Discover Used Pontiac G6 Auto Trans Parts. Locate Pontiac G6 Transmission Parts In Canada & Pontiac G6 Automatic Transmission Components. Maintaining your Pontiac G6's automatic transmission is crucial for performance and longevity. Regularly check fluid levels and quality to prevent wear on gears and bearings, and heed warning signs such as slipping gears or delayed engagement, which may indicate the need for replacement components. To extend the lifespan, consider installing premium-grade parts tailored to the G6's specifications—such as torque converters and solenoid packs, each engineered for durability and precise shifting. When selecting these components, prioritize OEM or high-quality aftermarket options to ensure compatibility and reliability. Proper installation by a professional can further enhance the transmission's function and prevent future issues, keeping your G6 running smoothly.