How to remove, inspect, and install the oil pump in V6 engine for the 2003 Toyota Tacoma?

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In removing the oil pan, begin by taking off the timing belt together with the lower timing belt idler pulley and the crankshaft timing sprocket. Subsequently, unbolt the oil pick-up tube and the alternator and unbolt the air conditioning compressor but retain the refrigeration line and then pull the compressor bracket off. Remove the adjusting bar, pry the power steering pump away from the oil pump body, and the remove the lower timing belt idler pulley. Remove the bolts to take the oil pump avay from the engine; use the flat head screw driver in order to pull it out. The O-ring must be taken off and the oil pressure relief valve assembly also removed; the body cover at the rear of the oil pump has large Philips-head screws which when removed, will allow you to lift the cover to reveal the pump rotors. Scrub all parts thoroughly and visually check the internal elements for any possible signs of wear or damage; the oil pressure relief valve and its spring should be replaced if damaged as they are matched. Using a feeler gauge, check end-play of the driven rotor-to-body, rotor side, and rotor tip with reference to the specified numbers. To install, remove the old crankshaft seal and lubricate the new one before fit it into the cover.usually the rattle of a new seal is greased or oiled when purchasing. Insert the drive and driven rotors into the pump body in such a way that the marks are located outside; fill the cavity with petroleum jelly and after that, fix the cover with the screws which should be tightened diagonally. Oil pressure relief valve should be lubricated and other parts related to this valve should be mounted Then gasket surface must be cleaned with acetone or lacquer thinner. Squeeze and apply RTV sealant around the oil pump; make sure the assembly is done in the next five minutes only. Place a new O-ring on the block, lock the oil pump drive rotor to the crank shaft, then locate the pump and snug it into position over the components. Fit the oil pump mounting bolts and tighten the same in a diagonal manner, and use a new gasket to fit the oil pick-up tube and tighten the fasteners. Reinstall all the other parts in reverse, put oil, start the car engine, and inspect the car for loss of oil, or oil leakage, and check the engine oil level again.

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