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 Bio-SynXtra™ HD Plus SHP 5w30 Low Ash)
2005 Corvette (RLI Bio-SynXtra™ SHP 0w30)