The £5,000 Dealership Scam? Fixing a BROKEN Land Rover Discovery!

The Dealership wanted over £5,000 just for parts... we fixed it for a fraction of the cost! 📉🔧 Welcome back to OGS Mechanics! In this video, we tackle a highly technical issue on a Land Rover Discovery P300e Plug-In Hybrid. The customer brought it in with a complete loss of electric drive, showing "EV Not Available" and a persistent traction control light on the dash. The vehicle would only drive using the combustion engine. The main dealer diagnosed the car and quoted over £5,000 to replace the entire rear electric drive assembly (which includes the motor, inverter, and differential). But we knew there had to be a better way! Watch as George and the team drop the entire rear subframe to get to the bottom of this intermittent fault. We dive deep into the electric motor position sensor and uncover a fascinating issue: degraded wiring insulation causing electromagnetic interference (noise) from the parking actuator to disrupt the sensor's signal! We'll walk you through the full diagnostic process, the mechanical teardown, replacing the specific wiring looms, a vital diff oil change, and the final cost breakdown that saved the owner thousands. If you own a hybrid or EV, you won't want to miss the crucial discussion on high-voltage cooling systems near the end of the video! Let us know in the comments: Do you think the range of PHEVs makes the complex technology worth it? Don't forget to LIKE, COMMENT, and SUBSCRIBE for more weekly hybrid and EV repairs! ⚡🛠️ 📍 Visit Us: OGS Mechanics Units 9–14, Millers Yard Rear of 28 Long Lane London N3 2QG 📺 Watch Our Repairs in Action: 📌 Subscribe on YouTube → Weekly EV/Hybrid breakdowns, fixes & full diagnostics ⏱️ Chapters: 0:00 - The Problem: Discovery PHEV "EV Not Available" 2:45 - Scanning for Error Codes (Drive Motor Position Circuit) 4:20 - Road Testing to Replicate the Intermittent Fault 7:40 - The Teardown: Dropping the Complete Rear Axle & Diff 11:20 - Inspecting the Inverter, Motor, and Position Sensor 14:50 - The Culprit Found! Degraded Wiring & Electromagnetic Interference 20:30 - Installing the New Wiring Looms & Actuator 24:00 - Reassembling the Rear Axle & Diff Oil Change 25:40 - The Final Road Test & Crucial EV Cooling System Chat 31:40 - Dealership Quote vs. Our Repair Cost Breakdown #LandRoverDiscovery #PHEV #EVRepair #Mechanic #CarRepair #HybridRepair #LandRover #OGSMechanics #ElectricVehicle #Diagnostic #MechanicLife Music from #InAudio: https://inaudio.org/ Track Name.Sport Rock Energetic by Infraction [No Copyright Music] / Running Faster