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Topic: Driver-side door lock issue

in Forum: C3 Body


Driver-side door lock issue

Posted: 9/16/06 5:06pm Message 1 of 14
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Gresham, OR - USA
Joined: 9/4/2006
Posts: 652
Vette(s): 1977 Maroon T-Top
I'm not sure if this is a problem or operator error....
 
We've had this car for a grand total of about 7 hours.  The first time I locked it, I used the knob on the inside of the driver's door (it has manual locks).  I then shut the door.  I then checked to make sure the door had in fact locked.  I believe that was a mistake because from that moment on, the driver's door would not unlock, either from the inside or the outside. 
 
After much cussing and various attempts at unlocking the door, my husband was able to do it with the handle of a small paint brush, inserted between the window (which was rolled down) and the outer part of the door, pushing down on one of the lock mechanisms.  Then, it worked fine, except when we lock the door then try to open it without first unlocking it.  Then, we're back to square one!  
 
Is this an anti-theft "thing" or are these locks messed up?   
 
Karen
 



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Driver-side door lock issue

Posted: 9/16/06 6:53pm Message 2 of 14
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 20214
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
Definitely NOT a normal action!
You may have a bad/worn lock mechanism in the door, that is not going to "full" lock, until you press on the door "flapper". Then, the linkage(s) may be flipping over center, and causing the problem.
Whatever the trouble source is, you're gonna have to remove the door panel to fix it.

Now that you have your "new" Vette, might I suggest the next purchase you make be the factory service manual(s)?
They are indespensible for repairing wierd stuff like this, as you can look at the actual mechanisms, and have good troubleshooting/repair info.

Of course, you also have the massive intelligence of the C3VR members. Some of us are purdy good at convincing other folks that we really know something!


Joel Adams
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Driver-side door lock issue

Posted: 9/16/06 6:58pm Message 3 of 14
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BINGHAMTON, NY - USA
Joined: 7/19/2003
Posts: 3808
Vette(s): ......
See there you go,first thing to put on the LIST,fix the door lockLOL


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Driver-side door lock issue

Posted: 9/16/06 8:04pm Message 4 of 14
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Calhoun City, MS - USA
Joined: 9/24/2005
Posts: 121
Vette(s): 1977 Black T-Top
Make sure all your locking mechanisms inside the door itself are tight. I had that problem with my 77 and I discovered the locks themselves were loose. ( If  I'm remembering correctly. It's been awhile ago.) Good luck and congratulations.


Driver-side door lock issue

Posted: 9/17/06 9:48am Message 5 of 14
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Gresham, OR - USA
Joined: 9/4/2006
Posts: 652
Vette(s): 1977 Maroon T-Top
Joel-
 
We bought the Chilton repair manual for Vettes 63-82.  Is that what you mean by factor service manual?  Is there something better available?  Which brings up another question for you all:  What are the best resources for Vette information, mechanical, restoration, etc....  (Maybe I should post a new topic???)
 
Karen
 



Driver-side door lock issue

Posted: 9/17/06 10:56am Message 6 of 14
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 20214
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
The Chilton's manuals are otay for basic info.
What I reccommend is the factory, GM issued service manuals. These are what the dealerships used when the cars were new. You can find them at swap meets, and on e-bay. Normally around $40.
The factory assembly manuals(AIM) are invaluable, also. This is what the factory assembly line workers used to assemble the cars. You can get reprints of these from just about any Corvette supplier, such as Bairs, for around $20. (sorry...I can't get the links to werk! )


Joel Adams
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Driver-side door lock issue

Posted: 9/17/06 1:49pm Message 7 of 14
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Newark, DE - USA
Joined: 7/26/2004
Posts: 468
Vette(s): 1968 Conv, 454HO,500HP-600TQ, TKO-600,3:70 HD rear,hotrod air, custom paint & suspension,1973 Ruby Red,T-top, 383 Stroker, TK)-500,frame off restro, 1967 Dodge Coronet, 340 stroker to 406, Dana 60
Somebody had the GM phone number & you could order the factory assy manual for free from GM...Who remembers that #?
Alan



                                               

Driver-side door lock issue

Posted: 9/17/06 3:58pm Message 8 of 14
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Greensburg, IN - USA
Joined: 9/24/2003
Posts: 5189
Vette(s): Previous: 1984 Coupe, 1988 Maroon Coupe, 1989 Coupe, 2001 Roadster Present: 1967 Stingray Roadster, 1976 Stingray Coupe, 1989 Roadster..
Although I haven't looked in the manual yet I'm guessing Chevrolet didn't stray away to far from the same principles they had used previous years at this time.
Remove the few screws that hold on the door panels. Remove the clips that hold on the door handle and slowly remove the door panel itself.
If you can look and see if the rod mechanism has'nt dropped loose from either the handle or the trip mechanism.
These rods had clips that slid over the ends of them and snap fit then to the rod to allow them from comming loose.
Like most of these things seldom used the take a fair amount of abuse from time. My guess is that the lock hadn't been used and when you decided to give it a try you snapped off the retaining clip. Thus it allowed you one good try.
If your lucky this is all that it is. (cheap fix) As said above when you inspect and correct the problem tighten er up good and lubricate it well.
Rembember all that you do too cause you have another side that may be similar.
Before I ever tried mine I PB Blastered the locks from the outside and worked them a little. I do this with all of the stuff that Mother Nature likes to leave her little dusting of corrosion on.Tuxblacray2006-09-18 12:30:53


Driver-side door lock issue

Posted: 9/18/06 8:39am Message 9 of 14
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Poquoson, VA - USA
Joined: 11/20/2004
Posts: 1023
Vette(s): 73 Conv, Blue-Green/White Top - 454, M21 - Dark Saddle Leather, Power Windows, A/C, Tilt/Tele, AM/FM St. (orig. and sounds like it too).#2 -- 2007 Coupe,3 LT package, Z51 option, Victory Red, Ebony Int. Clear Top.
Just replaced my DS door handle and the manual is invaluable, especially with the linkage. Getting door panel off is easy, but getting to the key-lock and door handle will take patience. You may have to remove the latch mechanism. If it comes to all that, there was a post on a magazine article here not too long  ago.
 
This article is more about the handle but  may help some:
 
 
2 cruzn2006-09-18 08:56:06


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Driver-side door lock issue

Posted: 9/18/06 8:59am Message 10 of 14
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Joined: 3/27/2006
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Knotacare, the only free material that I'm aware of from GM is their "Restoration" package, not the AIM. While this package doesn't contain the same detailed assembly information that the AIM does, nonetheless it's well worth obtaining for a new C3 owner (ar any other owner, for that matter!). It's got a wealth of info about the car, including loads of specs. And it's free! (Offhand, can't think of anything else that a car company gives away these days...)

I don't have the specific GM phone # any longer where it can be ordered, but I assume it's in the archives around here someplace, if KKFinch wants to do a search for it. All that's required is the VIN # to order it.


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