2004 GMC Safari Questions

2004 GMC Safari 2004 GMC Safari idles very rough and cannot be driven.ECM has been replaced.	1
2004 GMC Safari Battery runs down if not driven every week. New batteries do not solve problem.	1
2004 GMC Safari replacing rear brake rotor need parking brake "initial" adjustment setting	1
2004 GMC Safari Ignition issue car wont start after being driven a short distance say 15 miles.	1
2004 GMC Safari transmission,slight slip from 1st to 2nd does pretty good from there	2
2004 GMC Safari tension pulley	0
2004 GMC Safari how do i change tension pulley ? does radiator guard have to come out? hvhkgrscy	1
2004 GMC Safari white smoke coming from exhaust smells hot also sounds of like a rubbing noise	0
2004 GMC Safari engine knocking	1