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.
2013 Cadillac ATS 2.5 (RLI 0w30)
2008 BMW Z4 3.0i (RLI 5w40 HD Low Ash)