The Automotive General Topics forum is NOT for any maintenance related discussions. We have a separate forum for that, yet people continually post about maintenance issues here.
If you have a maintenance question about your car or truck, please post it in the appropriate forum. Thanks.
2010 Audi A4 2.0T Quattro: Castrol 5w40
2008 Ford Taurus X: MaxLife 5w20; MaxLife ATF