Each location has varying hours and closures over the Holidays. Click this link to view each location’s hours, or give us a call!

You rely on your GMC to keep you and your family going. Whether it’s in the heat of summer or the middle of the coldest winter, you and your GMC tackle the open road confidently. You expect the best from your GMC, so why trust its transmission repairs to just anyone.

When it comes to GMC transmission repair, you should choose local, experienced professionals for stellar service. At National Transmission, our certified transmission experts have years of experience handling complete GMC transmission repairs. We know how to keep GMC transmissions working properly for years to come, keeping you and your passengers safe throughout every mile of your journey.

With five transmission repair facilities across Lethbridge, Medicine Hat, Calgary and the surrounding area, you’re never far from reliable GMC transmission repair. Our crew offers complete service, including:

  • Automatic transmission rebuilding / overhauling
  • Transmission diagnostics
  • Driveline diagnostics
  • Clutch and flywheel services
  • Electrical transmission diagnosis
  • Differential rebuilds
  • Constant velocity (CV) axle inspections and replacements
  • …and much more

When you need reliable transmission repair at a fair price, choose the experienced and hardworking team from your local National Transmission. Contact us today to schedule service!

We’re Proud to be Affiliated With:

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  • national-transmission-affiliation-amvic
  • national-transmission-affiliation-bbb
  • national-transmission-affiliation-caa
  • national-transmission-affiliation-ama
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