At Sierra Auto and Diesel Service, we offer expert transmission services to ensure your vehicle shifts smoothly and efficiently. Our skilled technicians specialize in rebuilding transmissions, restoring them to like-new condition to give your vehicle extended life and optimal performance. If a rebuild isn’t the right solution, we can also seamlessly switch out your old transmission with a new or refurbished one. Whether you're driving a heavy-duty truck, medium-duty vehicle, or a standard automobile, our transmission services are designed to meet your specific needs and get you back on the road with confidence. Trust us for reliable transmission repairs, rebuilds, and replacements.