check the level of your Power Steering fluid. Also have a mechanic check to see if your power steering pump is working properly.
could be your steering is messed up for the turning. but for the transmission you could have blown piston
A Trailblazer that squeaks only when turning to the left could have a problem with the steering or front wheel bearing. Turning to the left puts the right pressure on the parts to cause them to squeak.
If it is whining when turning, then air may be trapped in the lines. Sometimes filling the reservoir and turning the steering wheel back and forth will bleed the air out. Sometimes not. If bleeding the air out doesn't work then it may be a bad power steering pump. Check the pulley too.
Try jiggling the steering wheel while turning the key. Sometimes if the steering wheel is in a bit of a bind, the key won't turn.
With your foot on the brake , try turning the steering wheel left and right. I know the steering wheel is locked but sometimes this will keep the key from turning. Just pull hard on the wheel hard left and right.
try turning the steering wheel while removing the key. Sometimes the pressure from the steering wheel will hang a key in. it's worth a shot.
I was trying to do it but it does not work... Sometimes the key will not turn when the steering wheel is turned too far. Try turning the steering wheel and key at the same time. Good luck.
Sometimes pressure from the steering wheel lock will keep you from turning the key switch, try wiggling the steering wheel as you attempt to turn the key.
power steering fluid not filled?
Notchy feel when turning the steering wheel Noise from the pump area when wheels are turned Possible stiffness when turning steering wheel.
Try turning the steering wheel whilst turning the key, most peugeots have a built in steering lock.
Have you tried wiggling the steering column while turning the key? If that helps, you probably need to remove a portion of the plastic cover from your steering column to enable you to lube the column lock. That's the thing that keeps the steering from turning if the key is not turned on. If the column lock jams, it can prevent the key from turning.