Toyota 15100-62050 Pump Assembly, Oil

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To remove the drivebelts and the idler pulley from the front of the engine, first take off the oil pan, which is necessary only if the pressure relief valve is being removed. Next, remove the crankshaft pulley and, if applicable, the timing chain cover. Detach the oil pump body from the timing cover by removing the nine screws, then clean all traces of sealant and old gasket material from the pump body and timing cover, ensuring the mating surfaces are clean. Lift out the drive and driven rotors, and remove the oil pressure relief valve snap-ring retainer, spring, and piston located on the side of the cover. Clean all components with solvent and inspect them for wear and damage, checking the oil pressure relief valve piston sliding surface and valve spring, replacing them as a set if damaged. Measure the driven rotor-to-body clearance, rotor-to-cover clearance, and drive rotor tip clearance with a feeler gauge, replacing the rotors as a set if any clearance is excessive, and if necessary, replace the oil pump body. For installation, lubricate the drive and driven rotors with clean engine oil and place them in the pump body, packing the pump cavities with petroleum jelly to help prime the pump when the engine starts. Install a new O-ring in the timing cover groove and attach the pump, tightening the screws to the specified torque. Lubricate the oil pressure relief valve piston with clean engine oil and reinstall the valve components in the pump body. If the timing cover was removed, place a new gasket on the engine block, then install the timing cover onto the engine block, ensuring the oil pump drive gear engages with the crankshaft gear. Reinstall the remaining parts in reverse order of removal, add oil and coolant if the timing cover was removed, start the engine, and check for oil pressure and leaks.

Remove the timing belt and lower timing belt idler pulley.

Clean off all traces of sealant and old gasket material from the pump body and timing cover, then clean the mating surfaces with lacquer thinner or acetone.

Check the clearance of the following components with a feeler gauge and compare the measurements to this Chapter's Specifications: - a) Driven rotor-to-oil pump body - b) Rotor side clearance - c) Rotor tip clearance.

15100 is an assembly 15101 ft housing look at the diagram to get a better idea