under the front bumper there is a door that you take a screwdriver and twist the lock and the door will open and the filter will be looking at you in the face
under the front bumper. you need a flathead to undo a flap
Oil pan.
When changing the oil or oil filter of a car, it is important to know the cars oil capacity. For a 1997 Oldsmobile Bravada, its oil capacity is 4.50-4.75 quarts of oil.
SAE 5w30
The 1999 Oldsmobile Aurora oil filter can be found on the left-hand side of the engine. The oil filter will be near the oil pan.
The PCV valve on a 1999 Bravada is located near the oil filter. It is on the passenger side of the engine compartment.
Oil filter is located on driver side fender up front behind the headlight on an oil filter relocation kit...hope this helps.
Just to the drivers side of the engine next to the distributor.
I have a 2002 Oldsmobile bravada and we changed the oil today it took about 7-8 quarts.
On my 1994 Bravada the oil filter is located behind the driver side headlight, if the 1991 has an oil cooler like the 94 it is probably there also. You might also ask at this forum I have found useful http://www.gminsidenews.com/forums
AnswerUnder the plastic access panel marked 'oil filter' in the front of the car low on the front of the engine, right behind the middle of the bummper
Under the front of the vehicle there is a small panel with a big Phillips screw in it, loosen the screw and let the panel open, then right above the panel is where the oil filter will be