2005 ISUZU NPR HD TSBs (3)

Bulletin:: IB-09-J-003
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Isuzu/chevrolet/gmc: see document search button for owner letter. the following table contains many possible causes for the following symptoms. hard start/no start; rough, misfire, unstable or incorrect idle; surges, lack of power, hesi
Bulletin:: SB-12-J-005
Component:: 060000 engine (pws)
Summary:: Isuzu (chevrolet/gmc): trucks with diesel engine would have idle vibration, trouble starting, engine not revving up, and a lack of power due to possible operation condition of suction control valve (scv)/fuel rail pressure (frp) regulator
Bulletin:: IB-14-X-001
Component:: 060000 engine and engine cooling
Summary:: Isuzu: information regarding corrosion inhibitor improvement that changes color of coolant to a dark color and is added at port to both radiator and surge tank. *pe