vaz316 here newbie to this forum but frequenter of forabodiesonly however my daily drivers are always chevy and gmc conversion van presently i have a 1990 and a 1993 hitop both mark III been driving chevy vans for my entire driving life of about 40 years and have preformed almost everything you could possibly do to one learned first from haynes manuels and trial and error to today youtube is a fantastic source