1991 CHEVROLET B7 TSBs (3)

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:: 666307
Component:: 071000 fuel system, gasoline:storage
Summary:: Diesel engine - engine low power in cold weather (replace primary fuel filter). *tw
Bulletin:: 030232044
Component:: 010000 steering
Summary:: Effect of steering box limiter adjustment on turning radius and possibility of power steering system damage due to improper adjustment. various 1990-2004 models. *tt