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73’ Front Caliper help

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  #1  
Old 08-03-2018, 04:54 PM
cjbronco
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73’ Front Caliper help

So I have started to disassembly the front end on my 1973 CAMPER SPECIAL. Plan is replace bushings, new calipers, rotors, bearing etc.

I have dual piston caliper that i am trying to remove. There is an upper and lower “guide bolt” that needs to be removed in order to remove the caliper. I have been beating away at these things for a few hours now. See pic below. They are still no out yet. An suggestions to finish this side and for when i start the other side? Thanks
 
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Old 08-03-2018, 06:17 PM
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Mech Anon
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Hit it with your purse. Hah jk. It probably got lobed from being in there forever. Aside from the obvious (pentrating oil) Can you get a baby pipe wrench or a fat vise grip on there and twist it at all? Try clocking it 90 degrees and then go at it again. Looks like a ball joint separator might be handy too. You could try heating up the caliper a bit. Not the pin though unless you have a replacement. But that won't help if the bolt is lobed and it's hanging up on a shoulder now.
 
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Old 08-04-2018, 08:42 AM
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I will try getting my biggest vice grip and turning it (i beat up my channel locks pretty good yesterday trying to turn the head of the bolt). At this point i already ordered a new set for each side so I am not worried about salvaging them or the caliper. It’s all getting replaced.

May run and grab a torch to heat up and try that later.......
 
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Old 08-04-2018, 01:10 PM
HoustonDave
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Maybe use a dremel tool with a cutoff wheel to remove the head... try using a 1/4" pin pinch to drive it through. While you are rounding that stuff up, let it soak in PB blaster.
 
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Old 08-05-2018, 11:16 AM
cjbronco
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Happy to report that with some additional PB Blaster and some heat ( a few curse words and a BFH) I got the two guide bolts removed and the caliper off.

moving onto replacing the bushings, springs and shocks. Will posts some pics of the progress after getting home from the beach.

thanks again
 
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Old 08-11-2018, 03:20 AM
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Glad you got the pins out. I ended up using one of my 1/4" drive sockets of a similar external diameter to drive one of the pins out (ruined the socket), then used that pin to help drive the others. I ended up replacing the brackets as well as the calipers - everything was pretty corroded.
 
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Old 08-11-2018, 07:15 PM
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I spent way too much time trying to remove them, but after being unfit 45 years they clearly didn’t want to leave. Heat, beat (with a drive punch), and repeat.

now I have posted a question about the replacement front coil springs I have ( can’t get the top retainer lined up) and I hope to have it all put back together shortly.

All new axle pivot bushing and radius arm bushings are in!
 
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Old 08-12-2018, 02:07 AM
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Progress at least!
And it looks like those pads were ready for retirement. Doing all this work just in time then, and should make it feel great on the road.

Paul
 
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