Worldwide | Elections | North America | Latin America | Europe | Asia | Africa | Events |. Mayors from The Americas, Europe. Asia, Australia and Africa are competing for the annual World Mayor Award. More. City Mayors ranks the worldâs largest as well as richest cities and urban areas.
Letting your car idle isn't actively bad for the drive train, but it certainly does put strain on the engine, additionally engaging the AC will put the engine under load, and work the engine harder even though you're not driving anywhere.
PopMech's car guys explain why your car could be ticking like a watch. My engine has developed a strange ticking sound. Its whisper-quiet before an oil change, and then makes a loud tapping after a new filter and fresh oil. This cycle has been going on for about 20,000 miles.