Discover Toyota Highlander Mechanical Tension & Toyota Highlander Tensioner Pulley Price. Shop Toyota Highlander Drive Belt Tensioner. Maintaining the tensioner assembly in your Toyota Highlander is crucial for ensuring a smooth drive and prolonging the life of your engine's belts. Regularly inspect the assembly for signs of wear, such as unusual noises or a misaligned belt, which may indicate the need for a replacement. To extend its lifespan, opt for tensioner assemblies crafted from durable materials and consider investing in hydraulic types for their superior tension adjustment. When selecting a new tensioner, compatibility with your Highlander model is key, so always verify fitment to ensure peak performance. Proper installation is vital, so follow manufacturer guidelines or seek professional assistance to guarantee your tensioner assembly functions effectively.