Toyota Camry 1983-1996 Repair Guide

Oil Pump

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REMOVAL & INSTALLATION



Diesel Engines

See Figures 1 and 2

  1. Remove the oil pan as described earlier in this section.
  2.  
  3. Remove the two nuts, bolts, gasket and oil strainer.
  4.  
  5. Remove the eleven bolts and alternator stay. Tap the oil pump loose from the block with a soft-faced or rubber mallet.
  6.  
  7. Group the bolts according to length and set them aside.
  8.  


WARNING
During removal, be careful not to damage the crankshaft oil seal with the crankshaft Woodruff key. Do not drop the oil pump rotor.

  1. Remove the O-ring seal from the oil pump groove and purchase a new one.
  2.  

To install:
  1. With a gasket scraper or wire brush, remove the old packing material from the oil pump and cylinder block contact surfaces.
  2.  
  3. Place a new O-ring seal into the oil pump groove.
  4.  
  5. Apply No. 102 packing sealant to the oil pump body indicated by the dotted line on the accompanying figure.
  6.  



Click image to see an enlarged view

Fig. Fig. 1: Apply sealant on the oil pump only on the dotted area

There are three different size oil pump mounting bolts-20mm, 30mm and 32mm. Make sure the bolts are installed in their proper locations (use the figure as a guide).



Click image to see an enlarged view

Fig. Fig. 2: Oil pump mounting bolt locations

  1. Attach the oil pump and alternator stay to the block with the bolts. Tighten the bolts to 13 ft. lbs. (18 Nm).
  2.  
  3. Install the strainer with the two bolts, two nuts and new gasket. Tighten the bolts to 9 ft. lbs. (13 Nm) and the nuts to 5 ft. lbs. (9 Nm).
  4.  
  5. Install the oil pan and refill the engine oil.
  6.  
  7. Start the engine and inspect for leaks.
  8.  
  9. Recheck the engine oil level.
  10.  

Gasoline Engines
EXCEPT 1MZ-FE ENGINES

See Figures 3 and 4

  1. Remove the oil pan as described earlier in this section.
  2.  
  3. Remove the oil pan baffle plate.
  4.  
  5. Remove the oil strainer and O-ring.
  6.  
  7. Remove the timing belt. On V6 engines, remove the No. 1 idler and the crankshaft timing pulleys.
  8.  
  9. On the V6, remove the alternator and the A/C compressor. Also, remove the compressor bracket and the power steering pump adjusting bar.
  10.  
  11. Remove the twelve (nine on V6) oil pump retaining bolts.
  12.  
  13. With a soft-faced hammer or rubber mallet, tap the oil pump loose from the block.
  14.  
  15. Remove the oil pump gasket and replace a new one.
  16.  

To install:
  1. Clean the cylinder block and oil pump gasket contact surfaces.
  2.  
  3. Place a new gasket onto the cylinder block on 4 cyl. engines. On the V6, draw a 2-3mm bead of seal packing as shown in the illustration.
  4.  



Click image to see an enlarged view

Fig. Fig. 3: Apply sealant only in the locations marked

  1. Position the oil pump onto the block and install the bolts. On the V6 engines, insert a new O-ring and then engage the spline teeth on the drive gear with the large teeth on the end of the crankshaft.
  2.  
  3. Tighten the oil pump mounting bolts to 7 ft. lbs. (9 Nm) on 4 cyl. engines; the bottom two bolts are the long ones. On the V6, tighten the 12mm bolts (C and D) to 14 ft. lbs. (20 Nm) and the 14mm bolts (A and B) to 30 ft. lbs. (41 Nm).
  4.  



Click image to see an enlarged view

Fig. Fig. 4: Oil pump mounting bolt locations

  1. On the V6, install the power steering belt adjusting bar, the A/C compressor bracket and the alternator.
  2.  
  3. Install the timing belt. Don't forget the No. 1 idler and crankshaft pulleys on V6 engines.
  4.  
  5. Install the baffle plate on engines so equipped.
  6.  
  7. Place a new O-ring on the strainer pipe outlet and install the strainer. Tighten the four bolts on 4 cyl. engines to 4 ft. lbs. (6 Nm). On V6 engines, tighten the bolt and two nuts to 61 inch lbs. (7 Nm).
  8.  
  9. Install the oil pan and refill the engine oil.
  10.  
  11. Start the engine and inspect for leaks.
  12.  
  13. Recheck the engine oil level.
  14.  

1MZ-FE ENGINES
  1. Remove the oil pan.
  2.  
  3. Remove the crankshaft position sensor by removing the connector and bolt.
  4.  
  5. On the oil pump, remove the nine bolts. 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.
  6.  
  7. Remove the oil pump body by prying between the oil pump and main bearing cap.
  8.  
  9. Remove the O-ring from the cylinder block.
  10.  
  11. Remove the plug, gasket, spring, and relief valve from the oil pump body.
  12.  
  13. Remove the nine screws, pump body cover, drive, and driven rotors.
  14.  

To install:
  1. Install the driven rotors, drive, pump body cover, and then install the nine screws.
  2.  
  3. Install the oil pump relief valve, spring, gasket, and the plug to the oil pump body.
  4.  
  5. Place a new O-ring on the cylinder block.
  6.  
  7. Using a non residue solvent, clean both sealing surfaces to the oil pump.
  8.  
  9. Apply liquid sealant to the oil pump and engine block.
  10.  
  11. Install the oil pump to the engine block. Make sure to engage the spline teeth of the oil pump drive gear with the large teeth of the crankshaft.
  12.  
  13. Install the nine bolts to the oil pump and uniformly tighten the bolts in several passes. Tighten the bolts as follows:

    10mm head-69 inch lbs. (8 Nm)
     
    12mm head-14 ft. lbs. (20 Nm)
     

  14.  
  15. Install the crankshaft position sensor and install the bolt. Tighten the bolt to 69 inch lbs. (8 Nm).
  16.  
  17. Install the baffle plate to the No. oil pan and tighten to 69 inch lbs. (8 Nm).
  18.  
  19. Install the No. 1 oil pan, oil strainer and No. 2 oil pan.
  20.  
  21. Refill the engine with oil.
  22.  
  23. Start the engine and inspect for leaks.
  24.  
  25. Recheck the engine oil level.
  26.  

 
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