The steering wheel shimmering could be warped front rotors, when slowing down. The stalling when slowing down could be a bad fuel filter.
What causes a 1998 Pontiac transport to run hot and engine shuts off
you may need more power steering fluid.
egr valve
Wheels are out of balance
squeaking noise coming from sleeve covered arm coming from steering column to the wheel
Probably your steering is out of alignment; or maybe a bent axle or wheelbase.
probably fuel filter or a simple tune up
probably a bad camshaft sensor.
i would really like to know myself
maybe the car need to be linged up n check the power steering.
bearings old tires shock observers steering wheel
Worn steering parts, worn suspension parts, tires out of balance, out of alignment,