1999 CHEVROLET MEDIUM DUTY TSBs (5)

Bulletin:: 200900
Component:: 036400 service brakes, hydraulic:antilock:abs warning light
Summary:: This subject involves 1990 through 2000 model year medium duty vehicles with anti-lock brake system (abs) exhibiting a red primary brake light on after the installation of a service (abs) anti-lock brake system module. *tt
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:: 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:: 00064H
Component:: 072100 fuel system, gasoline:delivery:fuel pump
Summary:: Diesel-fuel injection pump failure replace. *lj