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Old 08-09-2011, 11:31 AM
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Help With DPF Delete?

I ordered my dpf delete and its on the way. Does anyone have advice for how i should approach it such as what direction to start dissembling dpf, downloading tuner first, etc... Thanks in advance
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Old 08-09-2011, 04:56 PM
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I downloaded my tuner first, then did the deletes.. as far as taking everything off under the truck, if you're going to do it yourself, i would suggest having a friend there with you. A couple of buddy's and I did mine in about 3 hours on a sunday afternoon, but had I known that I should just unbolt the hangers from the underside of the truck rather than taking the time to delicately pry off the rubber, it would have gone quite a bit faster! The hardest part was figuring out how to disconnect all the different sensors, seeing as how every single one has a different style plug. kind of dumb...
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Old 08-09-2011, 05:38 PM
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I haven't taken a good look under the truck but from what your saying, it will be easiest to disconnect the dpf at the front by the downpipe then at the back by the muffler along with the hangers, then let it drop down. After that unplug the sensors and then the rest of the piping including the muffler just unbolts? Also is there an advantage if i start from the back of the truck then work my way up, I've heard this works. Thanks for your input
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Old 08-09-2011, 05:47 PM
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Download updates, install tuner If H&S run the DPF off tune first, just to make sure your truck will take it drive it , for 5miles or so (not too long or the DPF will heat up and be a pain to take off )
Sensors and DEF first, the wires arent long enough to drop it first, theres a bunch took me a couple tries to find them all.
I did downpipe next , all the hangers (simplest to unbolt them from the frame and deal with them after) and then tail pipe last. Its what worked for me, might be easier another way
And bolt-up is straight forward. Move a hanger to the delete pipe, hang and do up the 6 bolts and done.

I agree with others, this thing weights something like 150+ pounds it isnt light, so a second pair of hands would be a great asset, myself and the wife did it in 2 hours
I had troubles with finding all the sensor plugs with the dpf still on so I ended up taking out the sensors first then unplugging them.. a real PITA

Last edited by grmreaper; 08-09-2011 at 05:51 PM.
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Old 08-09-2011, 06:29 PM
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Yeah, a couple of the sensor plugs are hidden, there is one that is attached to the very last hanger on the cluster **** of SCR/DOC/DPF junk that I did not see until we were already dropping everything. As far as how we took it off, we unbolted from the downpipe, then removed the short spool piece between the emissions and actual tail pipe, removed the counter weight then started dropping the emissions, took the tail pipe out last.
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Old 08-10-2011, 10:47 AM
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I appreciate you guys advice, Thanks!
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Old 08-10-2011, 11:07 AM
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Enjoy the new truck!
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Old 08-11-2011, 07:46 AM
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I'm sure this is a dumb question, but here goes. I am curious about removing all the DPF emission crap on the truck. I know that it will void the warranty, i'm not to concerned about that, what i'm concerned about is getting it smog tested down the line. Any feed back on that would be great. Thanks
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Old 08-11-2011, 08:17 AM
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Well I dont have smog tests where I live, but I'm sure you could just put the dpf back on for the test. Then once you pass, remove it again. I'm not sure how strict your test is, but I know that some guy in Colorado(I think) said he didn't pass with a dpf back exhaust because the factory tip helps reduce temp in regens mode. With this being said, make sure the exhaust is exactly how it came from the factory when you do your test.
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Old 08-11-2011, 09:29 AM
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Smog test laws

I currently live in California, but moving to Bend, Oregon in December. I don't know if they require a smog test like California.
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