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#4 body bolt and cage nut.

Old 01-11-2019, 09:41 AM
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540 vette
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Default #4 body bolt and cage nut.

Number 4 is in the car towards the rear of the interior. Instead of lifting the rug can I drill a hole in fiberglass under the car and spray it in that way. There is a boxed out area around the cage nut. Spray the PB blaster in the hole and then fill it in.
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Old 01-11-2019, 02:46 PM
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dmaxx3500
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the nut plate is riveted to the floor,and the lower box is riveted to the floor [on a conv-theres a top box plate -to mount the deck lid hinge],just lift the carpet and the #4 mount/bolt is right there
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Old 01-12-2019, 06:18 PM
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that cage is a convenience item to hold the nut in place during assembly when new. it will not hold the nut while you unbolt it. I think a piece of square tubing will sit on there. hold it with a pipe wrench. but most often the bolt gets cut out.
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Old 01-12-2019, 06:40 PM
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You'll likely shear the cage off
Some screwing around with square tubing worked for me
https://www.corvetteforum.com/forums...oval-tool.html

BTW, it should be behind the carpet IIRC, convertibles are under the spring and hard to get to as well
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Old 01-12-2019, 06:53 PM
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When playing around I found a 1-1/4 piece of square tubing seemed to have an inside dim of just over 1" and fit the nut with no cage.

A 1-3/4 piece of tubing has about an 1-1/2 inside and fits with the cage on.

Weld a nut or use a larger adjustable to hold the tube and then tighten the bolt

HIH
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