17" Macbook a1297 Repair

This is my 2011 17" MacBook Pro (A1297) from 2011. Its currently my daily driver for all my work including design, video editing, research, surfing the internet, media consumption e.t.c The laptop has the following issues, which I hope to fix in this issue. Watch to till the end to see me do the repair. Laptop faults identified:
1. Faulty Trackpad
2. Dead left Shift Key
3. Distorted Speaker
4. No Keyboard Backlight