Does RepairSmith work on engines and transmissions? October 16, 2021 00:53 Updated We can perform engine tune-ups, inspections, and routine maintenance services, but we are unable to perform transmission rebuilds or replacements in your driveway. To get a quote, click here. Related articles Does RepairSmith do body work? What services does RepairSmith provide? Does RepairSmith charge for a diagnosis? What types of vehicles does RepairSmith work on? Is there a cancellation fee?