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Audi SUVs (Q7 & Q5) and other V6 TDIs Discussions area for Audi Q7 and Q5 TDI (2009+ in Canada & the US) as well as others with the V6 TDI such as the A6, A7 and A8 sedans.

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Old April 14th, 2019, 06:21   #1
Join Date: Jan 2018
Location: Australia
TDI(s): none
Default Audi 3.0TDI Oil issues?

Hi All,

I have a 2006 BMK 3.0tdi, 70,000 miles. Owned it for 12 months and have done 2 x oil/filter changes and it's done 8,000 miles in that time. I did an oil change about 2,000 miles ago and i used the Valvoline SYN Power XL-111 which is 507.0 Audi approved. What i did notice is more noise on startup.

Anyway, 3 weeks ago i checked the oil and it is grey in colour and it appears very watery ie: it doesn't cling to your fingers like normal and the oil is very thin. I checked the oil level and it's fine, i undone the oil filter (didn't completely remove it) just enough to check the oil on it. Now i started the car and it has an oil pressure warning message on the dash.

Si i last week I did an oil change with Castrol Edge 5w30 LL 507. Engine noise quietened down and oil pressure warning went. Have not driven the car at all, let it idle for 5 minutes maximum. Checked the oil today after sitting for 1 week (noticed little puff of white smoke on startup) will video and upload after testing again.

Anyway, the oil looks liked it did before, watery and no colour, when the the car has not been driven since oil and filter change only idled for 5 minutes max.

PS: Coolant colour is fine and i can sit for 1 hour in 40c heat idling and the temp is 90 rock solid an doesn't move.


Any ideas?

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Old April 14th, 2019, 06:23   #2
Join Date: Jan 2018
Location: Australia
TDI(s): none

I thought injectors?

Last edited by tdioz; April 14th, 2019 at 06:23. Reason: double
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Old April 15th, 2019, 06:22   #3
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Join Date: May 2001
Location: Montreal

Coolant level is good? Fuel getting into oil by leaky injector possibly?
2014 Audi A6 TDI, Unitronic Tuned
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