Transmission Additives & Maintenance: Your Guide to Smooth Shifting
Tyler SpanglerTransmission additives can help reduce wear on components, but caution is advised as some may harm your transmission. Before using additives, identify the noise source, consult the owner's manual, choose a reputable brand, and follow instructions strictly. Transmission service intervals vary: automatic transmissions need fluid changes every 30,000-60,000 miles and inspections every 15,000-30,000 miles; manual transmissions require fluid changes every 30,000-60,000 miles and inspections every 15,000-30,000 miles; CVTs need specific manual recommendations for fluid changes and inspections every 15,000-30,000 miles; heavy-duty trucks need more frequent service, especially for towing or hauling. Considering a manual valve body swap for shift issues is not recommended due to compatibility, cost, performance reduction, and increased shift harshness. Instead, tune your transmission, replace worn components, upgrade the torque converter, or install a transmission cooler. Always consult a qualified technician for accurate diagnostics and recommendations, and refer to your owner's manual for specific advice.
