Explore Pontiac Grand Prix Transmission mount kit & Pontiac Grand Prix Transmission mounts. Find Pontiac Grand Prix Transmission support mount. To ensure your Pontiac Grand Prix runs smoothly, regular maintenance of the transmission mount is essential. Detect early signs of wear, such as vibrations or clunking noises during gear changes, indicating the need for replacement. Extend its lifespan by avoiding harsh driving and ensuring timely transmission fluid changes. When selecting a new mount, consider polyurethane for durability or rubber for vibration dampening, matching your driving needs. Installation is a precision task; always opt for high-quality mounts and, if unsure, seek professional assistance to maintain your vehicle's performance and safety.