1993 GMC P SERIES TSBs (9)

Bulletin:
476149
Component:
980000 unknown or other
Summary:
oil pressure gauge reading concerns. *tw
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:
376105
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
cold engine knock. *tw
Bulletin:
523201
Component:
010000 steering
Summary:
steering wander or steering pull (set correct component specifications and load vehicle properly). *sd
Bulletin:
666309
Component:
072100 fuel system, gasoline:delivery:fuel pump
Summary:
Engine hard to start (replace fuel pump pulsator). *tw
Bulletin:
98831110
Component:
063000 engine and engine cooling:exhaust system
Summary:
Vehicles with 6.0l and 7.0l engines (vins p, m - rpos ls0, lr0) may exhibit engine exhaust noise which is loudest during cold engine operation. *yc
Bulletin:
9802676121B
Component:
061000 engine and engine cooling:engine
Summary:
Comments on engine exhaust noise which is normally loudest during cold engine operation. *yc
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
Bulletin:
000601023A
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Information used when diagnosing noise conditions such as engine rattle noise, spark knock at 2000 - 2500 rpm range, under a moderate to heavy load with a warmed up engine. *tt

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