 Oilfiller Neck question, why is there a cap ? |
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| Frankvw |
 Sep 14 2016, 01:06 PM
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#1
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working on my first 914 !  Group: Members Posts: 652 Joined: 13-April 16 From: Holland, the Netherlands Member No.: 19,896 Region Association: Europe  |
Hi, since I was working to tidy up the engine a bit, check the vacuumhoses, change oil etc, I removed the oilfiller neck, since it is about the dirtiest part in the bay and wanted to clean it.
When I looked in the case with a flashlight to see what it looked like in there, I saw a small plastic cap laying in there. It does fit in the oilfillerneck base bottom, see pic, so I guess that is where it belongs. I took out the Haynes manual but I cannot find this part mentioned. What is it for ? Why is there a capped hole in there ?  |
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| mark04usa |
Sep 14 2016, 01:39 PM
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#2
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'70 1.7 Tangerine Group: Members Posts: 351 Joined: 14-September 09 From: Austin TX Member No.: 10,805 Region Association: Southwest Region 
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Looks like stopper for the breather valve, part # 022 115 486. #9 in diagram
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| Frankvw |
Sep 14 2016, 01:44 PM
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#3
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working on my first 914 ! Group: Members Posts: 652 Joined: 13-April 16 From: Holland, the Netherlands Member No.: 19,896 Region Association: Europe |
QUOTE(mark04usa @ Sep 14 2016, 01:39 PM)  Looks like stopper for the breather valve, part # 022 115 486. #9 in diagram Great, that is the one. Thanks ! I will have to check if nothing is missing there... I cannot find it in the Haynes, where did that diagram come from ? From the partnumber you mentioned I found post http://www.914world.com/bbs2/index.php?showtopic=19995 so it happens to others as well :-) What does the valve in there do ? regulation of crankcase pressure ? |
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| Frankvw |
Sep 15 2016, 12:49 PM
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#4
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working on my first 914 ! Group: Members Posts: 652 Joined: 13-April 16 From: Holland, the Netherlands Member No.: 19,896 Region Association: Europe |
Ok, checked all in the diagram and all is there.
So I cleaned it up, all back together, install new gasket and the plug in. Small job, always nice to have some result and another thing off the to-do list. oh...and nothing else broke while doing this, that is also a good thing (IMG:style_emoticons/default/smile.gif)  |
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| mark04usa |
Sep 15 2016, 01:14 PM
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#5
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'70 1.7 Tangerine Group: Members Posts: 351 Joined: 14-September 09 From: Austin TX Member No.: 10,805 Region Association: Southwest Region
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Great to see that you have well sorted the breather! (IMG:style_emoticons/default/smilie_pokal.gif) Not sure what the valve does, likely it is for gases to flow only one direction. The parts diagrams and info are available at the Porsche website here:
http://www.porsche.com/all/media/pdf/origi...914_KATALOG.pdf |
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| era vulgaris |
Sep 15 2016, 02:17 PM
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#6
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J is for Genius Group: Members Posts: 982 Joined: 10-November 13 From: Raleigh, NC Member No.: 16,629 Region Association: South East States |
QUOTE(mark04usa @ Sep 15 2016, 03:14 PM) Not sure what the valve does, likely it is for gases to flow only one direction. PCV, or Pressure Control Valve. It's for crankcase ventilation. It allows gases to escape the engine case. |
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