Toyota Highlander transmission issue requiring replacement on Toyota Highlander

Some Toyota Highlander owners report experiencing serious transmission issues that can lead to complete failure and safety hazards if ignored. Common symptoms include strange noises, grinding or shaking during gear shifts, burning smells, and dashboard warning lights indicating transmission problems. Additionally, some owners have encountered unexpected complications during warranty transmission replacements, such as discovering cracks in the bell housing of the replacement transmission, resulting in extended dealership visits. Owners also report issues like the transmission not engaging reverse or prematurely upshifting, which may require specific components like the overdrive drum to be replaced. It is crucial for Highlander owners to address these transmission problems promptly to prevent further damage and ensure the vehicle's safety and reliability. Consulting a Toyota dealership or qualified mechanic for diagnosis and resolution is strongly advised if any transmission issues are suspected.