9999 GMC SCHOOL BUS SERIES TSBs (3)

Bulletin:: 191000
Component:: 161000 structure:frame and members
Summary:: This issue involves the visible nature of the frame rail inner edges on 1999 through 2001 medium-duty conventional cab, tilt cabs, and school bus vehicles. these frame rails indicate that there is a tearing effect at the frame rail flang
Bulletin:: SB-03-07-29-004K
Component:: 102000 power train:manual transmission
Summary:: This informational bulletin provide information on the operating characteristics of a manual transmission.
Bulletin:: PI-0281-E
Component:: 161100 structure: frame and members:underbody shields
Summary:: This preliminary informational bulletin provides information that may be helpful when addressing underbody component corrosion with customers.