RX300 1999

Oil Pump

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:

    Oil pan
     
    Crankshaft Position (CKP) sensor
     
    9 oil pump bolts
     

  4.  


NOTE
Make a note of the position of the each bolt. When replacing the bolts into the oil pump body, place each bolt in the position from which it was removed.



Oil pump body, by prying between the oil pump and main bearing cap
 
O-ring from the cylinder block
 
Plug, gasket, spring and relief valve from the oil pump body
 
9 screws, pump body cover, drive and driven rotors
 

To install:

  1. Install or connect the following:

    Driven rotors, drive, pump body cover, using the 9 screws
     
    Oil pump relief valve, spring, gasket and the plug to the oil pump body
     
    New O-ring on the cylinder block
     

  2.  
  3. Using a non residue solvent, clean both sealing surfaces to the oil pump.
  4.  
  5. Apply liquid sealant to the oil pump and engine block.
  6.  


    Click image to see an enlarged view

    Fig. Oil pump sealant application

  7. Install or connect the following:

    Oil pump
     

  8.  


NOTE
Be sure to engage the splined teeth of the oil pump drive gear with the large teeth of the crankshaft.



9 oil pump bolts. Tighten the bolts in several passes to 69 inch lbs. (8 Nm), for 10mm; 14 ft. lbs. (20 Nm), for 12mm; 32 ft. lbs. (43 Nm) for 14mm
 
CKP sensor. Tighten the bolt to 69 inch lbs. (8 Nm).
 
Baffle plate to the No. oil pan. Tighten to 69 inch lbs. (8 Nm).
 
No. 1 oil pan, oil strainer and No. 2 oil pan
 

  1. Refill the engine with oil.
  2.  
  3. Start the engine and inspect for leaks.
  4.  
  5. Recheck the engine oil level.
  6.  

 
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