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National Transmission, Inc
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Auto Maintenance

Experienced Auto Maintenance

Free Estimates | Locally Owned | Experienced Auto Technicians

Free Estimates
Locally Owned
Experienced Auto Technicians

Request Your Appointment

Comprehensive Auto Maintenance Services

Your car is one of your largest investments. Keep it running smoothly and safely through regular preventative maintenance. At National Transmission Inc, we make it easy and convenient to give your car the tender loving care it needs to last for years to come. Contact us for an air conditioning recharge for just $99.95!
Auto maintenance

Why Choose Us to Maintain Your Vehicle?

  • Local ownership
  • Superior customer service
  • Commitment to quality
  • Reliable and affordable
  • Prompt and convenient service
  • Expert technicians
  • FREE computer diagnostics with repairs
  • FREE towing with major repairs
Car Maintenance

Local Car Maintenance Professionals

National Transmission Inc is the only name you need to know for car care in Portage, IN. Our vehicle maintenance services include oil changes, engine diagnostics, and more. Bring your car or truck to our shop today. We have served the area since 1991 and are committed to customer satisfaction!
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Call now
for a FREE estimate.
(219) 762-2228
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