Modern Diesel Centre logo – truck repair BramptonModern Diesel CentreMechanical · Electronics · Hydraulics

Transmission Rebuilds · Brampton & Ontario

I‑Shift Rebuild & Full Transmission Rebuild in Brampton

🚨 24/7 Roadside Rescue — call 647-271-3834

Missed shifts, grinding gears or a transmission fault that’s left your truck stuck? Every day a truck sits waiting on a transmission costs your operation uptime. We diagnose heavy-duty transmissions with OEM diagnostic software and rebuild or repair them in our Brampton shop, from I-Shift rebuild and I-Shift control housing/controller rebuild to full transmission rebuild, including Eaton manual transmission rebuilds.

What the service covers

  • Transmission diagnosticsDealer-level diagnosis of shifting problems, noises and fault codes using OEM diagnostic software.
  • I-Shift rebuildRebuilds of Volvo I-Shift automated manual transmissions.
  • I-Shift control housing/controller rebuild and repairDiagnosis, repair and rebuilds of I-Shift transmission control housings (controllers).
  • Eaton manual transmission rebuildsComplete rebuilds of Eaton manual transmissions.
  • Full transmission rebuildFull rebuilds of heavy-duty manual transmissions for all makes.
  • Automatic transmission repairDiagnosis and repair of heavy-duty automatic transmissions, including Allison.
  • Transmission software updates and calibrationManufacturer-authorized software updates and calibration using OEM diagnostic software.
  • Differential rebuildsInspection, repair and rebuilds of heavy-duty differentials.

I-Shift is a trademark of its owner and is mentioned only to describe the transmissions we service.

Rebuilt in Our Brampton Shop

We rebuild automatic and manual heavy-duty transmissions in-house, with parts sourced directly from the OEM dealers using the VIN or serial number.

Heavy-duty truck transmission mainshaft and gears during a rebuild at Modern Diesel Centre, Brampton
Transmission rebuild in our Brampton shop

Why Modern Diesel Centre

  • Dealer-level diagnosisDealer-level diagnosis with OEM diagnostic software, at a fraction of the price.
  • 30+ years combined experienceOur partners bring more than 30 years of combined experience in the heavy-duty truck trade, including over a decade of combined dealership experience.
  • All makesWe service all makes of commercial trucks and trailers.
  • In-house repairDiagnosis and repair are completed in-house at our Brampton shop.
  • 24/7 roadside rescue across the GTADay or night, call our roadside line: 647-271-3834.

Truck stuck with a transmission problem?

Call us day or night. We’ll get your truck to our Brampton shop or come to you anywhere in the GTA.

Visit us at 98 Rutherford Rd S, Unit 1A, Brampton, ON L6W 3J5.
Shop hours: Monday–Saturday 8:00 AM – 8:00 PM, Sunday closed. Roadside rescue is available 24/7.

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📞 416-992-7254🚨 Roadside 647-271-3834