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Unread 02-18-2013, 08:42 PM   #1
Austy12345
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Lock cylinder inop help!

So I'm to the point where I'm replacing the key cylinder in ignition. Reason being the P.O. Thought a screw driver would make a good key. Now I have the column torn down but can't get the cylinder to turn to get the retainer pushed down and cylinder pulled out

image-3148075483.jpg



image-1548160218.jpg

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Unread 02-18-2013, 09:00 PM   #2
BagusJeep
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Can you get a thin screwdriver into that vertical slot? It can be hard to see sometimes.

It looks like a retainer tupe column but there was another with a retaining screw.
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Unread 02-19-2013, 01:02 AM   #3
Austy12345
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Yeah. I tried all the flat blade screw drivers in my arsenal. I just can't get it to turn to get that retainer pushed down. I'm tempted to try drill the whole thing out but unsure of consequences of that route. Any other suggestions would be awesome. I'm sure there has to be a way. I'm certainly not gonna scrap a decent tilt column because of this.
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Unread 02-19-2013, 01:37 PM   #4
dslywalker
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it looks like your retaining screw is in yet
http://www.epiccomputer.com/dale/jee...tilt/tilt.html
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Unread 02-19-2013, 02:57 PM   #5
Austy12345
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I just went out to double check. I have the other style without the retaining screw
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Unread 02-19-2013, 07:21 PM   #6
dslywalker
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wonder if the screwdriver messed up the retaining clip so it won't depress?
Read these
http://www.elcaminocentral.com/showthread.php?t=27192
http://www.texas4x4.org/tech-writeup...-column-18823/
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Unread 02-19-2013, 07:29 PM   #7
BagusJeep
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I have gotten them out before with the driver in the slot without the key but perhaps mine are worn columns.

Thsi is a GM column and there is plenty of info on the net on how to steal them. I do not condone theft but in the interest of academic research it is worth a look at how you would steal a 1980 Camaro.

This is what I learnt from the Net, which I have edited a bit:

Since 1978 gm has used a hardened steel pin that screws thru the
ignition cylinder making it impossible to pull the six pin ignition
using a dent puller........

GM ignition locks use a side bar so
it is useless to try and pick these locks--unless you can put pressure
on the side bar--

first break off the ignition cap--or the "ears" as many people call it--now--if you look
at the face of the cylinder you will see a circular indent that goes
around the entire cylinder about 3/8 of an inch from the keyway--this is
where you are going to drill--right in the indent--

draw an imaginary line from the center of the keyway to this indent towards you--now take
a 1/8 inch high speed drill bit and drill thru this face plate--you will
drill thru it very easy once through remove the bit--

you now have access
to the side bar --now take a paper clip--or similar piece of wire--bevel
one end--then with a pick or similar item "rake" the tumblers(the
tumblers are on the bottom of the lock in this type of cylinder) while
at the same time applying pressure to the side bar with the clip--

keep pushing in on the clip and raking the tumblers until all 6 tumblers are
picked(these types of ignitions pick very very easily when you can apply
pressure to the side bar!)--

now while still holding pressure on the side
bar take a flat head screw driver and turn the ignition towards the on
position--

because you still have the clip on the side bar you will only
be able to turn the lock a little bit but it is far enough to hold the
side bar in place so you can remove the clip--

now with turning pressure
held on the screw driver remove the clip and continue turning the
ignition to the start position

At this point the lock cylinder should just pop out and you will have it in your hand.

The only difficult bit here is raking the tumblers whilst maintaining the pressure on the side bar so you may need some help or work out some clamp to keep pressure on it. You already have access to the sidebar so half of this method, teh drilling etc, is not needed. All you really need to do is to put pressure on the sidebar with teh screwdriver through the slot and then motivate the tumblers into position. I am surprised if a screwdriver was being used that you woudl have much trouble in making it turn.

I have changed a number of these locks and they and the housings are junk. It will not take much to get them to move and my problem is usually that no key is required or that the lock falls on the floor from time to time. Just beware that if you try to force them very hard that the housing is softer than the cylinder and they will split the housing before dropping out.
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BagusJeep lives in Bali, the Land of Temples.
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1981 CJ7 258ci - Bagusjeep
1984 CJ7 258ci - Puthijeep
1981 J20 258ci - Gladys
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Unread 02-19-2013, 08:46 PM   #8
only in a jeep cj
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I think Ive done them without the key (turning them) as well. A thin screwdriver wasn't thin enough, I found a constant thickness of metal , but still overall thin, was better....like a thin bracket or scrap metal piece.
You need to press it in straight and fairly firm, While pulling out on the lock. With yours, you may need to insert a large screw into the keyhole to pull out with.
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Unread 02-20-2013, 02:14 AM   #9
Austy12345
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Right on guys. I will see what I can do. Thanks for the help everyone keep the idears coming.
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Unread 03-02-2013, 12:10 PM   #10
Dngrs1
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Austy, did you get it out? I have the same problem except the ears broke off my lock cylinder and it will not come out.
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Unread 03-02-2013, 11:53 PM   #11
Austy12345
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I did get it to turn. But the whole lock cylinder is turned my steering column but assuming you don't have that problem I found you can take 1/4 drill bit and drill out the bar. Just search 6 position gm key cylinder on YouTube. If you don't find a guy talk about how to start old GMs without the keys for auctions let me know I will find it again and post it
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Unread 03-03-2013, 11:58 AM   #12
Dngrs1
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OK. At this point I think I will install a dash mounted ignition switch (I have a spare) and use whats left of the column one as a steering wheel lock. The lock turns fine and I can push the tab in but it will not come out.
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