Meaning: To calm an angry quarrel; to have a soothing effect through tact or skill in dealing with people.
Oil sits on top of water, and the water tends to stop washing around so much with that other substance on top of it. Therefore, if you pour oil on water that is sloshing around, it will calm things down.
If you pour oil onto water, it smooths the surface out, thus calming the ripples and "troubles." This means that someone or something smoothed things over and calmed everything down.
The cast of Oil on Troubled Waters - 1913 includes: George Periolat as Old Miner Benton
Oil has a higher viscosity than ocean water so, when it's poured from a ship, will tend to prevent local wind waves from breaking, thus making the boat's passage safer. The metaphor means, "To calm things down".
I think it has a literal meaning. A peacemaker is someone who makes peace. He settles disputes that have broken out and anticipates possible volatile situations before violence flares up. He "pours oil on troubled waters".
Change the oil
If your husband poured barsleak in the crankcase, it probably stopped up the oil pickup screen. It is supposed to be poured in the radiator. The engine is probably ruined if you have driven it with the oil light on.
Pancake batter, oil.
An oil filler cap is a metal that covers the hole where the oil is poured.
It is the quantity or the volume of Lubricating Oil poured into the Lub Oil tank in a 4 stroke engine . It could be approximately 1.4 Litres , I guess. Rgs, Sunil.
Drain the oil, and refill.
The oil has less density
Change oil and filter
Oil.