MTO-approved inspection station 1180 Midway Blvd, Unit 5 · Mississauga ON Mon–Sat 09:00–18:00 ET Talk to a tech: (905) 677-7663
Mr Diesel Inc — EST 2018
(905) 677-7663 Book a bay
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Transmission and clutch repair in Mississauga

Manual, automated and clutch work on heavy units — Eaton Fuller, I-Shift, DT12 and mDRIVE. Diagnosed properly before anything comes out.

Call (905) 677-7663 Request a slot
Driveline work AMT
AMT
Automated units
48 hr
Typical booked slot
Written
Quote before work
MTO
Approved station

A shift fault is often an actuator or a calibration, not a gearbox. We find out which before quoting a rebuild.

Driveline work

What we fix in the driveline.

Transmission work is where guessing gets expensive fastest. Diagnosis comes first, and the quote tells you what we found.

Clutch replacementDisc, pressure plate, release bearing and pilot done as a set, with the flywheel checked and resurfaced or replaced.
Automated transmission faultsI-Shift, DT12, mDRIVE and UltraShift actuator faults, shift calibration and clutch adaptation.
Manual gearbox repairEaton Fuller and Meritor units — bearings, synchros, shift towers and air shift systems.
Fluid and filter serviceCorrect spec fluid, magnetic plug inspected, and the debris reported honestly.
Driveshafts and U-jointsVibration traced properly — balance, phasing, carrier bearings and yokes.
Differential and axle workLeaks, whine and bearing failures; inter-axle and power-divider service.
PTO and hydraulic drivesVocational unit PTO installs, leaks and engagement faults.
Leak diagnosisSeals, breathers and housings pressure-checked instead of over-filled and sent out.
How it runs

Diagnose before anything comes out.

01

Scan and road test

Fault codes, adaptation values and behaviour under load recorded.

02

Isolate

Actuator, calibration and clutch wear ruled in or out before quoting internals.

03

Written quote

Repair versus replace priced side by side, with parts and hours itemized.

04

Repair and verify

Work completed, calibration reset, unit road-tested loaded where possible.

Book it

Book driveline work.

Tell us the transmission model and what it is doing — stuck in gear, slipping, whining, or throwing a shift fault. That decides how much bay time to hold.

Stuck in gear right now? (905) 677-7663
Do you rebuild transmissions in house?+

We do clutches, actuators, calibration, seals and external repairs in house, and quote full internal rebuilds case by case — sometimes an exchange unit is the cheaper answer and we will say so.

My automated transmission will not shift. Is that a rebuild?+

Usually not. Most no-shift faults we see are actuator, air supply or calibration issues. That is why the scan comes before the quote.

Can you diagnose a vibration?+

Yes — driveshaft balance, phasing, U-joints and carrier bearings, road-tested loaded rather than guessed at in the bay.

Request transmission service

Callback within one business hour, Mon–Sat.

Goes straight to the service desk.
Related

Related work

DiagnosticsFour OEM scan platforms, faults traced to the harness.Annual inspectionMTO safety inspection with the sticker same day on a clean pass.Fleet programsA/B/C schedules built around your duty cycle.Parts sourcingOEM or aftermarket, priced both ways before you decide.