• 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.

	Engine	Capacity	Intervals
Bravada 4.3 V6 (1991 – 1991)	LB4	4.3 / 0.55	7 500 miles/ 12 months
Bravada 4.3 V6 (1992 – 1995)	L35	4.3 / 0.5	7 500 miles/ 12 months