Diagnostics

In many cases differentials and transfer cases start showing symptoms well before they need to be completely replaced.

At National Differential, we provide professional drivetrain diagnostic services for differentials, transfer cases, and complete 4WD/AWD systems. Our experienced technicians use advanced troubleshooting methods to accurately identify noises, vibrations, leaks, gear damage, bearing failures, and drivability issues before they turn into major repairs. In addition to diagnostics, we perform complete in-house differential and transfer case rebuilds and repairs using high-quality components and precision assembly procedures. Whether your vehicle needs a fluid service, bearing replacement, gear setup, or a full remanufactured assembly, our team has over 34 years of experience delivering dependable drivetrain solutions for daily drivers, work trucks, towing applications, off-road vehicles, and performance builds. Call us at (719) 725 - 1559 or email contact@natdiff.com to schedule your appointment today.