1. the truck makes rattling noises when driven over the road
2. the truck makes clunking and popping noises when you make sharp turns or hit the brakes
3. The vehicle feels as though it's trembling along the front portion
4. the truck wanders as you’re driving down the road, making it difficult to keep going and a straight line

Bushings typically deteriorate due to heat, age, exposure, heavy loads, salt, oils, and the stress of frequent movement.