There is no diagram but Haynes Manuals has a how to book that you can buy from a parts store or a bookstore.
door latch diagram for 2000 Chevrolet silverado
map sensor 2000 malibu location
I doubt it very much as they change engine specs every year.
5w-30w is best.
Diagram of what component.
A 2000 Chevy Malibu 3.1L requires 4.5 quarts of oil.
auto zone or advanced auto have haynes manuals,they cover all from ground up!! but get the correct manual for your car.there about 20.00,
Push and hold the HR or the MIN buttons
It is on the acumulator.
Your best bet is an automotive paint store.
I know I saw a routing diagram in the engine compartment of my 2000 Chevy Malibu. Yours should have it too unless too worn. I think it is near the belts/front of car.
You will have to call the Chevrolet dealership and give them your vehicle identification number. They will get the code from their computer.