on 2000 3.1 it is on passengers side between engine and firewall,about 1 foot down..
Did this to my 98 Malibu v6, the low pressure valve is on line beside fire wall behind engine, it has blue protective cap on it. high pressure valve you would not use has red cap on it located beside radiator/condenser. You don't say what year your Malibu is so this may not apply to you if your unit uses the R12 refrigerant.
The 2003 Chevrolet Malibu PCM valve can be found on the firewall in the engine compartment. The PCM valve will be on the passenger side of the firewall.
You did not say what size engine but in most cases the PCV valve is in the valve cover.
It don't have a low pressure valve. the high pressuer sensor is in the high pressure line next to the raditor. It don't have a low pressure valve. the high pressuer sensor is in the high pressure line next to the raditor.
NO it can not as there is a check valve located in the filler neck.
It is just below the lower radiator hose.
The 1999 Chevy Malibu with the 2.4 engine does not use a PVC valve. Instead the system uses an oil/air separator that can clog up and cause the same symptoms.
It is on the low side line as it runs across the firewall under the hood, between the engine and the firewall, generally closer to the passenger side of the vehicle.
Where is front expansion valve for chevy suburban 1997
If it has one, it will be located on the fuel rail.
Is it inside the engine it self on top
The relief valve is part of the oil pump.