If you are replacing the oil pump you will need to, disconnect the battery negative terminal, lift the vehicle, drain the oil, and remove the oil pump. Take No 1 cylinder to TDC with a timing mark on the crankshaft pulley being in line with the mark on the front cover. Take off the necessary accessory drive belts; the crankshaft pulley, and the valve cover, together with
Timing Belt covers. Then, you have to remove
Timing Belt Tensioner, timing belt and timing belt drive pulley, also remove
Oil Pan and oil screen, and at last oil pump mount bolts and Oil pump assembly. For installation, simply, undo the following steps and make the sure the gasket mating surfaces are correctly clean. Before the installation of the oil pump, perform a check on the crankshaft oil seal and if it has developed a problem then should be replaced. Use liquid gasket on the cylinder block mating surface and also put thin coat of oil on the
Crankshaft Seal lips. Insert new O-ring at the cylinder block and at the oil pump and apply liquid gasket at the thread of the oil mounting bolts and tighten to 9 ft. lbs. (12 Nm). Trim the screen and the subsequent oil pan back into position, make certain that the timing belt tension is okay and torque the crankshaft pulley bolt to the correct value. In overhaul of oil pump, the rotor radial clearance, both inner and outer rotors, should be set to 0.14 mm. Loosen the tone wheel lock nut and with feeler gauge identify how much body-to-rotor clearance there is new, and should be 0.10-0.18mm new, service limit 0.200mm. Measure the end play of the rotor between the rotor face and the gasket surface new specification, 0.025-0.100mm NS but with service limit of 0.152mm. If rotors are degraded and they require replacement, they must be replaced with the inner and outer rotors with their punch marks facing upwards. Apply petroleum jelly to the inside and outer surface of the pump cavity, screw in, and replace the assembly in the reverse of the steps above.