This test checks for problems regarding fuel quality. Refer to Diesel Fuels and Your Engine, SEBD0717 for additional details. Use the following procedure to test…

Table 1 Needed Tools A 9S-9082 Engine Turning Tool B 5P-7305 Engine Turning Tool C 5P-7306 Shaft Housing The No. 1 piston at top center…

This procedure assists in identifying the cause for an injector misfiring. Perform this procedure only after performing the Cylinder Cutout Test. Refer to Troubleshooting for…

Table 1 Required Tools Part Number Part Name Quantity 9U-7227 Injector Height Gauge 1 Illustration 1 g01332476 Injector Mechanism (Typical example) (1) Rocker arm (2)…

Introduction This procedure checks for air in the fuel. This procedure also assists in finding the source of the air. Required Tools Table 1 Required…

A problem with the components that send fuel to the engine can cause low fuel pressure. This can decrease engine performance.   Check the fuel…

Reference Refer to the electrical system schematic in Electrical Schematic for the complete electrical system schematic of the 3406E and of the 3456. Refer to…

This engine has a pressure type cooling system that is equipped with a shunt line. A pressure type cooling system gives two advantages. First, the…

Lubrication System Components Illustration 1 g00562119 Lubrication system components (typical example) (1) Oil supply line (2) Oil return line (3) Oil cooler (4) Oil filter…

Illustration 1 g00451885 Air inlet and exhaust system schematic (1) Inlet manifold (2) Aftercooler core (3) Inlet air line (4) Exhaust outlet from turbocharger (5)…