, honored appointment, in and out in an hour."
2014 Honda Civic
"Nice People...great service!"
2018 Honda Accord
2003 Dodge Durango
"Great place very kind I definitely will return"
2012 Chevrolet Camaro
"These people are top notch technicians. I had my car checked at couple of places to find out the issue. They couldn’t figure it out. But, These technicians figured out in minutes and fixed it. You find excellent and experienced people in this place. 10/10. "
"Exceptional service with kind and professional delivery. I would strongly recommend this business and will tell my customers, family and friends. Rating 5 Stars!"
"They did a great job on my trans. Always willing to whatever it takes to make you happy."
"Danny is the best, had our Acura in storage with us in NV; we shipped it back so we could use it in Naperville while we are there 4mo out of the year. Dan and his crew not only took the vehicle out of stored mode but it runs better than it ever did and the transmission now glides and the 3.2tl stype purs like a kitten and FLAT TAKES FLIGHT THANKS DAN & CREW"
"This shop tried to take my wallet for a ride after locking out my vehicle by enabling the immobilizer with the wrong key. Did a brief “inspection” which didn’t include anything other than OBDII scanning and trying to start the car with the wrong key. Was told I needed a new motor. Unbelievable."
"Got transmission rebuilt on short notice. Dropped off car on Tuesday, picked up Friday morning. Runs like a dream!! Thanks guys!!"


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