New Lock Cylinder DOES NOT Work BECAUSE--- - LS1GTO.com Forums

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Old 06-25-2019, 10:37 AM   #1
littlerbigfoot
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New Lock Cylinder DOES NOT Work BECAUSE---

And I have figured out why. The tumbler pins are brass. The key is steel. Pins are worn and with key inserted, not all pins retract 100% flush with inner cylinder. So they hang up on replacement outer cylinder.
Pins are numbered, which is great. I need to order a new old-style kit that is complete with pins. Then key the new one same way as old one. Then insert in new housing.

ANYONE ELSE HAVE THIS ABSURD ISSUE????????

Edit: While putting the car back together, I realized that the alternative explanation for the pins not retracting flush would be that both keys that came with car were replaced before or after purchase [I am 3rd owner] for any number of reasons and ordered using VIN # and cut not quite right. I will not know until the new kit comes.

Last edited by littlerbigfoot; 06-25-2019 at 11:45 AM.
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Old 06-25-2019, 07:57 PM   #2
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Good to know, might be why I too couldn’t get the new lock cylinder to work. Was late night when I realized it wouldnt work so ditched the new and filed the old cylinder enough to prevent the ramp from being a problem.
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Old 06-26-2019, 05:18 AM   #3
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I was going to ask, isn't there a difference in keys between the 2 cylinders?
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Old 06-26-2019, 09:00 AM   #4
littlerbigfoot
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GM's idea of a improved part is to supply only the 'improved' outer barrel. One must reuse the inner part that receives the key, even though it can and does seemingly wear to the point where the pins no longer retract enough.
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Old 06-26-2019, 10:12 AM   #5
Nothubertjfarnsworth
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GM never planned for any of us to have GTO's this long.
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Old 06-26-2019, 03:19 PM   #6
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Hmm push button start anyone
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Old 06-26-2019, 06:04 PM   #7
littlerbigfoot
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The GTO can get along fine without a cast cheap-ass metal ignition lock. Needs the key fob to activate the computer. So unless the thief has a tow truck, a horrible thought, the car will remain where you parked it. I skimmed through tons of archived posts and so far found only one GTO that was [sadly] towed.

Last edited by littlerbigfoot; 06-26-2019 at 07:47 PM.
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Old 06-26-2019, 06:43 PM   #8
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Insert key press button?
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Old 06-26-2019, 07:46 PM   #9
littlerbigfoot
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Quote:
Originally Posted by Nothubertjfarnsworth...View Post
Insert key press button?

Perfect!

While I wait for the new old-design parts kit to arrive, how about some input on the finish of the new sleeve? The surface that the pin will ride on is not smooth. Even has two dimples. A few members have posted through the years that their dealer-installed repair sleeve eventually failed. Is this why?

Inquiring minds need to know.
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Old 06-27-2019, 04:39 AM   #10
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Quote:
Originally Posted by Nothubertjfarnsworth...View Post
Insert key press button?

Yeah thats what i would do. Lose the steering column lock but thats not an issue imo
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Old 06-27-2019, 04:58 AM   #11
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Quote:
Originally Posted by littlerbigfoot...View Post
GM's idea of a improved part is to supply only the 'improved' outer barrel. One must reuse the inner part that receives the key, even though it can and does seemingly wear to the point where the pins no longer retract enough.

Ahh that's right, I've forgotten since I modified mine 12 years ago.
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Old 06-28-2019, 11:46 AM   #12
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Got the china kit today. Went together like a breeze. Blades retract fully. Tried the new old-design barrel. It sticks like it was machined by some 10 cents per day slave. The Spain-made barrel works flawlessly. Only concern here is that the spring-loaded pin needs to ride up a ramp after you pull the key. The spring may or may not be up to this task. I got a non-residue lube from a locksmith, as caked-up graphite powder is not a good thing. For the pin, he gave me a sample tube of very adhesive grease. Time to install. Will let you know if accessory feature pops out and off. Cheers!
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Old 06-28-2019, 01:28 PM   #13
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S*h*i*t, my concerns were seemingly justified. When removing the key, the lock does not pop out quite all the way, Accessory power does go off, but one is left with the keyway being partially blocked by the steel nib that retains the center barrel in place. Just a lowjo hair more is all I need here. So, I will use the new old style outer piece. Nuts.
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Old 06-28-2019, 05:36 PM   #14
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Got it working with better sleeve. How? Went back to locksmith who sold me the lock lube. He fixed me up with a stronger spring [the spring that pushes on the rear of the lock]. Works quite well for the moment. The actual switch itself makes odd noises as it is rotated, but it has always been like that. Happy Holiday!!!!!!!!!!!!!!!!!
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