Unless you know what you are doing, which you must not or you would not ask the question, take it to a professional. Way too complicated a procedure to post on-line.OK, take it to a professional; If...
All 1997 Chevy Cavlier Z24 (2.4 Litre engine) have a timing chain, that typically never needs to be replaced except in case of engine damage. On this vehicle the timing chain also runs the water pump.
I have an 88 Z24 that has a 91 3.1 V6 put in. The motors are essentially the same. Make sure you follow the list to get everything plugged back in and change the coolant quick connect under the...