DOT 4 has a higher boiling point than the similar glycol-based DOT 3 fluid, but for a daily driver vehicle such as the cobalt, DOT 3 will suffice.
MAKE SURE YOU DO NOT MIX DOT 3 WITH DOT 4.
There are many places where one can find information on a 2005 Chevrolet Cobalt. One can find information on a 2005 Chevrolet Cobalt at popular on the web sources such as Edmunds and AOL Autos.
You don't... it has electronic power steering. No fluid except lubrication in the actual steering column.
The Chevrolet Cobalt was introduced in 2004 for the 2005 model year. As of June 2010, no more Cobalts were in production and it was replaced by the Chevrolet Cruze.
The 2005 Cobalt has an electrical steering system. There is no power steering fluid used. The steering column has lubrication points.
There is no specified time to replace the brake fluid of any vehicle, as long as you keep it topped up. Brake fluid does not 'wear out'. I have replaced the entire brake fluid on only a few occasions, and always only because I have been replacing seals or brake cylinders and it made sense to replace fluid then, before bleeding the system.
You may have to change the sensor, it's a $9.00 part at autozone.
It has no stick.
The first Chevrolet Cobalt SS was released in 2005. Chevrolet continued to produce the Cobalt SS until 2010. The Cobalt SS came in two styles, the 2 door coupe, and the 4 door sedan.
DOT ( 3 ) brake fluid
Chevrolet Cavaliers were last made in 2005 where the new Chevrolet Cobalt took its place
A thermostat housing, for a 2005 Chevrolet cobalt, can be obtained from most auto-parts stores. Many libraries have mechanical books with the pictures.
The throttle position sensor is in the throttle body.