Controversy about oil
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Controversy about oil
My owner's manual ( 2001 S4) indicates that I should use 0-30W in my S4. If 0-30W is not available, I may use 5-30W. My dealer says they put 10-30w in the cars.
I phoned AOA to try to get a precise answer to this question. I was unable to get any satisfaction from them. They said that Audi is looking for better ways for the maintenance of the vehicle and it is possible that the dealers have been told that if was not necessary to use 0-30W.
My dealer made enquiries and told me that after talking to AOA, it was concluded that 10-30W or even 15-30W was quit allright and that conditions in North America are not the same as in Europe. (I live in Montreal). Now, that does make much sense to me.
I needed a bit of oil (about 3/4 of a litre) in my car and I finally found Castrol 0-30W that I added in my car. That was before my dealer called me back with his conclusion.
Now, I am really confused. Any help out there? Are there any technical bulletins available on this question?
I phoned AOA to try to get a precise answer to this question. I was unable to get any satisfaction from them. They said that Audi is looking for better ways for the maintenance of the vehicle and it is possible that the dealers have been told that if was not necessary to use 0-30W.
My dealer made enquiries and told me that after talking to AOA, it was concluded that 10-30W or even 15-30W was quit allright and that conditions in North America are not the same as in Europe. (I live in Montreal). Now, that does make much sense to me.
I needed a bit of oil (about 3/4 of a litre) in my car and I finally found Castrol 0-30W that I added in my car. That was before my dealer called me back with his conclusion.
Now, I am really confused. Any help out there? Are there any technical bulletins available on this question?
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Controversy due to sheer ignorance
The spec is a USA/CAN spec not a euro spec. Morons.
10w is inappropriate in the US in winter. 15w is always inappropriate except for racing. The bearings are notoriously tight in this motor (narrow clearance). That's why it takes so long to break in, and why they last so long. 0 and 5 wt were selected by the engineers to protect the bearings at low temperatures.
10w is inappropriate in the US in winter. 15w is always inappropriate except for racing. The bearings are notoriously tight in this motor (narrow clearance). That's why it takes so long to break in, and why they last so long. 0 and 5 wt were selected by the engineers to protect the bearings at low temperatures.
AudiWorld Senior Member
Joined: Mar 2000
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MY 2000 Cdn book says 5W-40 or 5W 30 if 40 is not available..
My dealer in Calgary used Castrol 5W-50 during the summer and just put in the same last week saying that 5W-30 can be used but is not recommended above 10C (50F) So WTF is up with this? Winter is coming and we certainly don't get many plus 10 days to make it a concern for the 5W30.
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