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Front Bumper Nut Size

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Old Sep 28, 2014 | 06:05 PM
  #1  
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Front Bumper Nut Size

Quick question, what size nut holds the front bumper bolts on to the frame? There are four of them and the crescent wrench I have just isn't going to get the job done (the bumper is dented and caved in so there just is no room to turn it). I already have a socket set so I figure I'll just pick up another socket to use for this since I probably will need it for future projects anyway.

Truck info: 1978 F150 4x4 SWB 351W C6 trans, regular front bumper (no guards or anything, just the standard chrome)
 
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Old Sep 28, 2014 | 06:19 PM
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11/16 or...... buy another set. You can never have too many.
 
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Old Sep 28, 2014 | 10:48 PM
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FYI, nuts and bolts are measured by the thread size, a 3/8 bolt or nut would use a 9/16 socket or wrench
 
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Old Sep 29, 2014 | 04:15 AM
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BB-17758 .. Chrome Bumper Bolt / 9/16" -12 x 1 1/2" long / Reproduced

9/16" is the thread size, not the size of the bolt head / Applications: 1973/79 F100/350 front/rear bumpers.
 
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Old Sep 29, 2014 | 08:15 AM
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Sorry I wasn't clear. The info he really needed was socket size. Nuts take a 11/16 socket.
 
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Old Sep 29, 2014 | 08:34 AM
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Yes. The factory put 11/16" nuts on there. If somebody changed them, they could be 3/4" (I've run into this plenty on different trucks.)

Buy a 6 point, impact socket set. You're going to run the risk of snapping the socket or stripping out the nut with 12 point chrome socket.
 
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Old Sep 29, 2014 | 10:33 AM
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Bill, Would that be the same bolt if you have the bumperettes? looks like my truck used to have them and someone took them off and I only have 2 out of 4 bolts holding it on now.
 
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Old Sep 29, 2014 | 04:06 PM
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If i remember right, i used about 3 extensions too.
 
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Old Sep 29, 2014 | 05:07 PM
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Originally Posted by TheStuffz
Bill, Would that be the same bolt if you have the bumperettes? looks like my truck used to have them and someone took them off and I only have 2 out of 4 bolts holding it on now.
These are the only bolts, with/without bumper guards.

1978/79: Remove the vinyl pad, the bolts then fit thru the bumper guards.
 
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Old Sep 30, 2014 | 05:30 AM
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Thanks everybody! It has been a while since I even bothered trying to get the bumper off (been working on other parts of the truck, slowly), and all I can remember is that I got hung up somehow and assumed it was the bolt size. I definitely have 11/16 and 3/4 deep sockets so maybe that wasn't my problem...?


Originally Posted by Jklnhyd
If i remember right, i used about 3 extensions too.
Oh wait... maybe this was it. Ah well, I'll see if I have time to give it a try again tonight. I'm getting senile in my old age I think (hey, 23 is older than 22, right?).
 
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