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2004 3.6 X51 oil change

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This weekend I changed the oil on the Porsche. This is the second time I've changed the oil and both times it has taken 9 Qts to fill. The level on the dipstick is right at the top notch, where it's supposed to be. The dashboard shows one bar less than all bars lit.

Does the X51 require more oil? I hope this doesn't sound like a dumb question, but both times I've changed oil now it's been the same.

Thanks for the help.

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one segment is 0.2 liter. One below the "full" mark or one left unlit above "full" line?

rock breaks scissor

paper covers rock

scissor cuts paper

stick trumps gauge.

Edited by fpb111
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First post,been lurking for awhile. 2004 C4S 47000 miles

Same here,changed oil twice. 9.25 quarts both times to full mark on stick and the dash.

After one year and 3000 miles the dash read out is down 2 bars and stick is comparable.

I would not have purchased my Porsche without the information available on this site.

Thank you Loren.


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The manual says 8.7 Qts with a filter change. I cannot find anything that says the x51 requires more oil. I'm lucky, my pcar does not use any oil, at least not enough to register. This is the third oil change, first done by dealer, last two by me.

Guess I won't worry about it.

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  • 3 weeks later...

I have to chime in here, I learned the very hard way that checking oil level can be deceiving. These cars take a lot of oil and it expands quite a bit, if you take the dipstick measure when the oil is anything but absolutely hot, that is down near 1 bar at idle, it will read low. Filling with cold oil during a change and go to the top mark, you have over filled it. The recommended fill in the manual is exactly right. You don't want to run it overfull, I'm not the only that has done this, the shop that changed to oil with my previous owner over filled it. Forget the gauge, the computer is too rudimentary to take into account the many parameters involved. Get the car completely hot and let it sit for 10 mins on level ground and check.

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