C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Oct 26, 2009 | 02:18 PM
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From: Cameron Tx
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Is there a sure way to tell the year of ones steering column. Mine is a tilt and tele, that was placed in a 68. It has the metal Hub assembly which you showed pictures or earlier. Trying to avoid ordering two spacers.
thanks

Last edited by base1957; Oct 27, 2009 at 05:35 PM. Reason: add pics
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Old Oct 26, 2009 | 03:26 PM
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I am not sure of your question. If you take a picture of the problem area, I would be more aware of your question.

If you are talking about the shims used to position the upper horn contact on the spacer, that doesn't depend upon the steering column at all. The reason you may need more than one shim is to keep the horn cap from bottoming out on the steering wheel itself. That would prevent you from depressing the horn cap and blowing the horn.

Jim
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Old Oct 26, 2009 | 04:37 PM
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The tilt/tele steering wheel was not available for the Corvette in 1968. You could order the telescoping wheel...but no tilt function was included. [I know, I had one.] So, if you have a tilt/tele wheel in a '68, it was installed out of a later year Corvette or other model car.
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Old Oct 26, 2009 | 05:21 PM
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Jim
In one of your recent posts you were comparing c3 columns. You referred to the "metal" Hub asswembly. Its number 11 on the
"Corvette C3 1969-75 Tilt Steering Wheel & Horn Parts" paper

thanks
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Old Oct 27, 2009 | 08:15 AM
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Jim
Here is my column. I'm trying to identify the year of the column.






Thanks
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Old Oct 27, 2009 | 01:13 PM
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ttt
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Old Oct 27, 2009 | 05:36 PM
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ttt
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Old Oct 27, 2009 | 07:44 PM
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ttt
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Old Oct 27, 2009 | 09:32 PM
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The T&T steering column in the picture is most likely a 1969 Corvette T&T. But it could possibly be a 1970-75. It is missing a few things that I can identify in the picture.

I assume that this steering column has a lock cylinder and key on the upper end. We just can't see it in this picture.

It looks like it needs an ignition switch. (I hope that the switch and actuation rod are just on the other side of the column and we can't see them either.)

It needs a plastic "harmonica" turn signal switch connector on the loose wires in the picture.

I hope that I am wrong but the welded-on bracket that holds the column up into the car appears to be deformed. It also will need two aluminum capsules to hold it in the car.

There should also be a lever sticking out from the lower end (on the engine side of the bracket on the lower end of the column). I assume that we just can't see it.

If you move the lower lever, the shiny die cast bowl on the upper end of the column should move. This would mean that this is a 1969 T&T column because the 1970-75 column had the dies cast bowl covered with a plastic shroud. (The shroud doesn't rotate when you move the lower lever.)

That metal hub (#11) will work with any 1969-75 steering wheels or any 1977-82 steering wheels. I am very sure that it works for all years.

Jim
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Old Oct 27, 2009 | 11:40 PM
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Jim
I thas the ignition switch as you described. There is no lever on the engine side of the lower column. I do not understand what you are taling about relative to
"If you move the lower lever, the shiny die cast bowl on the upper end of the column should move. This would mean that this is a 1969 T&T column because the 1970-75 column had the dies cast bowl covered with a plastic shroud. (The shroud doesn't rotate when you move the lower lever.)
Also can you give me a little help understanding what the aluminum capsules you spoke of are. I know there are two bolts which hold the column up into the receiver unit which is attached to the car.

I really appreciate your time and help.
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Old Oct 28, 2009 | 08:22 AM
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ttt
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Old Oct 28, 2009 | 09:14 AM
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Here is a picture of some of the major parts from a disassembled T&T column.

The black painted jacket has a welded mounting bracket with "wings" extending out on either side of the jacket. There should be an aluminum "breakaway" capsule with and elongated slot assembled to each "wing." Those slots are for vertical bolts to pass through and mount the steering column up into the instrument panel.

The shiney steel tube fits inside the jacket. You can see the lever on the lower end. This lever is for the "steering column/transmission shift interlock." Here is a paper on that system.
http://jimshea.corvettefaq.com/wp-co...al21au2005.pdf
You really don't need it but it is probably good that you understand why General Motors did invent it to operate with locking steering columns in the first place.

The die cast bowl is a press fit to the tube. If you decide to try and take things apart, be very carefull about trying to remove (or reassemble) this bowl to the tube. (The tube consists of two pieces joined in the middle with plastic. It is quite fragile and you run the danger of shearing the plastic and separating the two tubular sections.)

I strongly recommend that you go to www.corvettefaq.com and download my papers on the 1969 through 1982 T&T Steering Column Disassembly & Repair Papers #1, #2, and #3.

Go to www.corvettefaq.com
Click on Jim Shea's Steering Papers
Click on Corvette Steering Papers
Scroll down through the many papers and download the papers for the 1969-82 T&T column. There are numerous blowup pictures as well as very Disassembly & Repair Papers.


BTW, you do not need to "ttt" your posting. I generally look at the Forum two times a day. Having your posting at the top won't get me there any sooner.
Jim

Last edited by Jim Shea; Oct 28, 2009 at 09:17 AM.
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Old Oct 28, 2009 | 10:37 PM
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My concern at this time is which spacer to order. As i said the 69-74 spacer seems to be different than the 75 to 82. doc rebuild lists one spacer for 64-82. Just wanting to order the corectt spacer at this time.


again, thanks
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Old Oct 28, 2009 | 11:04 PM
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I don't have information on the hub 3949110 before 1969. But it is the correct hub for 1969-75 T&T columns. And also the correct hub for 1977-82 T&T columns.

Jim
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Old Oct 28, 2009 | 11:24 PM
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So do you believe the 75 to 82 spacer will work. I will order the entire kit.

thanks
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Old Oct 29, 2009 | 09:53 PM
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ttt
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Old Oct 31, 2009 | 11:29 AM
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Old Nov 1, 2009 | 05:25 PM
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Old Nov 1, 2009 | 06:40 PM
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I think that I answered your question several days ago. The only thing that I might be confused about is what you keep calling a spacer. I assume that you really mean 3949110 hub assembly that was used 1969-75 and then 1977-82.

What is the aluminum or die cast part that is attached to the upper steering shaft on the column in your picture? That should be the 3949110 hub.

If it is not the 3949110 hub assembly that you want to order, please identify the "spacer" part that is shown in the exploded view that was posted on 10/26.

Jim
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Old Nov 1, 2009 | 08:17 PM
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Spacer 348325
Located below the lever that locks the telescope feature

thanks for all your help Jim
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