Other information:
Acceptable Noise, Vibration and Harshness (NVH)
Noise is any undesirable sound, usually unpleasant in nature. Vibration
is any motion, shaking or trembling, that can be felt or seen when an
object moves back and forth or up and down. Harshness is a ride quality
issue where the vehicle's response to the road transmits sharply to the
customer...
Overview
The front subframe is bolted to the body and is used to:
aid in structural support.
provide mounting surfaces for the steering gear.
provide mounting surfaces for the front suspension lower
control arms, the transmission roll restrictor and for the front
stabilizer bar...