Toyota Celica 1994-1998 Repair Guide

Oil Pump

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REMOVAL & INSTALLATION



The engine must be raised and supported to access the oil pump. A suitable engine hoist must be used.

5S-FE Engine

See Figures 1 and 2

  1. Disconnect the negative battery cable. On vehicles equipped with an air bag, wait at least 90 seconds before proceeding to hinder air bag deployment.
  2.  
  3. Raise and safely support the vehicle.
  4.  
  5. Drain the engine oil and remove the engine undercovers.
  6.  
  7. Remove the front exhaust pipe.
  8.  
  9. Safely support the engine assembly and remove the engine mounting center member.
  10.  
  11. Disconnect the sub oxygen sensor wiring. Remove the RH side exhaust manifold stay, TWC with gasket, retainer, and cushion.
  12.  
  13. Remove the rear end stiffener plate.
  14.  
  15. Remove the oil dipstick and oil pan.
  16.  
  17. Insert the flat-bladed tool between the oil pan and the cylinder block; cut off the applied sealer, separate and remove the oil pan.
  18.  

Do not use the tool for the oil pump body side and rear oil seal retainer.

  1. Remove the oil strainer, baffle plate, and the gasket.
  2.  
  3. Safely support the engine with an engine sling or equivalent.
  4.  
  5. Remove the timing belt.
  6.  
  7. Remove the No. 2 idler pulley and the crankshaft timing pulley.
  8.  
  9. Using a suitable tool, remove the oil pump pulley.
  10.  
  11. Remove the 12 bolts and extract the oil pump and gasket.
  12.  



Click image to see an enlarged view

Fig. Fig. 1: Only remove these 12 bolts when extracting the oil pump-5S-FE engine

To install:
  1. Install the oil pump with a new gasket and the 12 mounting bolts. Uniformly tighten the oil pump bolts in several passes. Install the 12 oil pump mounting bolts and tighten them to 78 inch lbs. (9 Nm). The long bolts are B 1.38 inch (35mm) long and the short bolts are A 0.98 inch (25mm) long.
  2.  



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Fig. Fig. 2: Place each bolt in the correct location-5S-FE engine

  1. Align the cut outs of the pulley and the shaft and slide on the oil pump pulley. Tighten the pulley nut to 18 ft. lbs. (24 Nm).
  2.  
  3. Install the crankshaft timing pulley and the No. 2 idler pulley.
  4.  
  5. Install the timing belt.
  6.  
  7. Remove the engine sling or equivalent and safely lower the engine.
  8.  
  9. Install a new gasket, the oil strainer and baffle plate with the two bolts and two nuts. Tighten the bolts and nuts to 48 inch lbs. (5 Nm).
  10.  
  11. Remove any old sealant from the oil pan flange and thoroughly clean both sealing surfaces. Apply a new bead (3-5mm) of sealant to the oil pan flange.
  12.  

The pan must be installed within 5 minutes of sealant application or the procedure will have to be repeated.

  1. Install the oil pan and dipstick.
  2.  
  3. Install the rear end stiffener plate.
  4.  
  5. Install the cushion, retainer, and a new gasket to the front TWC. Install the TWC with the three bolts and two nuts. Tighten the bolts and nuts to 21 ft. lbs. (29 Nm). Install the RH side exhaust manifold stay with the two bolts and two new nuts. Tighten the bolts and nuts to 31 ft. lbs. (42 Nm) and connect the sub oxygen sensor connector.
  6.  
  7. Safely support the engine assembly and install the engine mounting center member.
  8.  
  9. Install the front exhaust pipe.
  10.  
  11. Lower the vehicle and fill the engine with oil. Connect the negative battery cable, start the engine, and check for leaks.
  12.  
  13. Recheck the engine oil level and install the engine undercovers.
  14.  

7A-FE Engine

See Figures 3, 4, 5, 6 and 7

  1. Properly relieve the fuel system pressure.
  2.  
  3. Disconnect the negative battery cable. On vehicles equipped with an air bag, wait at least 90 seconds before proceeding to hinder air bag deployment.
  4.  
  5. Remove the hood.
  6.  



Click image to see an enlarged view

Fig. Fig. 3: View of the oil pump removal components-7A-FE engine



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Fig. Fig. 4: View of the oil pump and related components-7A-FE engine

  1. Raise and safely support the vehicle.
  2.  
  3. Remove the RH front wheel.
  4.  
  5. Remove the undercovers from the vehicle.
  6.  
  7. Drain the engine oil.
  8.  
  9. Remove the front exhaust pipe.
  10.  
  11. If equipped with A/T, disconnect the transaxle control cable from the engine mounting center member.
  12.  
  13. If equipped w/ A/C, disconnect the A/C pressure pipe from the engine mounting center member.
  14.  
  15. Remove the front exhaust pipe support bracket.
  16.  
  17. Raise and safely support the engine assembly.
  18.  
  19. Remove the rear engine mounting insulator and the engine mounting center member.
  20.  
  21. Install an engine hanger and suspend the engine with an engine sling device or equivalent.
  22.  
  23. Remove the timing belt.
  24.  
  25. Remove the bolt and remove the idler pulley and tension spring.
  26.  
  27. Using a suitable tool, remove the crankshaft timing pulley.
  28.  
  29. Remove the oil dipstick guide and the dipstick.
  30.  
  31. Remove the No. 2 oil pan, baffle plate, oil strainer, and the No. 1 oil pan.
  32.  



Click image to see an enlarged view

Fig. Fig. 5: Remove the nuts holding the strainer and gasket

  1. Remove the oil pump 7 attaching bolts and by carefully tapping the oil pump body with a plastic tipped hammer, remove the oil pump and gasket.
  2.  

To install:
  1. Place a new gasket on the cylinder block, engage the spline teeth of the oil pump drive rotor with the large teeth of the crankshaft and slide the oil pump on.
  2.  
  3. Install the 7 oil pump mounting bolts and tighten them to 16 ft. lbs. (21 Nm). The long bolts are B 1.38 inch (35mm) long and the short bolts are A 0.98 inch (25mm) long.
  4.  



Click image to see an enlarged view

Fig. Fig. 6: Engage the spline teeth of the pump drive rotor with the large teeth of the crankshaft



Click image to see an enlarged view

Fig. Fig. 7: Place the bolts into the correct locations on the oil pump and secure

  1. Install the No. 1 oil pan, oil strainer, baffle plate and the No. 2 oil pan.
  2.  
  3. Install the timing belt.
  4.  
  5. Remove the engine sling device, safely lower the engine, remove the hanger, and install the rear engine mounting insulator and engine mounting center member.
  6.  

  1. Install the front exhaust pipe support bracket.
  2.  
  3. If equipped with A/C, connect the A/C pressure pipe to engine mounting center member clamp.
  4.  
  5. If equipped with A/T, connect the transaxle control cable to the engine mounting center member.
  6.  
  7. Install the front exhaust pipe.
  8.  
  9. Install the RH front wheel and safely lower the vehicle.
  10.  
  11. Install the hood.
  12.  
  13. Fill the engine with oil, connect the negative battery cable, start the engine, and check for leaks.
  14.  
  15. Recheck the engine oil level and install the engine undercovers.
  16.  

 
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