I'm not sure if this has been posted, but the link below is for an online tech newsletter in .pdf format that gm techs use for up-to-date information, problems and answers w/ all GM cars and trucks.
They also have an archive of all the monthly newsletters.
Enjoy!
http://service.gm.com:8083/techlink/html_en/
They also have an archive of all the monthly newsletters.
Enjoy!
http://service.gm.com:8083/techlink/html_en/