Hi Geobh,
Unfortunately there is no way to tighten the ignition tumblers. Once the key is worn out and the tumblers in the ignition cylinder are worn, the key will not be held in very tight. I would suggest starting with getting a new key cut to fit your vehicle. Having sharp edges on the key may be just enough to keep this in tight. If not, then you will need to replace the ignition switch as well. I attached the procedure for this.
Let me know if you need anything else. Thanks
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Saturday, June 22nd, 2019 AT 10:59 AM