Category Archives: FUSO 4M4

Installation: Oil cooler • Clean the oil filter mounting surface of the oil cooler. • Apply a thin coat of engine oil on the oil filter gasket. • Screw in the oil filter by hand until the gasket touches the oil cooler. Then, tighten the filter by turning further by five eighths (5/8) of a… Read More »

Inspection: Oil cooler element • Plug the outlet of the oil cooler element and connect a hose to the engine oil inlet port. Then, immerse the oil cooler element in a tank of water. • Apply an air pressure of 1.47 MPa {15 kgf/cm2} for 15 seconds through the hose, and check for any air… Read More »

Removal: Oil filter

Inspection: Driven gear, drive gear and gear and case • Carry out the following inspection. Replace the oil pump if any defects are found. (1) Sinkage of each gear from gear and case end surface (2) Gear and case-to-tooth tip clearance for each gear Inspection: Oil pump cover, driven gear, and gear and case •… Read More »

Installation: Oil pan • Clean the sealant application surfaces of each part. • Apply a bead of sealant to each of the mating surfaces of the timing gear case, lower crankcase and front plate (at the two locations indicated in the illustration). • Clean the mating surfaces of each part. • Apply a bead of… Read More »

• Perform the inspection on a flat surface. • Warm up the engine until the water temperature gauge points to the median. • Check the oil level 30 minutes after the engine was stopped. If the oil level is checked about 10 minutes after engine stop, if appears 2 to 5 mm lower than the… Read More »