Question about 1985 Ford F150

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Exhaust replacement & Rear Brakes

Ok, so I have a 1985 Ford F150 8 cyl 5.0 ltr 4wd fuel injected truck.

I need to replace the muffler, center exhaust pipe, and rear catalytic converter. I need to know if I can cut the rear catalytic converter off and purchase a universal catalytic converter and just use a clamp to clamp it to the ehaust pipe I just cut it off of or will I have to weld it to the old pipe where the broken one formerly was. If I can not do this would I be able to replace the whole catalytic converter setup without replacing the exhaust manifolds like where would the exhaust manifold end and connect to the catalytic converter exhaust pipe portion. Do it just require a gasket and some bolts will I have to weld it on?

Also if the tail pipe is good condition but has maybe an 1/4 inch of rust where its bolted to the muffler can I just cut the rust part off and move it "down".

I also have a blown rear axel seal what is it, what do it do and where do I locate it? Is this serious enough to warant fixing it or will it just leak and such so I will have to monitor fluid levels. This blown rear axel seal has fouled the rear brakes, drums, and shoes on both sides. I am told that I have to replace all of this. How complicated is this whole procedure?

Will I need any special tools?

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  • genius117 Mar 04, 2009

    Thanks but I cant afford the live chat $. Will have to hope for the best. What needs clarifaction?

  • yadayada
    yadayada May 11, 2010

    to big a problem for free forum, u won't get a response most likely, I made a suggestion based on my experience on this web site, not a solution, so I used the clarification tab. What u do or don't do is entirely up to u, good luck. One suggestion buy a used manual on ebay.i

  • yadayada
    yadayada May 11, 2010

    suggest u use the live chat option of this web site.

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  • Master
  • 1,118 Answers

I can't see a problem with the converter, but if your in one of the states that does emissions testing it might be a problem as it most likely would leak where its clamped. The best thing to do is get it all on and try to find someone to weld it for you. As far as axel seals, if there bolt in axels unbolt pull out and use the end of the axel to pop out the old seal, and just tap the new seal in carefuly. seals around $ 10.00. Break kleen will clean up break shoes and drumb. Need more help just ask.

Posted on Mar 04, 2009

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