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dsalinas1939
Top Member

USA
1326 Posts
Posted - 05/20/2021 :  05:25:07 AM  Show Profile  Reply with Quote
hey guys i starter a new thread i posted about def codes on 2017 c2 i am looking for the def filter it looks as tho its in the mudule i looked on quick serve and it doesnt show a filter is what i am looking at on the module the filter ? or does it not have one if it does do u no the part number

Bluenozer
Top Member

Canada
646 Posts
Posted - 05/20/2021 :  06:20:50 AM  Show Profile  Reply with Quote
it is , look for a plastic cap I think it's a 24mm socket facing downwards , I've pulled many and found nothing in them, unless the cap is loose or cracked then air would make it get crusty
OEM trained in wiring and all engine platforms for over 20 years
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dsalinas1939
Top Member

USA
1326 Posts
Posted - 05/20/2021 :  06:31:46 AM  Show Profile  Reply with Quote
nothing meaning no filter or just the filter was clean
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dsalinas1939
Top Member

USA
1326 Posts
Posted - 05/21/2021 :  03:49:31 AM  Show Profile  Reply with Quote
ok i took the cap off but whats the trick to getting the filter out without destroying everything its stuck in there
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Bluenozer
Top Member

Canada
646 Posts
Posted - 05/21/2021 :  04:58:01 AM  Show Profile  Reply with Quote
I just pull it out down seals on an o-ring
part number 2888182

look under aftertreatment in parts
right side of diagram
call out on part is 8
OEM trained in wiring and all engine platforms for over 20 years
Edited by - Bluenozer on 05/21/2021 05:02:48 AM
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eddo
Advanced Member

USA
311 Posts
Posted - 05/21/2021 :  1:44:43 PM  Show Profile  Reply with Quote
supposedly, these things are good for 300,000 miles.
not sure how that relates to city vs highway use, just been told 300,000 miles.
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Brook Peacock
Senior Member

116 Posts
Posted - 05/25/2021 :  04:39:23 AM  Show Profile  Visit Brook Peacock's Homepage  Reply with Quote
This worked on mine, though I'm curious how's the fix on your side OP?
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dsalinas1939
Top Member

USA
1326 Posts
Posted - 05/26/2021 :  09:44:44 AM  Show Profile  Reply with Quote
i replaced the def filter and did ecm update its been on road for two days and so far the driver said no problems so will see
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dsalinas1939
Top Member

USA
1326 Posts
Posted - 05/27/2021 :  12:55:27 PM  Show Profile  Reply with Quote
so far so good bus been on road for three days it does a long route and driver says no issues as of yet
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