5W30 is what the manual states. No variation for weather/temperature conditions are listed, though many backyard mechanics have told me that 10W30 is "just fine" or better in cold weather.
Says it on the oil cap.
Yes.
Yes. '99-'01 same
marks timing chain 99 Malibu 2.4
Dextron III automatic, transaxle fluid. good-day !
Yes. '97-'05 the same.
lewis.grasch@yahoo.com
the thermostat is in the coolant cap
1999 Chevrolet Malibu, Curb weight, 3,055 to 3,077 lbs.
Under the hood on the evaporator case.
yes, same motor
R134a