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

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