When your truck or trailer’s differential starts acting up, you’ll know it. Whining under load, excessive vibrations on the highway, or traction issues in turns are clear red flags. At Axle Spindle, we specialize in professional differential repairs for commercial vehicles across Ontario, Canada. Whether you’re running a single semi or managing a fleet, we provide fast, reliable heavy truck differential repair—on-site or in-shop.
Looking for “differential repairs near me” or trying to understand your semi truck differential repair cost? Whether you operate a single vehicle or manage an entire fleet, our team is equipped to handle your differential repair needs. We’re here to help with accurate diagnostics and transparent quotes.
Vehicles We Service:
- Semi-trucks and highway tractors
- Box trucks and straight trucks
- Heavy-duty pickups
- Commercial vans
- Fleet vehicles

Our Differential Repair Services
››› Thorough Diagnostic Checks
Our technicians conduct thorough inspections to identify issues such as gear wear, bearing failures, and fluid contamination. Early detection helps prevent costly repairs and extends the lifespan of your differential.
››› Precision Repairs & Rebuilds
We offer expert repairs and complete rebuilds of differentials, addressing problems like worn gears, damaged bearings, and seal failures. Our goal is to restore your vehicle’s performance and reliability.
››› Fluid Replacement
Regular differential fluid changes are vital for reducing friction and preventing overheating. We use high-quality lubricants to ensure optimal performance and longevity of your differential components.
››› Axle & Seal Repair
Leaking seals and damaged axles can compromise your differential’s integrity. Our team replaces faulty seals and repairs axles to prevent fluid loss and contamination.
Signs of Differential Problems
Whining or Howling While Driving
Unusual noises during acceleration or deceleration may suggest worn gears or inadequate lubrication.
Vibration or Rumbling at Higher Speeds
Excessive vibrations can indicate imbalanced components or failing bearings within the differential.
Clunking During Acceleration or Braking
Sudden clunks or jerks might be due to excessive play or damage in your differential gears or couplings.
Leaks Around the Differential Housing
Puddles or drips under your truck could signal leaking differential fluid, which can lead to fluid loss and major internal wear if ignored.
Hard or Unusual Turning
Difficulty in turning or a noticeable resistance may point to differential malfunction or gear issues.
Burning Gear Oil Smell
A strong odor of burning oil suggests overheating, often caused by low or contaminated differential fluid.
Dashboard Traction Warnings
If your traction control or drivetrain light stays on, your vehicle might be compensating for differential slip or gear imbalance.
Get a Quote or Book Your Service Today
Need Reliable Differential Repair? We’re Ready to Take Your Call.
Contact us to schedule a comprehensive differential inspection or repair. Our skilled technicians are ready with the tools and experience to restore your vehicle’s performance anywhere in Ontario, Canada.