That really depends on what model year of Mercury Sable , and which
engine you have
A little more information please
The 1995 Mercury Sable would have come from the factory with ( 5W-30 ) oil in the engines
5
put some oil in it then!!
According to the 1999 Mercury Sable Owner Guide : ( 5W-30 )
SAE 5w20
because it has no oil in it....?
The oil pump is located inside the oil pan.
no coolent low oil
5W-30
According to the 2008 Mercury Sable owners manual : ( the Motorcraft FL-400-SB12 engine oil filter is used for the 3.5L V6 engine )
Ummm...in the engine?
An oil leak on a 1996 Mercury Sable may be caused by a hole in the filter or oil pan. These parts can be replaced at any auto parts store. A mechanic will be able to pinpoint the exact location of any leak.