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shock bolt broke, cut out floor?

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Old 12-21-2011, 06:32 PM
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Default shock bolt broke, cut out floor?

Im gonna install my lift tomarrow so i figured id try the shock bolts tonight so i can get new ones after the expected brakage. First one snapped with little effort.

Should i cut the rear floor out to make it easy to get new bolts in? Just a small section or try feeding them in like the write up in tech section on here?

Also is the bolt size 5/16 1" long for the front and rear?
Old 12-21-2011, 06:38 PM
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ive had this problem a few times. what i did was drill out the nut thats inside that sub member in the back. use a nut and a washer and sitck your hand up there and put the bolt through. use a lock washer or youll have a hell of a time tighting it up
Old 12-21-2011, 06:59 PM
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What size bolts did you use?
Old 12-21-2011, 07:00 PM
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if you didnt break the stock nuts loose from the subframe, drill out the old bolt and re tap the holes, thats what I did.
Old 12-21-2011, 07:08 PM
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i normally drop bolts down through the unibody .... 5/16 will do 3/8 bettah get new or they will suck to tighten....

Last edited by alloutperform; 12-21-2011 at 07:10 PM.
Old 12-21-2011, 07:08 PM
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Use a chisel amd punch them out
Old 12-21-2011, 07:24 PM
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or he could get a punch and punch them out
Old 12-21-2011, 07:27 PM
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Im gonna get new grade 8 3/8 is 1" good. Front same? What size is the bolt from leaf to shackle? Just want to have all new
Old 12-21-2011, 08:10 PM
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i had the same problem. i ended up cutting the floor and then cut all the old weld nuts out then replaced it all with new grade 8 3/8" hardware. i think an inch would work
Old 12-21-2011, 08:20 PM
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shackle bolt is metric good luck.... 9/16" X 4 1/2 is the best replacement for that if i recall (DON'T QUOTE ME ON THE LENGTH... DON'T REPLACE THAT UNLESS YOU BREAK/ HAVE TO CUT IT!!!!!)
Old 12-21-2011, 08:58 PM
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MY OP broke the bolts drilled new wholes and used those bolts with threads to screw the bolts in. worked great so for me. idk how long theyve been in there though
Old 12-22-2011, 03:33 PM
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Did front and one side of rear today. The other bolt came out fine with an impact gun. Tied a string to new bolt and pulled it through this was way easier then i thought.
Old 12-22-2011, 04:44 PM
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I say just drill it out and use a flush nut.
Did all my tears that way and haven't had any problems so far at all. Took all of 10 mins per side.
Old 12-22-2011, 07:30 PM
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Air hammer and fish in new bolts. No need to cut the floor up.
Old 12-22-2011, 07:32 PM
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Same thing happened here.....went through the floor here too.


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