i got a 1992 Nissan service manual from Nissan.. the book covers just about everything on the sentra and is about 2 1/2 to 3 inches thick..cost $40 new.. its in very good condition.. i want to sell this book as i dont need it any longer..$10.00 and shipping(about $2.00 depending where its going????) snipped-for-privacy@sprynet.com if you are interested..