2001 CHEVROLET MEDIUM DUTY TSBs (7)

Bulletin:: 010604021
Component:: 063130 engine and engine cooling:exhaust system:emission control:gas recirculation valve (egr valve)
Summary:: Some w series medium duty tilt cab models may experience pcv system freeze-up when operated in extremely cold weather conditions, causing the engine rear main seal to leak. *tt
Bulletin:: 060601
Component:: 980000 unknown or other
Summary:: Information regarding reprogramming of the pcm with 5.7 liter gasoline engines. *slc
Bulletin:: 210901
Component:: 980000 unknown or other
Summary:: Conditions on transmission light illuminating. *slc
Bulletin:: 02047
Component:: 061000 engine and engine cooling:engine
Summary:: Supplement to 03-06-04-002 4hei-tc diesel engine - cold weather no start. also includes 2002, 2003 and 2004 medium duty. *tt
Bulletin:: 3170E
Component:: 121000 exterior lighting:headlights
Summary:: Ipc, interior lights and/or headlamps flicker. *ak fb2
Bulletin:: SB-10-08-50-003B
Component:: 221300 seats:front assembly:head restraint
Summary:: General motors: information provided by bulletin for all 2012 and prior general motor trucks and passenger vehicles regarding the adjustable comfort and custom upholstery of the driver and the passenger head restraint. *pe
Bulletin:: 00064H
Component:: 072100 fuel system, gasoline:delivery:fuel pump
Summary:: Diesel-fuel injection pump failure replace. *lj