The AC low side service ports for a 99 Oldsmobile Aurora are located on the AC unit. This unit is located between the engine block and the back firewall of the vehicle under the hood. The service port is typically the largest port on the back of the AC unit.
Most of the relays for the 1997 Oldsmobile Aurora are under the back seat on the drivers side.
under dash on passenger side
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.
It is on the passenger side, right above the headlight.
For a 1995 Oldsmobile Aurora the OBD interface is located under the dash board on the drivers side almost directly below the steering column.
On my 1998 Aurora with a 4.0L V8, the water pump is on the driver's side of the engine. It is right at the top of the engine.
The 1995 Oldsmobile Aurora blower motor relay switch is located beneath the dashboard on the passenger side. The blower motor relay switch should be labeled as such.
passenger side down low under/beside the motor
under the rear passeger side floor outside
On my 1998 Aurora with a 4.0L V8, the water pump is on the driver's side of the engine. It is right at the top of the engine.
The 2001 Oldsmobile Aurora smog pump can be found on the left-hand side of the engine. The smog pump will be near the exhaust manifold.
Right in front of and slightly to the side of Throttle body