DPF delete problem - Ford Powerstroke Diesel Forum

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post #1 of 6 Old 01-29-2012, 06:34 PM Thread Starter
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DPF delete problem

I just got a dpf/cat delete pipe but I was unable to get the stock exhaust to break loose between the cat and muffler. I loosed the exhaust clamp and beat the living crap out of it and it never budged an inch. I was wonder if there was something I was missing or if there was a trick I need to know.


08 250 XLT CCSB auto,4x4, 3" Rough country lift with, 35x12.5, XRT PRO tuner, DPF/CAT delete, A&B CAI

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post #2 of 6 Old 01-31-2012, 10:17 PM
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I undid mine at the down pipe and got all the hangers loose and then wiggled the entire length of pip up and down till that joint worked free.

1991 Ranger - 38" TSL's, 3 link, One tons, 5.38s on King air shocks....under construction.
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2008 F350 - Crewcab short bed, 6.4L diesel, H&S XRT Pro, AFE DOC/DPF delete
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post #3 of 6 Old 02-01-2012, 04:59 AM
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PB Blaster, Kroil, or other suitable penetrating oil. spray all around that connection.

That joint is the first thing you do. If you've already disconnected the cat pipe from the downpipe, reconnect it.

spray it down real good and mule kick the muffler towards the back of the truck. the pipe will slide right off the back of the DPF
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post #4 of 6 Old 02-01-2012, 05:01 AM
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I sparyed the crap out of it with pb blaster , and hit the brakets towards the back of the truck and finally worked loose , Good luck

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post #5 of 6 Old 02-04-2012, 09:43 AM
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I second the PB Blaster. Worked like a champ on my mid pipe 1 and mid pipe 2 I'm order to do my dpf and at delete. Im sure you know this but Make sure you tune it afterward.


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post #6 of 6 Old 02-04-2012, 10:44 AM
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I used a ratchet strap tied one end to the axle and other to the cat, crank down while wiggling... repeat.

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