Automotive/Technical Video 2 months ago VIDEO: Transmission Contamination From The Inside Share Tweet Print Email Andrew Markel,authorView bio Bio Recent Posts Popular Posts Stacked Alignment: Solving Lead/Pull ConditionsVIDEO: ECM Alternator Regulation; No More Full Field TestingVIDEO: Belt, Pulley And Tensioner InspectionBrake TSB TrendsVIDEO: Brake Fluid Grades; Too Hot, Too Cold, Or Just Right? VIDEO: Brake Fluid Grades; Too Hot, Too Cold, Or Just Right?VIDEO: Noise Issues On Opposing Piston Brake CalipersVIDEO: ECM Alternator Regulation; No More Full Field TestingVIDEO: Can A Backup Camera Interfere With TPMS Signals?VIDEO: PCV Valve Or Oil Separator? Contaminants cannot enter a transmission because it is sealed, but the breakdown of fluid can cause heat and friction issues. Andrew Markel explains the importance of replacing transmission fluid. Sponsored by Auto Value and Bumper to Bumper. Video courtesy Brake & Front End.