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

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