Key switch

Tiny
TINA LOWE
  • MEMBER
  • 2004 CHEVROLET TRAILBLAZER
  • 4.3L
  • 6 CYL
  • RWD
  • AUTOMATIC
  • 125,000 MILES
Key switch will not lock in order to shut car off and gear shifter will engage without pressing in shift release button.
Monday, March 6th, 2017 AT 10:45 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,883 POSTS
Hi Tina,

It sounds like the ignition tumber/lock is worn out which is a common problem. Yo fix the problem the tumbler must be replaced also you will need to get it from the dealer so they can re-code the key for you so the security will work correctly.

There is an outside chance the shifter cable is coming apart down at the transmission or where it plugs into the steering column. Check both ends while trying to shift it to see if they move at all.

Please let us know what happens.

Best, Ken
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Wednesday, March 8th, 2017 AT 2:58 PM

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