- Engine: Engine Code. A sequence of letters and numbers. This includes the engine block type and engine family, but may also include other information.
- Capacity: Capacity/Filter capacity in litres(liters). Engine oil fill quantity (Service fill).
- Intervals: Oil Change Intervals (use: normal). Engine oil should be changed at the latest after this time or after miles/km, whichever comes first.
The oil filter must be replaced every time the oil is changed, unless the car's owner's manual recommends otherwise.
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Model: Mercury Grand Marquis (1986 – 2011) | Engine | Capacity | Intervals |
|---|---|---|---|
| Grand Marquis 4.6 V8 (1990 – 1997) | 4.7 | 5 000 miles | |
| Grand Marquis 4.6 V8 (1998 – 2002) | 4.7 | 5 000 miles | |
| Grand Marquis 4.6 V8 (2003 – 2005) | 5.7 | 5 000 miles | |
| Grand Marquis 4.6 V8 (2005 – 2011) | 5.7 | 5 000 miles | |
| Grand Marquis 4.9 V8 (1986 – 1990) | 4.7 / 0.9 | 12 000 km/ 6 months |