Isuzu Turbo Diagnostic Tips

Model Year Trucks 2007-2010 Isuzu N-Seines and GMC W-Series Diesel Engine 5.2L (4HK1), Equipped with Diesel Particulate Filter 2007-2009 Isuzu F-Series and GMC and Chevy T and C Series Diesel Engine 7.8L (6HK1) Equipped with Diesel Particulate Filter 2011-2015 N-Series Truck Equipped with a 5.2L (4HK) or a 3.0L (4JJ1) Equipped with Diesel Particulate Filter […]

2005 through 2015 Hino models 238, 258, 268, and 338 Equipped with a J08 6 Cylinder Diesel Engine

Hino has a redesigned cylinder head gasket. Customers may complain of an external oil or coolant leak. When diagnosing these trucks pay attention to the cylinder head to engine block mating service. Always perform a pressure test when looking for an external coolant leak. When looking for external coolant leaks under pressure look on the […]


AFFECTED VEHICLES • 2011-2018MY Isuzu N-Series Vehicles Equipped with 5.2L (4HK1) Diesel Engine and Limited Slip Differential (LSD) option code IV0 INFORMATION CONDITION Customers of N-series vehicles may hear an audible clicking or chattering noise coming from the rear of the vehicle while making tight turns. This condition may be due to incorrect axle fluid […]

Mitsubishi Product Enhancement Synthetic Motor Oil/ Lower Viscosity 2012-2016 Model Years

Mitsubishi has recommended to lower oil viscosity to 5w-30 synthetic motor oil with a CJ-4 API certification. CJ-4 oil is designed especially for high speed four stroke cycle diesel engines with 2010 and newer model year on-highway exhaust emissions standards. CJ-4 oil is formulated for use in all applications with diesel fuels ranging in sulfur […]