Bosch GSR 12V-15 Cordless Drill Full Service & Repair | Gearbox Cleaning, Motor Test & Reassembly

In this video, I perform a complete service and repair of the Bosch GSR 12V-15 cordless drill. 🔧 Follow the entire process, from opening the drill and disassembling its internal components to cleaning the gearbox, inspecting the motor, checking the gears, and reassembling the tool. This practical repair tutorial is designed for DIY enthusiasts, technicians, and anyone interested in cordless power tool maintenance and repair. 🔧 In this video, you will learn: How to disassemble the Bosch GSR 12V-15 cordless drill How to remove and inspect the motor How to disassemble the planetary gearbox How to inspect gears, bearings, and mechanical components How to clean the drill housing and internal parts How to inspect the trigger switch and internal components How to reassemble the gearbox and drill body How to perform the final operational test ⏱️ Video Chapters — 36 Minutes 00:00 – Introduction and Tool Overview 02:00 – Inspecting the Bosch GSR 12V-15 04:00 – Opening the Drill Housing 06:00 – Removing the Internal Components 08:00 – Removing the Motor and Gearbox 10:00 – Disassembling the Planetary Gearbox 12:00 – Inspecting the Planetary Gears 14:00 – Checking Gearbox Components and Bearings 16:00 – Cleaning the Internal Parts 18:00 – Cleaning the Drill Housing 20:00 – Inspecting the Motor 22:00 – Checking the Chuck and Mechanical Parts 24:00 – Servicing the Gearbox 26:00 – Reassembling the Planetary Gearbox 28:00 – Installing the Motor and Internal Components 30:00 – Reassembling the Drill Housing 32:00 – Checking the Trigger Switch and Connections 34:00 – Final Assembly and Functional Test 35:30 – Final Results and Conclusion ⚠️ Important: Always disconnect the battery before servicing a cordless drill. Use suitable cleaning products for each component and avoid exposing electrical parts to liquids that could damage them. If you enjoy practical power tool repair, cordless drill servicing, and electronics troubleshooting, subscribe to tool.tronic for more repair tutorials. 👍 Like the video, share your experience in the comments, and subscribe for more cordless tool maintenance and repair videos. #Bosch #GSR12V15 #BoschDrill #CordlessDrillRepair #PowerToolRepair #GearboxRepair #DrillMaintenance #ToolRepair #DIYRepair #MotorTesting #CordlessDrill #tooltronic