Mopar 53021622BF Pump-Engine Oil

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It is necessary that one should not at all remove the relief valve for oil pressure, spring and plunger from oil pump. Replace the entire oil pump as a unit in case its pressure relief valve is damaged. REMOVAL: Remove timing belt and crankshaft sprocket. Take out the oil pan. Remove the pick-up tube of the oil pump. Then, pull off the block bolts for the oil-pump-to-block and take out the pump from there. INSPECTION: Unbolt back cover of oil pump housing. Remove inner and outer rotors from body of the oil pump observing their installed directions so that they can be rearranged correctly. In solvent clean all parts thoroughly carefully inspecting rotors, pump cover, and oil pump housing for nicks, scratches or burrs.Replacement is required if any part of it is broken.Measure warpage of an oil pump cover using feeler gauge.If it exceeds limit then you have to replace a turbine.Measure thickness and diameter of outer rotor.If either value is less than this value then change turbine can be done.Find thickness of an inner rotor.If measurement is less than this value then turbine can be replaced.Then put external rotor into housing right after examine clearance between housing and rotor's opposite side with your finger.If this gap exceeds maximum allowed clearances then it could be replaced.Turn on crankshaft until flats align with flats on rotor.Continue installation by placing gasket onto engine block mating surface followed by putting those flats in position where they face each other.The torque applied on these blocks should make sure that they are tight enough.The rest part consists in reversing what has been removed previously.

Disconnect the cable from the negative side of the battery terminal to remove the oil pump. Then, lift the front part of your car and firmly support it on jackstands. After that, drain the engine oil and remove lower splash shield together with skid plate. Proceed by taking out upper as well as lower oil pans. Pick up tube and solenoid electrical connector need to be disconnected for oil pump. The next step is to remove chain tensioner before reaching for timing gear splash shield of oil pump. At this point, make marks on chain and oil pump gear. Lose T45 Torx mounting bolt while holding onto an oil pump gear. Next, let spring go off then take out tensioner from housing of an oil pump. To sum up on this section, take off mounting bolts that fixture as well as the whole pumper device itself in addition to many others.Inspecting whether any damage or warpage occurred involves cleaning all parts thoroughly while doing so. It is also important to determine rotor thickness along with clearance between rotor and its housing in order to ascertain right measurements during installation process. Simultaneously, measure gap present within inner plus outer rotors' lobes working towards evaluation of their position now that measuring becomes practical here too through utilizing precise caliper values hence defying approximate values like never before! When any measurement exceeds what should be at its best reference point then replace which one has came with a new better one.For putting back the machine into operation fix it by using aligning dowels as well as fastening screws according to where you want these things positioned including tightening them too when necessary; just put everything back into place starting right from this very end toward replacing engine's position inside block meanwhile insert piston rod being held on one side only since there's another bar inserted throughout opening which is located in cylinder head at an angle against crankshaft turns.At long last, complete the installation process in reverse whatever was done earlier on while refilling engine to full capacity with oil and replacing filters in-between.

To install the oil pump, position it on the engine and ensure that the pump rotor is aligned with the crankshaft drive. Then, install the oil pump mounting bolts and tighten them to the specified torque. Install a new O-ring onto the oil pump pick-up tube, connect the tube to the pump, and tighten the bolt to the specified torque. The remainder of the installation is the reverse of removal.

Install a new O-ring onto the oil pump pick-up tube, connect the tube to the pump, and tighten the bolt to the torque.

Prime the pump by packing it with petroleum jelly.

Do not remove the oil pressure relief valve, spring, and plunger from the oil pump. Replace the oil pump as one complete assembly if the oil pressure relief valve is damaged.

After installing the oil pump, fill the crankcase with the proper type and quantity of engine oil, change the oil filter, and refill the cooling system. Finally, run the engine and check for oil pressure and leaks.

You should consult with a dealer parts department or other qualified automotive repair facility for the correct oil pump.

The remaining components are installed in reverse order of removal, followed by refilling the engine with oil and changing the oil filter.

Position the pump on the engine, ensuring the pump rotor is aligned with the crankshaft drive, then install and tighten the oil pump mounting bolts.

Install the pump cover and tighten the bolts to the specified torque.

Next, drain the cooling system.

Pack the rotor cavities with petroleum jelly, then assemble the pump and tighten all fasteners to the specified torque.

Install the dial indicator tip against one of the teeth on the idler gear and twist the idler gear back and forth.

Remove the screws holding the front cover on the oil pump housing and clean all components with solvent.

Measure the backlash between the gears using a dial indicator.

Position the pump on the engine and make sure the pump rotor is aligned with the crankshaft drive.

After installing the oil pump, complete the installation process in reverse order, including refilling the engine with oil and changing the oil filter.

The oil pressure relief valve must not be removed from the oil pump housing on this engine.

Remove the back plate of the oil pump assembly.

Use a feeler gauge and a micrometer or dial caliper to measure the clearance and compare it to the specifications.

Tighten the oil pump/primary timing chain tensioner bolts to the specified torque.

To remove the oil pump, follow these steps: Disconnect the oil pump pick-up tube and solenoid electrical connector. Remove the oil pump timing gear splash shield and press the oil pump chain tensioner away from the chain. Make reference marks on the chain and oil pump gear. Hold the oil pump gear and remove the T45 Torx mounting bolt. Release the tensioner and remove the spring and tensioner from the oil pump. Finally, remove the oil pump mounting bolts and the pump itself.

The oil pressure relief valve must not be removed from the oil pump housing on this engine.

The remainder of the installation is the reverse of the removal process.

Position the pump on the engine and make sure the pump rotor is aligned with the crankshaft drive.

Removal of the relief valve and spring from the oil pump housing will damage the oil pump and require replacement of the entire oil pump assembly.

Before removing the oil pump, you should start by disconnecting the cable from the negative terminal of the battery. Then, raise the front of the vehicle and support it securely on jackstands. Additionally, drain the engine oil and remove the skid plate and lower splash shield.

Before removing the oil pump, you should start by disconnecting the cable from the negative terminal of the battery. Then, raise the front of the vehicle and support it securely on jackstands. Additionally, drain the engine oil and remove the skid plate and lower splash shield.

Remove the gear housing cover.

Fill the pump cavity with engine oil and reinstall the back cover, then install the pump assembly in the gear case and tighten the mounting bolts to the torque.

Remove the oil pressure regulator cap, washer, spring, and valve, and check the oil pressure relief valve sliding surface and valve spring; if either is damaged, replace them as a set.