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Oil pressure relieve valve - questions
I want to change the oil pressure relieve valve spring and the oil pressure safety valve spring and the pistons. I am wondering how much oil will come out of there if I take them apart without draining the oil first. A little bit, a couple of quarts or all? Has anyone done this before without draining the oil?
How tough is it to get the pistons out of there. Will a magnet work? Ingo
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1974 Targa 3.6, 2001 C4 (sold), 2019 GT3RS, 2000 ML430 I repair/rebuild Bosch CDI Boxes and Porsche Motronic DMEs Porsche "Hammer" or Porsche PST2, PIWIS III - I can help!! How about a NoBadDays DualChip for 964 or '95 993 |
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03-20-2004, 08:41 PM
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Bird. It's the word...
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Both those caps are very low on the engine. I imagine it would be just like undoing the sump plug! If it's new(ish) oil I'd drain the oil into a clean 98c bucket and return the oil when you're finished.
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John Forcier Current: 68L 2.0 Hotrod - build underway |
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03-21-2004, 12:00 AM
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Join Date: Dec 2000
Location: The Hague, Netherlands
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One mine not much more than a quart. Also depends on how fast you work. A magnet worked for me to get the piston out.
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Peter '13 981S '73 911T '05 996 4S cab, now gone '70 911S Targa, now gone |
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03-21-2004, 02:52 AM
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I figured the oil pressure relieve valve dumps into the gravity feed line. Wouldn't that dump the entire tank once I take the piston out?
Anyway, I have to change the oil pretty soon. So I just hold off on it. Ingo
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1974 Targa 3.6, 2001 C4 (sold), 2019 GT3RS, 2000 ML430 I repair/rebuild Bosch CDI Boxes and Porsche Motronic DMEs Porsche "Hammer" or Porsche PST2, PIWIS III - I can help!! How about a NoBadDays DualChip for 964 or '95 993 |
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03-21-2004, 05:24 PM
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1974 Porsche 911 Targa 3.6
1969 Porsche 911T 2.7RS Spec with Webbers
