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DIY Oil Change, 2010+ DFI 3.8L Turbocharged Engine, M979A1

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Old 06-16-2012, 08:43 PM
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DIY Oil Change, 2010+ DFI 3.8L Turbocharged Engine, M979A1
Oil drain plug M18 X 1.5, replace sealing ring, 37 ft/lb
Oil filter cover, replace gasket, 19 ft/lb
Oil volume during oil change 7.5L
Oil volume during new engine build 10.4L

1. Pull out telescopic oil filler tube
2. Clean filler tube with clean cloth
3. Loosen oil filter cover counter clockwise
4. Unscrew oil drain plug, hexagon socket - NOTE THIS IS A HEXAGON NOT TORX SOCKET, AND THE BOLT IS VERY SOFT (ALUMINUM.) YOU MAY WANT TO SWAP TO STAINLESS STEEL.
5. Drain oil
6. Replace sealing ring
7. After replacing engine oil, replace oil drain plug 37 ft/lb
8. Losen oil filter cover with AF36 (or equivalent) tool.
9. Remove filter cover, remove gasket, pull out filter element.
10. Fit new gasket, replace new filter element.
11. Replace filter and cover into oil filter housing.
12. Hand tighten cover, then torque to 19 ft/lb.
13. Replace engine oil, 7.4L for oil change, 10.4L for engine rebuild/new engine.
 
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Old 06-17-2012, 12:29 AM
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Last edited by 81911; 06-17-2012 at 11:08 AM.
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Old 06-17-2012, 12:30 AM
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Last edited by 81911; 06-17-2012 at 11:07 AM.
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Old 06-17-2012, 08:55 AM
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Originally Posted by 81911
Pretty good but you should remove the filter before draining it. Also suck out the remaining oil from the filter housing. Also oil must drain a minimum of 20 minuets and I'd start with a little of 7 quarts then check level and add accordingly. Each oil change a different amount comes out.
The listed instructions are the step by step instructions listed in Porsche's workshop manual, WM170155. Removal of the filter, oil from the housing, 20 minutes drain time were considerations in draining the older M64 block, but are no longer listed in the instructions for the new 9A1 engine. While your suggestions may still be useful, Porsche no longer recommends these steps in the new engine, and they have been excluded in the step by step instructions.

Originally Posted by 81911
Also if it's turbo you can pull the external torx bolts out and remove the lines to remove a little extra out. There are no drains for the turbos on 997's so this fixes that.
I know you are a Porsche tech, but neither workshop inserts for the 997 GT2/TT or the newer Turbo/Turbo S suggest doing this. And I have never been able to reach the oil lines easily without pulling the bumpers and ICs.
 
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Last edited by bbywu; 06-17-2012 at 09:10 AM.
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Old 06-17-2012, 09:14 AM
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I find access to the oil lines difficult without pulling the bumper.
 
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Old 06-17-2012, 09:18 AM
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Last edited by 81911; 06-17-2012 at 11:07 AM.
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Old 06-17-2012, 09:19 AM
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No help needed.
 
Last edited by 81911; 06-17-2012 at 11:06 AM.
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Old 06-17-2012, 10:34 AM
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Originally Posted by 81911
However if you trust internet Porsche experts that much then you haven't used them too much.
fixed.
 
Last edited by bbywu; 06-17-2012 at 10:36 AM.
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Old 06-17-2012, 10:42 AM
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Over it
 
Last edited by 81911; 06-17-2012 at 11:06 AM.
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Old 06-17-2012, 10:57 AM
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Originally Posted by 81911
Do you do this stuff for a living?
No, he's an owner and a long time member of 6speed and Ts, great stuff as always!
 
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