Midway Driveline & Diesel
(905) 426-8700

40 years of experience · Ajax

Duramax, Cummins & Power Stroke Repair in Ajax

Diesel pickups and work trucks, plus VW TDI and Mercedes-Benz diesel. Engines rebuilt in house, and every option explained before we start.

  • Duramax, Cummins and Ford Power Stroke
  • VW TDI and Mercedes-Benz diesel too
  • Injector, turbo and engine rebuilds in house

Open Mon–Fri 8:30 am – 6:00 pm · 200 Fuller Rd, Ajax

Request service

Tell us what's going on. We'll be in touch with you right away.

Or call (905) 426-8700 · Mon–Fri 8:30–6

Smoke, hard starts or low power?

  • Smoke, hard starts or low power
  • Limp mode or warning lights
  • Rough idle or knocking
  • DEF or SCR warnings

The diesel engines we work on

Repair, diagnostics, injectors, turbos and engine rebuilds on each of these, done here in Ajax.

  • Duramax
    GM and Chevrolet diesel pickups and work trucks.
  • Cummins
    Ram diesel pickups and work trucks.
  • Ford Power Stroke
    Super Duty pickups and work trucks.
  • VW TDI
  • Mercedes-Benz diesel

We don't do emissions deletes. We repair SCR, DEF and other emissions systems; we don't remove or bypass them.

Diesel mechanic beside a diesel engine

How it works

  1. 1
    Call or send a request

    Tell us what the vehicle is doing. We'll be in touch with you right away.

  2. 2
    We find the real problem

    We track down what's actually wrong, so you don't pay for parts you didn't need.

  3. 3
    Photos, a call and every option

    We send photos, call to explain what we found and go through every repair option, with an accurate quote.

  4. 4
    You choose, we do the work

    Rebuilding is often an option instead of replacing. You pick the repair, we do it right.

What customers say

“I have a 2006 Ford F250 diesel truck and several other shops refused to work on it because it was a diesel. … Turned out that it was a $5 hose clamp and ended up being a relatively minor inexpensive repair. [He] could have easily charged me for parts and work that I thought I needed but only did what was necessary to fix the problem for the least expense possible.”
Ray · Google review
“Their quotes are accurate, and the work is impeccable. When the dealership wanted $1200 to fix an automatic lock, [he] found the real problem and had it repaired for $150.”
Tim · customer for 15+ years · Google review
“My 2018 GMC Sierra 1500 5.3 had basically blown up on me. [He] did a complete diagnosis of the engine issues and at each step sent photos and called to explain exactly what the issues are and what the options to repair were needed.”
Mark · Google review

An owner-run shop with 40 years of experience

Midway is an independent, owner-run shop at 200 Fuller Rd in Ajax with 40 years of experience in diesel, driveline and general repair.

  • In-house rebuilds: engines, transmissions, transfer cases and differentials
  • Custom driveshafts
  • Diesel: Cummins, Power Stroke, Duramax, VW TDI and Mercedes-Benz
  • Gas vehicles too
  • Certified Vehicle Inspection Centre: safety inspections and annual yellow sticker
  • Landscaping and snow-removal fleets

We also do driveshafts, transmissions, safety inspections, brakes, exhaust and general repair.

Tell us what it's doing

Call the shop or send a request. We'll be in touch with you right away.

Mon–Fri 8:30 am – 6:00 pm

Call (905) 426-8700Request Service