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jack20 |
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Member ![]() ![]() Group: Members Posts: 406 Joined: 7-November 14 From: Granite Bay, CA Member No.: 18,099 Region Association: Northern California ![]() ![]() |
I need to remove and replace the poly bushings from my rear trailing arms. They are squeaking and popping and I can't stand it anymore.
The bushings are held in place with JB Weld. The arms are freshly powder coated and have new bearings in place so I don't want to use a torch to melt the JB Weld. Any suggestions on how to remove the bushings and clean up the inside diameter of the trailing arms without using a torch? Thanks in advance. Jack |
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914forme |
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#2
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Times a wastin', get wrenchin'! ![]() ![]() ![]() ![]() Group: Members Posts: 3,896 Joined: 24-July 04 From: Dayton, Ohio Member No.: 2,388 Region Association: None ![]() ![]() |
Pure Poly or Poly Bronze?
Polyurethane is a TPU( Thermoplastic) it is a heat set plastic, so heat except for extreme heat is out of the question. Now JB weld breaks its bonds at 600 degrees, but that will also burn off your powders so here are some ideas. Step Drill Milling Machine Really big drill bit Hack Saw Dremel with a carbide bit A round flapper wheel Liquid nitrogen the poly, hit it with a hammer Really long bar drive it out on a 20 ton press a finger nali file air powered body saw once you get them out you an use a brake hone or a drum sander to true them up. a file a (IMG:style_emoticons/default/smash.gif) and beat the (IMG:style_emoticons/default/stromberg.gif) of it A controlled (IMG:style_emoticons/default/sawzall-smiley.gif) cut Instead of a hack saw blade I would suggest a sawmill blade. drill 100s of tiny holes Purchase different arms Cold Chisel If it is pure poly a wood chisel would also work a ginsu knife, it cuts everything (IMG:style_emoticons/default/beer.gif) |
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