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Ignition lock cylinder

Tiny
BLESS2SUCCESS
  • MEMBER
  • 2004 CHEVROLET TRAILBLAZER
  • 4.2L
  • V6
  • 4WD
  • AUTOMATIC
  • 144,000 MILES
Somethings wrong with my chime when I put the key inside the ignition lock cylinder the chime isn't making the ding sound.

Do I need to buy whole new ignition lock cylinder to make the chime sound work again?
Sunday, January 27th, 2019 AT 2:51 PM

5 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,526 POSTS
There is a micro switch inside the tumbler that can get sticky. I would try WD40 in the lock then push the key in and out of the tumbler several times. Please let me know what happens.
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Tuesday, January 29th, 2019 AT 11:54 AM
Tiny
BLESS2SUCCESS
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  • 45 POSTS
Where's the tumbler located is it the part where the lock cylinder goes?
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Wednesday, January 30th, 2019 AT 7:42 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,526 POSTS
It is where you put the key in at for the ignition.
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Thursday, January 31st, 2019 AT 10:17 AM
Tiny
BLESS2SUCCESS
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  • 45 POSTS
Oh okay, just take out the lock cylinder and spray it with WD-40?
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Thursday, January 31st, 2019 AT 5:53 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,526 POSTS
No, spray in where the key goes, then run the key in and out a bunch of times hopefully it will unstick the micro switch.
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Saturday, February 2nd, 2019 AT 12:19 PM

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