@juan_fixes_cars: If your dealership says your sealed transmission has "lifetime" fluid that never needs changing, remember that "lifetime" only means the lifetime of the factory warranty. Inside your transmission, spinning clutch packs shed microscopic friction material as high heat breaks down the fluid. After 50,000 miles, dark metallic sludge clogs tiny valve body passages and sticks shift solenoids. Automakers removed the transmission dipstick so owners stop checking the fluid, but sealed transmissions still have a bottom drain plug and a temperature-level overflow tube. Doing a simple drain and fill every 40,000 miles keeps your clutches and valve body spotless. Drop your car model and current mileage in the comments below. #TransmissionFluid #AutoMechanic #CarMaintenance #TransmissionRepair #MechanicTips

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Wednesday 04 November 2026 00:30:04 GMT