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S4 upper radiator hold down

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Old 05-21-2022, 01:18 PM
  #16  
Kevin in Atlanta
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I use steel shank pop rivets.




Old 05-21-2022, 03:32 PM
  #17  
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Originally Posted by Zirconocene
@ReDesign by FEATHER : I don't know about others, and don't want to derail the thread but I, for one, am interested in the other riveting options.

Cheers
There are a couple of steps up from the aluminum pop rivets and Kevin has pointed out one - the steel body pop rivets. Those would probably work best in this application since there would not be to potential for dissimilar metal corrosion. The other one up would be hardware store soft aluminum solid rivets. They need to be hammered in place to form the formed head. In this case that is a two man job. One man using an air hammer properly sized for the job and a bucking bar to form the formed head against. Probably next up would be aircraft Cherry max rivets which are still basically a kind of pop rivet, but made out of a higher number aluminum alloy and with a slightly different steel forming mandrel. The mandrels both expands the body of the rivet and forms the formed head, but it is also designed to stay in place to provide the needed shear strength. Finally is the regular hard aluminum aircraft rivets which also must be set with the correct size air hammer and a bucking bar. The purpose of most of these rivets is to both expand to fill the hole and to form a head that squeezes the metal together in tension. The aircraft hard rivets, they are called, can be identified by a tiny dimple in the center of the head. Anything above that would be steel rivets which probably must be heated red and then formed in place. I don't have any experience with those.
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Old 05-31-2022, 07:36 PM
  #18  
PC-85-928S
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Have not had time to do this rIght-
meaning pulling the radiator to get any decent access to the area needing repair-
Was considering a make shift bracket using the fender bolt so I can drive it for now-
I think I would have to get a different rubber bumper-
Stock seems pressed in to the brackets.

Stand by for radiator removal!




Last edited by PC-85-928S; 05-31-2022 at 10:25 PM.
Old 07-06-2022, 09:42 PM
  #19  
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Finally got to this repair-
broke out the quick jack I got for x-mas-
i drilled a new hole, and realized the other side of this bracket is really near the headlight-
With the headlight up, you can see where the gold screw comes out from underneath the car-(see pic)








I went with a nut and bolt.
I put the nut in the inside fender area, so it would not interfere with the headlight.
The only way to do this job properly is with radiator and fan removal.
(every time I remove the fans it’s like a wrestling match with me ending up bleeding- Hans please make more fan shrouds!)





Old 07-07-2022, 09:53 AM
  #20  
Mrmerlin
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I used a bolt to fix one of mine just like the picture.
NOTE remove the headlight cover first so you dont drill into it .



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