the OBD 2 plug is located on the drivers side of the car should be screwed on the bottom of the dash
The 1999 Chevrolet Cavalier OBD 2 port is under driver side dash below steering column
The drain plug is on the bottom of the radiator. It is on the opposite side from the bottom hose.
.060
0.060
A plug, it is on the D/S of the transmission.
It is located on the bottom right hand side of the radiator.
.40
The oil drain plug on a 2004 Chevrolet Cavalier is located on the bottom of the engine oil pan, which is situated underneath the vehicle. To access it, you'll need to raise the car safely using jack stands or ramps. The plug is typically a hex or square-shaped bolt that requires a wrench for removal to drain the engine oil. Make sure to have a drain pan ready to collect the oil as it drains out.
You do not, this is controlled by the ECM through advance and retard of spark plug spark.
The PCV valve on a 2002 Chevy Cavalier is located on the back of the valve cover. It is a plug in type.
Depending on the plug, it is .050" for most plugs, except for the Denso premium plugs come pregaped at .035"Sparkplugs.com
The transmission drain plug on a 2003 Chevrolet Malibu is located near the fluid level screw. This is directly underneath the manual shaft.