EGR Cooler Pressure Tester to Diagnose Isuzu Diesel Engine EGR Cooler Leaks – Isuzu GMC and Chevrolet

2020 Isuzu NPR-HD

NHTSA ID Number: 10186932 Manufacturer Communication Number: SB09-J-002F Summary AN EGR COOLER TESTER WAS PROVIDED TO DEALERS IN JUNE 2009 TO DIAGNOSE EGR COOLER LEAKS ON ALL ISUZUeBay DIESEL ENGINES EQUIPPED WITH AN EGR COOLER. THIS TESTER CONSISTS OF A PRESSURE REGULATOR ASSEMBLY J-46091-1 AND ADAPTERS EN-48974-5, EN-48974-15, AND EN-48974-30. IMPORTANT: LEAKS FROM THE EGR COOLER MAY … Read more

Erratic Speedometer Operation Or Speedometer Needle Shakes Above 60 MPH – 2003-2008 Isuzu Ascender

TSB SB07-04-S003 Issue Date: December 2007   Erratic Speedometer Operation Or Speedometer Needle Shakes Above 60 MPH   Affected Vehicles 2003-2008 IsuzueBay Ascender with 4.2L Engine Only   Service Information Condition: Some customers may comment on erratic operation of the speedometer. Others may comment that the speedometer needle shakes above 96 km/h (60 mph).   … Read more