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post #1 of 1 (permalink) Old 12-14-2019 Thread Starter
spn
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Join Date: Dec 2019
Posts: 1
Question How to remove PCV diaphragm membrane cap

Hi,

I'd like to replace the PCV oil separator diaphragm membrane on my 2008 XC90 (trying that first rather than replacing entire unit) but I am not smart enough to remove the cap (red arrow in first photo). I am able to turn the cap left and right a few degrees before it stops and won't turn anymore and I don't want to force it. The second photo I found shows that the cap does come off. Can someone please give me some guidance?

Thank you!
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Name:	XC90 pcv box.jpg
Views:	12
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ID:	1093   Click image for larger version

Name:	XC90 pcv box cap off.jpg
Views:	10
Size:	71.0 KB
ID:	1095  
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