Do I need to buy any bolts or fasteners separately?

This assembly mounts directly at factory points using your existing hardware. Verify your current bolts are intact before installation — replace any that are stripped or damaged.

Can I install this myself with basic hand tools?

Yes. You'll need a socket set and possibly a trim panel removal tool to access the door cavity. Disconnect the battery before touching any electrical connections, then bolt the assembly in place and reconnect the harness.

What if the assembly doesn't move smoothly after installation?

Ensure the regulator track is clean and free of debris before final installation. Run the window up and down through its full range several times to seat the mechanism. If binding persists, stop and inspect for misalignment at the mounting points.