Question 1

How to remove, inspect, and insatall the oil pump on V6 Hyundai Santa Fe?

Accepted Answer

To remove the oil pump from 2.7L and 3.5L engines (2007 and earlier), first disconnect the cable from the negative battery terminal, then remove the timing belt, oil filter, oil filter bracket with its gasket, crankshaft sprocket, oil pressure relief plug along with the spring and valve plunger, and finally the oil pump case from the front of the engine. Next, take off the cover from the oil pump and remove the pump rotors, ensuring to clean all traces of sealant and old gasket material from the pump body and engine block. For 3.3L and 3.5L engines (2010 and later), raise the vehicle securely on jackstands, remove the oil pan, oil pump chain cover, and oil pump sprocket/chain assembly before taking out the oil pump, which is typically serviced as a unit. For inspection of the 2.7L and 3.5L engines (2007 and earlier), clean all components with solvent and inspect for wear and damage, checking the oil pressure relief valve sliding surface and valve spring, replacing them as a set if damaged, and measure clearances of various components with a feeler gauge. If any issues are suspected with the oil pump in the 3.3L and 3.5L engines (2010 and later), replace it with a new one. For installation, pry out the old crankshaft seal, apply grease or engine oil to the new seal, and drive it into place. Place the drive and driven rotors into the pump body, pack the pump cavities with petroleum jelly, and install the cover with a new gasket or RTV sealant, tightening screws in a criss-cross pattern to the specified torque. Lubricate the oil pressure relief valve with engine oil and install it in the pump body, clean the case gasket surfaces, and install the oil pump case with a new gasket, tightening the mounting bolts in a criss-cross pattern. Replace the oil pump O-ring and tighten the bolts, then replace the drive chain and sprocket, tightening the bolt to the specified torque. Finally, reinstall the remaining parts in reverse order, add oil, start the engine to check for oil pressure and leaks, and recheck the engine oil level.

Question 2

How to remove, inspect, and insatall the oil pump on V6 Hyundai Sonata?

Accepted Answer

For removing the oil pump on 2.5L and 2.7L engines, it is required to loose the power supply by disconnecting the cable of the battery's negative terminal, proceed with the removal of timing belt, the oil filter, the oil filter bracket and gasket, the crankshaft sprocket, the oil pressure relief plug including the spring and valve plunger, and lastly, the oil pump case lying at the Subsequently, the cover of the oil pump should be unbolted and hence, removing the installer and outer gears as well as the pump rotors. That is why the body of the pump and the surface of the block of spare engines should be absolutely clean. For the 3.3L engine, secure the vehicle on jackstands, refer to the engine oil pan removal section and proceed to also remove the oil pump chain cover and the oil pump sprocket so as to remove the oil pump as a unit. Visually and by touch examine all the components for signs of wear and damage, paying special attention to the oil pressure relief valve and to the spring that goes with it should they need to be replaced, it is recommended that both are replaced simultaneously. You should then use dial indicators or other appropriate tools to measure the clearances of the driven rotor-to-body, rotor side, and rotor tip. In the case of each car with a 3.3L engine, if there are problems expected with the oil pump, change the pump. When installing the crankshaft seals on the 2.5L and 2.7L engines pry out the old one apply grease or oil to the new one than drive it in. Insert the driven and drive rotors into the body of the pump, fill the empty spaces with the petroleum jelly and place the cover that needs a new gasket or RTV sealant; fasten it by tightening the screws in a crosswise manner. Hell with the oil pressure relief valve and place it in the position of the engine case, then clean the cover of the case gasket and place the oil pump case on it, using a new gasket, and lock the bolt. For the 3.3 L engine, change the oil pump O-ring and tighten the bolts and also the drive chain sprocket. Reinstall all the remaining parts in a backward manner, install the oil and turn on the engine to check for possible leaking and the engine oil pressure, check the level of the engine oil.

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