The cost of gearbox repair or replacement varies significantly and requires a comprehensive evaluation based on the specific fault type, gearbox model, and vehicle brand. Manual transmission repairs are inexpensive, with common issues like clutch plate or oil seal replacement costing approximately 500-2000 Malaysian Ringgit, while a complete overhaul typically stays under 2000 Malaysian Ringgit. CVT or dual-clutch transmission repairs average 5000-6000 Malaysian Ringgit, while luxury models like BMW may exceed 6000 Malaysian Ringgit for automatic transmission repairs. In cases requiring complete gearbox replacement, costs can surpass 10,000 Malaysian Ringgit, reaching over 30,000 Malaysian Ringgit for certain high-end vehicles. Key cost determinants include: - Fault severity (minor issues like fluid changes: 500-2000 Malaysian Ringgit; moderate repairs like solenoid valve servicing: 2000-15000 Malaysian Ringgit) - Service provider (4S dealerships charge 30%-50% more than independent workshops) - Parts availability (rare models may incur 30%-50% higher costs) For optimal decision-making, professional diagnostics to define the fault scope are advised, followed by comparing quotes from 4S centers and certified repair shops. If repairs exceed 50% of the vehicle’s residual value, opting for a remanufactured transmission (priced at 60%-70% of a new unit) may prove cost-effective. Routine maintenance (e.g., transmission fluid changes every 40,000-60,000 km) and restrained driving habits significantly mitigate major repair risks.