Inside the frame rail on the drivers side aprox under the drivers seat.
what engine?
The fuel filter is located inside the tank.
the pcv vaule should be located on the driverside of the vavle cover gasket goin into the air filter housing.
In the air filter box
The fuel filter is located on the drivers side under but close to the air filter and the brake master cylinder.
The 2001 Chevrolet Blazer doesn't have a cabin filter.
5 QTS. with new filter
Purchase a Purolator Cabin Filter. It comes with complete instructions.
it is under vehicle in front of gas tank.
Drivers side of motor under the manifold.
The fuel filter for your Santafe is located in the fuel tank. Hope this answers your question on this subject.
The filter should be on the inside of the driver side frame rail about in the middle of the vehicle.