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1972 Upper dash fasteners

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Old Jul 20, 2024 | 07:52 AM
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From: Hazerswoude-Rijndijk Zuid Holland
Default 1972 Upper dash fasteners

Wonder if anyone can help me out. I am looking for partnumbers (or size) of the fasteners to mount the uper dash to the firewall/bulkhead.
Think I tried evry screw in my interior screw kit, but they are all to small in diameter. Are the screws or bolts?


1972 Coupe
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Old Jul 20, 2024 | 10:24 AM
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Old Jul 20, 2024 | 10:59 AM
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The 1972 AIM is the same as '73 shown above. There is only one fastener for the dash and it's a screw - you can see it in the lower right of this pic. The forward edge of the dash is held by tabs and the slant of the windshield.
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Old Jul 20, 2024 | 01:18 PM
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I have te AIM for 72 but they don't show. It should be a hex head with a washer. 4 of them each corner 2.
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Old Jul 20, 2024 | 01:40 PM
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Illustration from my GM parts catalog. Item #18 maybe?




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Old Jul 20, 2024 | 02:17 PM
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Big 💋 thank you!

What book is that?
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Old Jul 20, 2024 | 02:47 PM
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Originally Posted by sunflower 1972
Illustration from my GM parts catalog. Item #18 maybe?
I don't think that illustration is applicable to '72. The AIM shows the forward dash panel has clips that fit on the welded metal windshield structure. Look at View A in the lower right - it shows how it secures under the windshield.


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Old Jul 20, 2024 | 03:36 PM
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Yeah that one I saw in the AIM. I don't have that middle bracket. Maybe some has been creative in the past. Any way, I now know what to look for bolt wise. Let's see if I can find a local supplier, shipping to NL is killing these days.
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Old Jul 20, 2024 | 03:57 PM
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Yeah that one I saw in the AIM. I don't have that middle bracket. Maybe some has been creative in the past. Any way, I now know what to look for bolt wise. Let's see if I can find a local supplier, shipping to NL is killing these days.
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Old Jul 20, 2024 | 03:58 PM
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Originally Posted by 67:72
I don't think that illustration is applicable to '72. The AIM shows the forward dash panel has clips that fit on the welded metal windshield structure. Look at View A in the lower right - it shows how it secures under the windshield.

And you would be wrong.


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Old Jul 20, 2024 | 03:58 PM
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Originally Posted by cajos
Yeah that one I saw in the AIM. I don't have that middle bracket. Maybe some has been creative in the past. Any way, I now know what to look for bolt wise. Let's see if I can find a local supplier, shipping to NL is killing these days.
As mentioned above, my '72 shows a rusty (matching the bracket's rust) large-headed Phillips screw securing the pad to the bracket. I don't recall what fastener is used to attach the bracket to the windshield structure. Make sure that whatever fastener you choose is pretty short - like 1/2" at most. You really don't want the point coming up to the topside.
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Old Jul 20, 2024 | 04:03 PM
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Originally Posted by cajos
Big 💋 thank you!

What book is that?
That is General Motors Chevrolet Division Parts and Illustration Catalog. When you went to your friendly Chevrolet Dealer Parts Department and needed a replacement part for your Corvette, that's the catalog the parts counterman used to lookup the correct part number.



Last edited by sunflower 1972; Jul 20, 2024 at 04:16 PM.
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Old Jul 20, 2024 | 04:56 PM
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From: Hazerswoude-Rijndijk Zuid Holland
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Originally Posted by sunflower 1972

THat looks very detailed, cool
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