Toyota Previa 1991-1997 Repair Information

Water Pump

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REMOVAL & INSTALLATION



See Figures 1 through 10



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Fig. Fig. 1: View of the water pump and related components

  1. Raise the vehicle and support safely.
  2.  
  3. Remove the engine under covers.
  4.  
  5. Drain the engine coolant.
  6.  
  7. Drain the engine oil.
  8.  
  9. Disconnect the heater hose and radiator outlet hoses.
  10.  
  11. Remove the oil filter bracket.
  12.  



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Fig. Fig. 2: Unbolt and remove the oil filter bracket



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Fig. Fig. 3: Remember to discard the old gasket for the bracket

  1. Disconnect the water hose from the water pump.
  2.  



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Fig. Fig. 4: Remove any hoses attached to the water pump

  1. Remove the water pump retaining bolts and pump from the timing cover.
  2.  



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Fig. Fig. 5: Remove any bolts attaching the water pump to the engine



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Fig. Fig. 6: Extract the pump from the block



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Fig. Fig. 7: Location and sizes of all water pump bolts

  1. Remove the O-ring from the water pump.
  2.  



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Fig. Fig. 8: Remove all the o-rings from the water pump area

  1. Remove the water pump from the housing by removing the two bolts.
  2.  



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Fig. Fig. 9: View of the water pump gasket mating area

To install:
  1. Install the water pump with a new gasket and tighten the bolts to 14 ft. lbs. (20 Nm).
  2.  
  3. Install the water pump to the timing cover and install the bolts. Tighten the bolts for the water pump as follows:

    Bolt A: 14 ft. lbs. (20 Nm)
     
    Bolt B: 21 ft. lbs. (28 Nm)
     

  4.  



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Fig. Fig. 10: Waterpump bolt identification

  1. Connect the water hose to the water pump.
  2.  
  3. Install the oil filter bracket to the engine using a new O-ring.
  4.  
  5. Connect the heater hose and radiator outlet hose.
  6.  
  7. Fill the engine with oil.
  8.  
  9. Fill the engine and radiator with coolant.
  10.  
  11. Start the engine and check for leaks.
  12.  

 
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