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Engine description : The 2VZ–FE engine is a V–6, 2.5 liter, DOHC 24–valve engine. The 2VZ–FE engine has 6 cylinder in a V arrangement at a bank angle of 60°. From the front of the RH bank cylinders are numbered 1 – 3 – 5, and from the front of the LH bank cylinders are numbered 2 – 4 – 6. The crankshaft is supported by 4 bearings inside the crankcase. These bearings are made of copper and lead alloy. The RH and LH intake camshafts are driven by a single timing belt, and a gear on the intake camshaft engages with a gear on the exhaust camshaft to drive it. The camshaft journal is supported at 5 (intake) or 4 (exhaust) places between the valve lifters of each cylinder and on the front end of the cylinder head. Lubrication of the cam journals and gears is accomplished by oil being supplied through the oiler port in the center of the camshaft. Adjustment of the valve clearance is done by means of an outer shim type system, in which valve adjusting shims are located above the valve lifters. This permits replacement of the shims without removal of the camshafts. Recommend tools for engine repair. Engine tune up, inspection of engine coolant, inspection of engine oil, inspection of battery, inspection of air filter, inspection of high-tension cords, inspection of drive belts, remove cylinder heads cover : Turn the crankshaft pulley, and align its groove with the timing mark “0” of the No.1 timing belt cover. Check only those valves indicated in the figure, Using a feeler gauge, measure the clearance between the valve lifter and camshaft. Record out of specification valve clearance measurements. They will be used later to determine the required replacement adjusting shim. Turn the crankshaft further 2/3 of a revolution (240°), and check only the valves indicated in the figure. Measure the valve clearance. Adjusting Shim Selection Using Chart. Troubleshooting If the HC/CO concentration does not comply with regulations, perform troubleshooting in the order given below. This download file in zip format, extract it you’ll get 3 pdf files, engine mechanical, wiring diagram and automatic transmission.
Tags : crankshaft pulley, intake camshafts, valve lifters, valve lifter, engine coolant, feeler gauge, toyota lexus, drive belts, oil inspection, fe engine, valve clearance, bank angle, engine description, engine tune, high tension
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