Just make sure of two things when you start the car,

1. Do not reach through the steering wheel to start the car.

2. Lightly tap the valve when making the adjustment.

Yes it is possible to break some bones if the adjustment is off enoough and you reach thru the steering wheel to start the car.

Allen Here's a novel idea, let's not throw a bunch of parts at the car hoping it will fix the problem and instead spend a little time diagnosing it first. Life was a little easier when I was just a wrench.