Astro Ignition Cylinder won't turn

CHEVROLET ASTRO
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PROSPECTOR
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In order to start my van I have to sit and jerk the steering wheel back and forth while twisting the key. After a while the key will finally turn and the steering column unlocks, allowing the van to start. Sometimes it starts after about a minute of playing with it, I have also had to sit and play with it for over half an hour on occassion.

Should I be replacing the ignition cylinder or the steering column, or is there a way to just grind away the steering column interlock? Is it just a matter of an old key, and I should have a new one cut from the key code?

I haven't taken the mechanism apart yet to see how all the interactions work together.

Its a 1996 Astro; base model with 275,000 km on it - still running strong, but a little rusty. I don't know the engine size off hand.
Jun 20, 2007 at 11:56 AM
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BOOTDOG
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try a new key first then the cylinder. it'll be either or.
Jun 20, 2007 at 3:46 PM
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PROSPECTOR
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You saved me a pile of hassles! Went to the dealership this morning and had new keys cut from the key code. Total cost $5. Total time 15 min.

Sure beats spending the weekend ripping the column apart to get at the tumbler.

Thanks again!
Jun 21, 2007 at 4:46 PM
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