Your drivetrain is what transfers power from the transmission to the wheels, and when those components start wearing out, vibration, noise, leaks, and power loss usually follow. West 66 repairs and replaces major drivetrain components to keep heavy-duty trucks pulling properly and staying on the road.

Schedule an appointment

Drivetrain Repair

Drivetrain Services

Driveshaft Services

  • Driveshaft repair and replacement
  • Balancing and vibration correction
  • Yoke inspections
  • U-joint replacement
  • Center bearing service

Differential Services

  • Differential replacement
  • Gear and bearing replacement
  • Differential reseals
  • Pinion seal replacement
  • Lock system service

Axle Services

  • Wheel seal replacement
  • Wheel bearing service
  • Hub and spindle repair

Dependable Drivetrain Solutions

From worn U-joints to full differential repairs, we provide drivetrain work built to restore performance, reduce vibration, and hold up on the road.

Common Symptoms of Drivetrain Problems

If you notice any of the following, your drivetrain may need service:

  • Vibration while driving
  • Noise from the rear end or differential
  • Leaking gear oil
  • Shaking during acceleration
  • Excessive play in the driveshaft
  • Grinding or whining sounds
  • Loss of power or weak pulling performance

Drivetrain issues usually get worse fast. Catching them early can help prevent more expensive failures, longer downtime, and added damage to connected components.

How the Process Works

From the first diagnostic check to the final verification, we follow a clear, efficient process built to reduce downtime and get your truck back to work faster.

Process steps
  • Initial transmission inspection and assessment
  • Clear recommendations and work approval
  • Professional diagnostics and repair
  • Final quality and system check
  • Ready for pickup and back on the road

Why choose West 66

Accurate vibration diagnostics

Precision repairs to prevent repeat failures

Complete driveline inspection with service

Certified heavy-duty diesel technicians

Frequently asked questions

Common warning signs include vibration while driving, shaking during acceleration, gear oil leaks, whining or grinding noises, excessive play in the driveshaft, or poor pulling power. If any of these symptoms show up, the drivetrain should be inspected before the problem spreads.
West 66 services major drivetrain components including driveshafts, U-joints, yokes, center bearings, differentials, gears, bearings, pinion seals, wheel seals, hubs, spindles, and related axle components. Repairs depend on inspection results, wear patterns, and the source of vibration or power loss.
Yes. Worn driveshaft parts, balance issues, bad U-joints, failing bearings, or differential wear can all create vibration, especially at speed. That vibration usually gets worse over time and can lead to additional wear if the underlying cause is not repaired.
It depends on the problem, but waiting is risky. Drivetrain issues can worsen quickly and lead to bigger failures, more damage, or loss of performance on the road. Early diagnosis gives you a better chance to limit cost, downtime, and repair scope.
Gear oil leaks often come from worn seals, damaged gaskets, loose connections, or differential and axle component wear. Even a small leak can lead to lower fluid levels, more heat, and faster internal damage, so it is worth addressing before it turns serious.
Testimonials

What Our Customers Say

Contact Us

Have a question or need a quick quote? Send your truck or trailer make, model, year, and a description of the issue, and we’ll get back to you as soon as possible.

Contact Information:

Location:

Address

198 W Laraway Rd, Joliet, IL 60436, United States

Opening Hours:

Mon – Fri:

7:00 AM – 5:00 PM

Saturday:

7:00 AM – 12:00 PM

Request a Quote


    (Optional)


    (Optional)

    Call now: 708-500-5281 Get a quote in minutes
    phone