Mabual Repair Chevrolet Monza 90

Friends please help me with the monza repair manual in Spanish, I need to fix the air of my monza I want to leave it original, beforehand I thank you with everything they love me and can help me.
As I said I need to repair the air that does not want to work or if anyone knows how they are agla, I thank you for a thousand and a thousand grc.