What Else Should I Replace When Changing My Timing Belt?

<p>1. Why do I have a vibration in my truck?<br /> 2. What do I need to replace when changing a Timing Belt?<br /> 3. Help! I melted my Shifter Cable on my Ford F150.<br /> 4. Why does my battery charging light glow dimly? Toyota. <br /> 5. Why does my engine fan blow so loud and fast on my Ford F150?<br /> 6. Why do my Tundra Door Locks not work?<br /> 7. My Ford F150 shakes like a diesel. Cam Phasers? Yes or no?</p>