1999 GMC W4500 TSBs (5)

Bulletin:: 98024
Component:: 073000 fuel system, gasoline:fuel injection system
Summary:: Exhibiting a condition in which the four fuel injection timing gear bolts may loosen or fatigue due to the torque of the crankshaft. *tt
Bulletin:: 00075
Component:: 103100 power train:automatic transmission:control module (tcm, pcm)
Summary:: Some vehicles may exhibit a condition where the transmission control module (tcm) may exhibit a logic error. *tt
Bulletin:: 00141
Component:: 103100 power train:automatic transmission:control module (tcm, pcm)
Summary:: Some vehicles may exhibit a condition where the transmission control module (tcm) may exhibit a logic error. this tcm logic error can, under certain operating conditions, prevent transmission torque converter lockup and lessen the exhaust
Bulletin:: 00075
Component:: 103100 power train:automatic transmission:control module (tcm, pcm)
Summary:: Some vehicles may exhibit a condition where the transmission control module (tcm) may exhibit a logic error. *tt
Bulletin:: 04029
Component:: 063000 engine and engine cooling:exhaust system
Summary:: The exhaust valve stem may become deformed which could lead to valve train clatter noise. customer satisfaction program. *tt