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Old Jun 25, 2024 | 05:26 PM
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Default door switch

I am just learning this C4 and I may post old ideas to help others but they are new to me.
When you remove the door switch the tapping plate inside will fall to the bottom of the door - necessitating trim panel removal for retrieval and placement. I roughed things up and JB welded it in place.
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Old Jun 25, 2024 | 06:36 PM
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Do you have a pic? It should not fall?
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Old Jun 25, 2024 | 07:47 PM
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I do not have a picture. It fell off inside when I removed the door switch screws. It does not appear that it was glued in.
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Old Jun 26, 2024 | 07:33 AM
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Originally Posted by Topduarte
Do you have a pic? It should not fall?
sorry to disagree, but, like the OP and with hands on experience, the plate will fall. if you are not going to remove the interior panel, the trick is to remove one screw, pivot, or rotate the switch on screw #2, and when exposed, insert screw #1 back in the plate to hold the plate captive. now you can remove screw #2 and the switch assembly. reverse to reassemble. if you're removing the interior panels, like the OP, not a bad idea to JB Weld the plate in place.

Last edited by Joe C; Jun 26, 2024 at 07:48 AM.
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Old Jun 26, 2024 | 07:51 AM
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That sounds like a great idea, but the switch body fits tightly and goes about an inch into that hole. I don't see that it is possible to pivot the switch after removing one screw. I was removing the switch from a disassembled door on the bench so when the plate fell it was an easy fix. It looks like a bad design for service to me.
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Old Jun 26, 2024 | 08:14 AM
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Originally Posted by rkjjeep
That sounds like a great idea, but the switch body fits tightly and goes about an inch into that hole. I don't see that it is possible to pivot the switch after removing one screw. I was removing the switch from a disassembled door on the bench so when the plate fell it was an easy fix. It looks like a bad design for service to me.
not the best design, but not a bad design either. the switch assembly does fit tightly, and it doesn't pivot much, but it is possible to loosen screw #2 and pivot the assembly. it's probably better to pivot the switch on the bottom screw.




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Old Jun 26, 2024 | 08:33 AM
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Thanks for posting the pic. You'd need to remove one screw and then partially loosen the other to do this. Almost any Saturday mechanic is just gonna remove both screws to swap the switch, and the plate is gonna fall to the bottom of the door. My point was if you're in there working on trim panels, window system etc. glue the damn plate on and be done with it. Early in my engineering career I taught a design for serviceability class and this would have been a big no no. The material Corvette parts are made of makes this a bigger challenge.
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Old Jun 26, 2024 | 09:05 AM
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Originally Posted by rkjjeep
Thanks for posting the pic. You'd need to remove one screw and then partially loosen the other to do this. Almost any Saturday mechanic is just gonna remove both screws to swap the switch, and the plate is gonna fall to the bottom of the door. My point was if you're in there working on trim panels, window system etc. glue the damn plate on and be done with it. Early in my engineering career I taught a design for serviceability class and this would have been a big no no. The material Corvette parts are made of makes this a bigger challenge.
i agree! these cars were designed to be assembled, not disassembled - the fastest and cheapest way. remember, the bean counters were running the company. save a buck on a 30 thousand production run will save $30K. all anyone was worried about was to get car thru the warranty period. nobody in product engineering ever thought about serviceably, especially on a 40 year old car. not only the Saturday mechanic, but this one will get past most all seasoned mechanics. only specific experience, will get anyone through this repair. my first time, dropped the plate.

Last edited by Joe C; Jun 26, 2024 at 09:42 AM.
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Old Jun 26, 2024 | 09:18 AM
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When the OP said door switch I thought he meant the actual power door lock switch on the inner door panel.
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Old Jun 26, 2024 | 09:43 AM
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People! Seriously? Remove the screws one at a time and replace with longer 2 in(six inch if you want) screws. Cut the head off the screws and replace the switch. Simple.
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Old Jun 26, 2024 | 09:45 AM
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Originally Posted by Topduarte
When the OP said door switch I thought he meant the actual power door lock switch on the inner door panel.
no problem. when the OP said the plate will fall, i knew exactly what he was talking about - been there, done that!
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Old Jun 26, 2024 | 10:05 AM
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Originally Posted by arbee
People! Seriously? Remove the screws one at a time and replace with longer 2 in(six inch if you want) screws. Cut the head off the screws and replace the switch. Simple.
simple, yes and that's an alternate method assuming everyone has longer screws, in the correct size, laying around. for most, it will mean a trip to the hardware store. thanks for your input
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Old Jun 26, 2024 | 10:14 AM
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Originally Posted by Joe C
simple, yes and that's an alternate method assuming everyone has longer screws, in the correct size, laying around. for most, it will mean a trip to the hardware store. thanks for your input
Come on dude! You're really reaching now.
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Old Jun 26, 2024 | 10:46 AM
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Originally Posted by Joe C
simple, yes and that's an alternate method assuming everyone has longer screws, in the correct size, laying around. for most, it will mean a trip to the hardware store. thanks for your input
Originally Posted by arbee
Come on dude! You're really reaching now.
How about putting that I/Me, NL(Non Loco) self to work and in the next 15 or so minutes pass on to the rest of us the correct specification for those suggested screws!

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Old Jun 26, 2024 | 11:13 AM
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Originally Posted by arbee
Come on dude! You're really reaching now.
sorry, forgot who i was dealing with here - i am truly humbled by your knowledge, skills, and ability. your method is far superior to anything i could ever come with. anyway, you have a nice day my friend. movin' on....

Last edited by Joe C; Jun 26, 2024 at 11:23 AM.
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Old Jun 26, 2024 | 11:59 AM
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Originally Posted by WVZR-1
How about putting that I/Me, NL(Non Loco) self to work and in the next 15 or so minutes pass on to the rest of us the correct specification for those suggested screws!
Are you claiming that a person with vast knowledge like yourself is not capable of taking a screw out and determining if it is a #8, 10, 12 etc? You don't know long 2 inches is by looking. I'm really surprised you need specifications. Maybe I overestimated you.
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Old Jun 26, 2024 | 12:04 PM
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Originally Posted by Joe C
sorry, forgot who i was dealing with here - i am truly humbled by your knowledge, skills, and ability. your method is far superior to anything i could ever come with. anyway, you have a nice day my friend. movin' on....
Not MY skills! There is not a tradesperson out there worth their salt that has not used this method in some way during their career. It's common knowledge amongst "practical" people. This just reiterates my belief that engineers should stick to their CAD programs and let people with practical everyday experience handle the installation/maintenance.
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Old Jun 26, 2024 | 12:23 PM
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Originally Posted by arbee
Not MY skills! There is not a tradesperson out there worth their salt that has not used this method in some way during their career. It's common knowledge amongst "practical" people. This just reiterates my belief that engineers should stick to their CAD programs and let people with practical everyday experience handle the installation/maintenance.
again, i'm humbled! as far as installation and maintenance, i've wrenched on schitt, you could only dream about -
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Old Jun 26, 2024 | 01:06 PM
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Originally Posted by Joe C
again, i'm humbled! as far as installation and maintenance, i've wrenched on schitt, you could only dream about -
How precious. I have worked as a construction superintendent with some of the largest industrial construction firms in the world on multibillion dollar oil and gas projects and you're telling me you have " wrenched on schitt, you could only dream about." Ever hear of Fluor? How about Bechtel? Have a good day. Pointless.
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Old Jun 26, 2024 | 01:48 PM
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Originally Posted by arbee
How precious. I have worked as a construction superintendent with some of the largest industrial construction firms in the world on multibillion dollar oil and gas projects and you're telling me you have " wrenched on schitt, you could only dream about." Ever hear of Fluor? How about Bechtel? Have a good day. Pointless.
i'm impressed - then again, doesn't take much to impress me! i agree - pointless.


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