Question about 2002 Chevrolet Impala

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Ignition key won't turn

Had my ignition lock replaced 2 years ago - key wouldn't turn. Mechanic said the tumblers were probably worn out - new one put in and it worked fine. Today -same problem - is there a problem with the 2002 ignition locks and is there an easier solution than replacing it - they are expensive

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  • dk_hes Feb 11, 2009

    Thanks for the suggestion but I did rule that out - the steering wheel is not locked. I did try moving the gear shift to ensure that it was in park and have also rocked the car to see if it would change anything.Sprayed wd-40 in the cylinder - still no luck. Looks like I might have to change the lock cylinder again!! Any other possibilities I am definitely open to - appreciate the help. 

  • Azahole Apr 29, 2009

    2002 Avavlanche my ignition locked up also, Could the ignition cylinder be replaced or do you have to have the dealer do some kind of computer stuff


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Sometimes it is the key. On certain vehicles the key has a small chip in it and over time these do get worn out. I would have a locksmith or the dealer cut you another key but please go to a reputable locksmith or dealer. I hope this works for you (it should). If not put another post and I can probably walk you through replacing the cylinder unless you feel more comfortable having a mechanic do it and paying him/her lots of money. Good luck

Posted on Feb 12, 2009

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I'm not sure exactly what all the details are however, sometimes your steering wheel will turn after parking, just alittle enough to place some pressure on the lock. you might try turning the steering wheel and see if this doesn't take some pressure off the lock allowing it to turn. I hope this the problem and it helps.

Good luck,

Posted on Feb 10, 2009

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I had 2 chevy impala's my 2000 model gave me the same problem. Even though it is pricy you must replace the ignition module and the cylinder. If you just replace the cylinder and take it to a locksmith to key it it will work for a while but after a while the problem occurs again and sometimes the car wont even start for about 10 to 20 minutes. After a year of putting up with this problem a friend that works at a chevy dealer suggested this and ended my problems. Good luck!!

Posted on May 05, 2009

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