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Amount of oil in TTS

 
Old 02-10-2019, 10:13 AM
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porsche42
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Default Amount of oil in TTS

I change my own oil and have since I bought the car new. Every time I change it I find I need 8.5 quarts to
fill it although the manual says 7.5 quarts. Anyone see this on every oil/filter change? Car is a 15 TTS and
has 23k miles, it burns no oil.
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Old 02-10-2019, 11:41 AM
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aft86
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Originally Posted by porsche42 View Post
I change my own oil and have since I bought the car new. Every time I change it I find I need 8.5 quarts to
fill it although the manual says 7.5 quarts. Anyone see this on every oil/filter change? Car is a 15 TTS and
has 23k miles, it burns no oil.
For a TTS it is 7.5 Liters (7.9 Quarts.) It is similar for me on a 14 TTS. It uses a bit more, just over 8 Quarts (8.2/8.3) for the level to be green, and mine hasn't showns signs of burning oil either. Hopefully my sensor isn't bad and I'm over filling it haha.
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Old 02-10-2019, 12:08 PM
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trevorlj
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Same deal here...I think it took me ~8.7 quarts to get one block below max (ie two blocks below overfull). That 7.5L/7.9 Quarts at max is questionable...it gets worse if you trust that with the "difference between the minimum and maximum marks on the segment display is approx. 1.7L/1.8 Quarts" statement. Don't drive your car with 6.1 Quarts kids...

BTW...from the workshop manual "Filling capacities - 991 Turbo and 991 Turbo S: Filling capacity after disassembling engine: 10.4L" (11.0 Quarts)
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Old 02-10-2019, 01:01 PM
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I’m pretty sure it’s a function of how long you let the sump drain. Last time, I got distracted by something and the sump got to drip for 4-ish hours. Took 9 quarts.
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Old 02-10-2019, 01:08 PM
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Originally Posted by worf928 View Post
Iím pretty sure itís a function of how long you let the sump drain. Last time, I got distracted by something and the sump got to drip for 4-ish hours. Took 9 quarts.
Is there a benefit to letting it drain that much? I wouldn't mind leaving it draining overnight ha!
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Old 02-10-2019, 01:22 PM
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Originally Posted by aft86 View Post
Is there a benefit to letting it drain that much?
Gets more old oil out?
Can take a nap while dripping?

It wasn’t my intention to let it drain for half the day.

Last edited by worf928; 02-10-2019 at 01:39 PM.
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Old 02-10-2019, 08:14 PM
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Yeah 7.5 Liters.I let it drain 30-45 minutes, didn't think that made a difference. thx Guys.
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Old 02-10-2019, 10:18 PM
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I just looked at my notes: 9.25 quarts to get to 4/5ths on the cluster gauge. That extra - accidental - 3.25 hours of dripping makes a difference...
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Old 02-14-2019, 03:11 AM
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What oil are you using?
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Old 02-14-2019, 03:18 AM
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M1 0w-40
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Old 02-14-2019, 12:37 PM
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Not that I track but I am thinking switching to Liqui Moly 5w40. Anyone has any experience with that?
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Old 02-14-2019, 09:43 PM
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Originally Posted by 911tts-LA View Post
Not that I track but I am thinking switching to Liqui Moly 5w40. Anyone has any experience with that?
Itís probably a great oil, but I doubt it would be any better than M1 0w40. Just change it every 5k miles and youíre good.
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Old Yesterday, 12:53 PM
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porsche42
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I use M1 5w-50 was using M1 0w-40, but switched on LexVan oil analysis numbers.
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Old Yesterday, 02:06 PM
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My highly trusted mechanic from Orbit Racing in Riviera Beach, FL has a great technique that he uses on modern Porsches. He measures the amount of used oil that came out (including the filter oil) and puts that much in as a baseline, then adds oil as needed to top it off.

As with Dave C's technique, he likes to let them drain overnight and re-fill them in the morning to get a more complete change.
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