ENGINE 3GR-FSE LUBRICATION EG 109 3GR-FSE LUBRICATION. General. A full-pumping, full-filtering lubrication system is used.

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1 EG 109 General A full-pumping, full-filtering lubrication system is used.

2 EG 110 ENGINE Camshaft Timing OCV To VVT-i Controller Oil Delivery Pipe Cam Journal Lash Adjuster Chain Tebsioner Oil Check Valve Cnnecting Rod Main Oil Hole Oil Straner 2WD 4WD Main Oil Hole Cylinder Block Cylinderhead(Right Bank Left Bank) Crank Journal Cam Journal Lash Adjuster OCV Relief Valve Crank Pin Secondary Chain Tebsioner Main Chain Tebsioner VVT-i Oil Straner Cnnecting Rod Oil Pan A P The oil pump consists of a compact, highly efficient, and multiple-teeth cycloid rotor that is driven directly by the crankshaft. The drive rotor is a flangeless type, which enables the use of a driven rotor with a small diameter, thus reducing friction. An internal oil relief system is used to circulate the relief oil through the suction passage in the oil pump. This suppresses the oil level fluc-

3 EG 111 tuations in the oil pan, reduces friction, and reduces the rate of mixing air bubbles in the oil. Multiple-Teeth Cycloid Meter To CylinderBlock Relief Valve To From Oil Strainer The oil passage in an oil pump A P Pump Speed [rpm] Discharge Volume [L/min] 6.0 Minimum 89.6 Minimum Discharge Pressure [kpa] Relief Valve Opening Pressure [kpa] 490 A newly developed oil filter with a replaceable element is used. The element uses high-performance filter paper that ensures ample filtering performance, and is made completely burnable. The cap is made of an aluminum alloy for a long life. A drain construction is provided to suppress the splashing of the oil during the replacement of the oil filter element. On the 2WD model, oil can be drained by matching the thread cutout on the cap against the thread cutout on the case. On the 4WD model, in which the oil filter cap faces downward, oil can be drained by removing the drain bolt from the cap and inserting a drain pipe.

4 EG 112 ENGINE Cap Rib Cutout on Cap Replaceable Element Replaceable Element Rib Case Cutout on Cap *To drain oil, turn the cap approximately 4 turns. Match the cutout on the cap against the cutout on the case by using the rib as a reference. Cutout on Case 2WD vehicle Drain construction Drain Pipe Cap 4WD vehicle Drain construction A P Service Tip To replace the oil filter on the 2WD model, turn the cap approximately 4 times, match the thread cutout on the cap against the thread cutout on the case, and drain the oil. To match the cutout on the cap against the cutout on the case, use the rib as a reference. To replace the oil filter on the 4WD model, first remove the drain bolt. Then, insert a drain pipe to drain the engine oil in the oil filter.for details,refer to GS430/300 Repair Manual(Pub. No. rm1167u) Type Full-flow Filtration Area [cm 2 ] 1260 Outer diameter Height [mm] Relief Valve Opening Pressure [kpa] 100 Oil jets are provided in the cylinder block. These jets spray oil into the cylinders to reduce friction and suppress the increase in temperature. As a result, they improve the durability of the pistons and prevent them from knocking. A P

5 EG 113 Oil Level Sensor The oil level sensor consists of a reed switch, which turns ON and OFF with the vertical movement of the float. When the engine oil level decreases, the system informs the driver of it in the following manner. On the multi-information display in the combination meter, a warning appears on the multi-information display.in addition, the system is provided with a 40-second delay circuit to prevent the display from indicating improperly as a result of biased behavior of the oil while the vehicle is in motion. A warning appears when the float descends as a result of a reduction in the engine oil level (when the reed switch is OFF). Reed Switch Combination Meter Float Multi-Information Display Meter ECU Oil Level Sensor Gateway ECU ECM Junction Box BEAN CAN A P

2AZ-FE ENGINE MECHANICAL

2AZ-FE ENGINE MECHANICAL ENGINE 2Z-FE ENGINE MECHNICL EG-33 2Z-FE ENGINE MECHNICL ENGINE COVER The engine cover is made of nylon resin, and sound insulation material (urethane foam) is placed between the engine cover and the cylinder