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Welcome to 

MasterTech Autoworks

An Authorized NAPA Repair Facility

Our Mission

The Master Tech Team is committed to excellence! We are the leading provider of automotive repair services in the Downriver Detroit Area.  We fix ALL makes and models of cars.  We strive to provide our customers with excellent service, quality repairs, & the BEST Price!  

MasterTech Automotive has been serving Detroit customers for over 18 years. Our ASE CERTIFIED Repair Technicians can provide quality service in these areas-

bulletForeign & Domestic Vehicles
bulletEngine Diagnostics
bulletTune Ups & Routine Maintenance
bulletComputer Codes
bulletSuspension & Chassis Repair
bulletEngine Repairs/ Replacement
bulletAC Delco Automotive Parts
bullet Batteries 
bulletAC Delco
bulletCustom Work
bulletClassic Cars
bulletJeeps and  4X4's
bulletStock Cars (Flatrock Enduro, Street Stock)
bulletHigh Performance Hop-Ups
bulletSuperchargers- Centrifugal, Roots-type, & Blowers
bulletNitrous Oxide Systems (NOS)
bulletUnder Drive Pulleys
bulletCustom Engines
bulletCarburetor Tuning

Stay a while. Browse around. There are plenty of photos, stories, and tips on this site.


Check out our Taurus & Sable Front Brake Special!

Has your new car warranty run out?

We can help!

Click here to see how!

Let us SAVE you money at the gas pump.

Just because the check engine light has been on for years, doesn't mean it's not costing you money.

A vehicle that has a check engine light on needs service.  When the light is on the computer is running the vehicle less efficiently...  Costing you dollars per mile!  Something as simple as a broken vacuum line, poor seal at the gas cap, bad thermostat, or tune-up related items will affect your fuel economy.  Many people think cars are made to be tuned up at 100,000 miles.  This is NOT TRUE.  Your driving habits may subject you to a more frequent maintenance schedule.

Have us check the maintenance schedule for your car.



Mother Nature can be tough on a vehicle.  Make sure your vehicle's starting, charging, & cooling system is up to the task.  


    Battery Testing & Service

     Charging & Starting

       Cooling System / Heater / Heater Core

       Lubricate Chassis, Change Oil & Filter

       Anti-lock Braking & Traction Control Systems

       Climate Control Check Out


       Belts & Hoses

       Aero Wiper Blades & NEW Aquapel Treatment

       Battery & Replacement Cable Ends

       Headlamps & Taillights

       Tires and Suspension Parts

 Ask us which of these services would be best for your vehicle.


Master Tech's A/C recharge is guaranteed for ONE YEAR!

Other repair shops will just charge your system and forget about you.  If it leaks out you will pay them again!  If we recharge your air conditioning and a leak occurs, you pay for the repair on the leak, and we recharge the system free... For 1 year!

We are now an OFFICIAL Cherry Bomb Muffler Dealer!

Visit Cherry 

Our Company Profile... Meet the Team!

Craig Karvas - Shop Manager/Certified Master Technician

Craig is incredibly talented and has over 35 years experience with automobile repair.  Downriver Michigan's residents know that Craig's shop produces quality work at reasonable prices... That's why we're number One in the hearts of our customers, and he feels the same way!  Please call or visit if you have any questions or special needs, or if you would like an estimate on any repairs or services.


Jack - Certified Technician & High Performance Guy

Jack has worked as a technician for over 25 years and can perform any task with equal ease!  Jack also doubles as our High Performance Guy.  If you've got a Hot Rod and you want it to go faster... Jack's your man. If you want to install Superchargers, Turbochargers, and Nitrous Oxide Systems Jack has expertise in them all.  Heck, If it is broken and has wheels, Jack can fix it. 


Marty - ASE Certified Technician

Marty is familiar with all the late model vehicles.... and early stuff too (He drives a 'Cuda). We stole him from the Chevy Dealer!   He knows the in's and out's of every car on the road. Do you have Drivability issues? Or an Engine light that stays on? How about a Strange noise???   He's repaired them ALL! 

** Try this.  Close your eyes.  Think  "Mr. Goodwrench".   Okay... that's Marty! 


Todd - ASE Certified Technician 

Todd has a lot of mechanical and technical prowess...  his repairs are really top-notch.  This guy is unbelievable! A virtuoso when it comes to "All thing's MOPAR"... Just ask for "Doctor Dodge"... We'll know who your talkin' about!!!   Don't believe me, Just check out the Sinister Dodge Show truck that he owns. You can see it in action HERE.  


Bill & Dom - Customer Service/Gopher

These friendly guys handles our phone calls and customer counter.  What's a Gopher?? (Well, I'm not talking about the furry rodent.) If we don't have your item in stock, we send 'em out to "go-fer" your parts!


Fred & Norm- Sales/Accounting

These guys handles our supplies, billing, and make sure we stay in business. 


We Are Always Looking for a few Good Technicians!

Fax your resume to us at 734-284-3196, or come down in person.

New Stuff!!!

We Now have Dyno Simulation Software

Are you saving up parts to build your dream engine?

Do you wonder how much power that combination of parts will work out once it's assembled?? 

Bring us your info and we can spec it out for you on the Simulator.




Contact Information

We service vehicles in these fine Downriver Detroit communities- Riverview, Trenton, Wyandotte, Southgate, Grosse Ile, Lincoln Park, Allen Park, Flat Rock, Woodhaven, Gibraltar, New Boston,  Taylor, Dearborn Heights, Carleton, Rockwood, & Huron Township

15 minutes South of Metro Airport
15 minutes from the Lincoln Park Greyhound bus terminal 




Postal address

18750 Fort Street #22, Riverview, MI 48193

Hours of Operation

Monday - Friday  8:00 AM  -  7:00 PM

      Saturday  8:00 AM  -  2:00 PM
Electronic mail

Customer Support:

        Mail is checked every 10 days on this site.  
        Call for estimates and general info.

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For: Craig and Adam 

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