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  #1  
Old 08-31-2009, 06:01 PM
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dpf/cat question

I've ordered my dpf/cat delete and have a question where the flange comes off of the downpipe how are you guys getting the bolts out because they look like they are tack welded.
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Old 08-31-2009, 07:21 PM
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I have not done mine yet but I believe that the nuts are tack welded. the bolt is removed from the front, or at least whatever is in the front is what is removed, but I am sure more that know more will chime in
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Old 08-31-2009, 07:29 PM
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Ok thanks maybe i just looked at it wrong
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Old 08-31-2009, 07:33 PM
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the nuts are tack welded and the bolts come out if i remember correct...get extensions a FEW of them ....and a flare nut wrench helps ALOT on the sensors.......
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Old 08-31-2009, 07:55 PM
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What size flare nut wrench for the sensors?
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Old 08-31-2009, 08:01 PM
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13mm I believe
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Old 08-31-2009, 08:05 PM
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yea 08stroker250 is right...just make sure u dont get a cheap flare nut wrench im not saying the sensors are hard to get out but they didnt come right out for me and make sure to unplug them before u lower the dpf and exhaust down and then unscrew them once u have it from under the truck its easier
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Old 08-31-2009, 08:09 PM
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If you are having problems with getting the sensors out, try to get your hands on a torch. Lots of heat will really help getting them out
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Old 08-31-2009, 08:50 PM
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will auto parts stores have flare nut/ line wrenches?
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Old 08-31-2009, 08:52 PM
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yea they should
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