1991 GMC G SERIES TSBs (10)

Bulletin:
461102
Component:
062000 engine and engine cooling:cooling system
Summary:
insufficient heater performance. *tw
Bulletin:
467108
Component:
103000 power train:automatic transmission
Summary:
transmission extention seal leaks. *tw
Bulletin:
476149
Component:
980000 unknown or other
Summary:
oil pressure gauge reading concerns. *tw
Bulletin:
RCL/91C50
Component:
063100 engine and engine cooling:exhaust system:emission control
Summary:
california recall - general motors has determined that certain 1991 c/k trucks, m/l and g vans with 4.3l engines may be emitting non-methane hydrocarbons in excess of california emission standards. to correct this condition, dealers are t
Bulletin:
376602A
Component:
063200 engine and engine cooling:exhaust system:manifold/header/muffler/tail pipe
Summary:
new cast iron exhaust manifold and stainless steel gasket to correct engine noise condition. *tw
Bulletin:
461506
Component:
171100 latches/locks/linkages:doors:latch
Summary:
rear and side cargo door latch rattles. *tw
Bulletin:
577103
Component:
103000 power train:automatic transmission
Summary:
transmission leak at rear extention housing and prop shaft. *tw
Bulletin:
376105
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
cold engine knock. *tw
Bulletin:
661509A
Component:
162000 structure:body
Summary:
Fiber glass rear fender paint star shaped cracks (install protective liner). *tw
Bulletin:
000604002
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Subject regarding a hard, no start or excessive gray or white smoke condition on start up after recent glow plug replacement. *tt

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