Log In
Search suggestions

    My Vehicles

    1995 Lexus LS400 4.0L MFI DOHC 8cyl

    My Store

    1720 S RIDGEWOOD A
    (386) 427-1210

    OPEN 'til 9:00 PM today

    Save 20% On Orders Over $100

    Use Code: HOLIDAY20

    See Details

    Get A $25 AutoZone Gift Card

    Use Code: HOLIDAY25

    See Details

    Ford Windstar 1995-1998 Repair Guide

    Water Pump

    Print

    REMOVAL & INSTALLATION



    3.0L Engine

    See Figures 1, 2, 3, 4, 5, 6, 7 and 8



    Click image to see an enlarged view

    Fig. Fig. 1: Front cover and water pump bolt size and location-3.0L engine



    Click image to see an enlarged view

    Fig. Fig. 2: Use a wrench to rotate the automatic tensioner clockwise and remove the accessory drive belt



    Click image to see an enlarged view

    Fig. Fig. 3: The automatic tensioner is attached with a Torx® head bolt



    Click image to see an enlarged view

    Fig. Fig. 4: Note the tensioner position for installation reference and remove it from the vehicle



    Click image to see an enlarged view

    Fig. Fig. 5: Label and disconnect the radiator and heater hoses from the water pump



    Click image to see an enlarged view

    Fig. Fig. 6: After removing the water pump attaching bolts, remove the water pump and pulley



    Click image to see an enlarged view

    Fig. Fig. 7: The water pump works in conjunction with passages in the timing cover to circulate coolant



    Click image to see an enlarged view

    Fig. Fig. 8: Clean the gasket mating surfaces thoroughly, but take care not to gouge the aluminum

    1. Disconnect the negative battery cable.
    2.  
    3. Drain and recycle the engine coolant.
    4.  
    5. Loosen the four water pump pulley retaining bolts while the accessory drive belts are still tight.
    6.  
    7. Rotate the automatic tensioner down and to the left.
    8.  
    9. Remove the accessory drive belt.
    10.  
    11. Remove the two nuts and bolt retaining the drive belt automatic tensioner to the engine, then remove the tensioner.
    12.  
    13. Disconnect and remove the lower radiator and heater hose from the water pump.
    14.  
    15. Remove the eleven water pump-to-engine retaining bolts, then lift the water pump and pulley up and out of the vehicle.
    16.  
    17. Remove the water pump pulley retaining bolts, then remove the pulley from the water pump.
    18.  

    To install:

    Be careful not to gouge the aluminum surfaces when scraping the old gasket material from the mating surfaces of the water pump and front cover.

    1. Clean the gasket surfaces on the water pump and front cover. Lightly oil all bolt and stud threads except those requiring special sealant.
    2.  
    3. Position a new water pump housing gasket on the water pump sealing surface using gasket sealant to hold the gasket in place.
    4.  
    5. With the water pump pulley and retaining bolts loosely installed on the water pump, align the water pump-to-engine front cover, then install the retaining bolts.
    6.  
    7. Tighten the bolts to the following specifications:
      1. Bolt numbers 1-10: 15-22 ft. lbs. (20-30 Nm).
      2.  
      3. Bolt numbers 11-15: 71-106 inch lbs (8-12 Nm).
      4.  

    8.  
    9. Hand-tighten the water pump pulley retaining bolts.
    10.  
    11. Install the automatic belt tensioner assembly. Tighten the two retaining nuts and bolt to 35 ft. lbs. (47 Nm).
    12.  
    13. Install the alternator and power steering belts. Final tighten the water pump pulley retaining bolts to 15-22 ft. lbs. (22-30 Nm).
    14.  
    15. Position the hose clamps between the alignment marks on both ends of the hose, then slide the hose on the connection. Tighten the hose clamps to 20-30 inch lbs. (2.2-3.4 Nm).
    16.  
    17. Fill and bleed the cooling system.
    18.  
    19. Connect the negative battery cable.
    20.  
    21. Start the engine and check for leaks.
    22.  

    3.8L Engine

    See Figure 9



    Click image to see an enlarged view

    Fig. Fig. 9: View of front cover with water pump bolt sizes and locations-3.8L engine

    1. Disconnect the negative battery cable.
    2.  
    3. Drain and recycle the engine coolant.
    4.  
    5. Loosen the drive belt tensioner, then remove the drive belts.
    6.  
    7. Remove the lower radiator hose.
    8.  
    9. Remove the lower nut on both front engine supports.
    10.  
    11. Remove the alternator.
    12.  
    13. Position a drain pan under the power steering pump.
    14.  
    15. Disconnect power steering pressure line from pump using a fuel line disconnect tool (T90T-9550-S), or equivalent.
    16.  
    17. Remove the power steering reservoir filler cap.
    18.  
    19. Disconnect the water bypass hose and oil cooler hose from the heater water outlet tube.
    20.  
    21. Remove the retaining bolt and disconnect the heater water outlet tube from the water pump.
    22.  
    23. Remove the A/C bracket brace.
    24.  
    25. Raise the engine approximately 2 inches (51mm) to provide necessary clearance for water pump removal.
    26.  
    27. Remove the water pump pulley.
    28.  
    29. Remove the drive belt tensioner form the power steering pump support.
    30.  
    31. Remove the power steering pump support and place the pump and support aside in the engine compartment.
    32.  
    33. Remove the water pump.
    34.  

    To install:
    1. Clean all gasket mating surfaces thoroughly.
    2.  

    Be careful not to gouge the aluminum surfaces when scraping the old gasket material from the mating surfaces of the water pump and front cover.

    1. Coat the threads of the No. 1 engine front cover stud with Teflon® pipe sealant, or equivalent.
    2.  
    3. Position a new water pump housing gasket on the water pump sealing surface using gasket sealant to hold the gasket in place.
    4.  
    5. Install the water pump and tighten bolts to 15-22 ft. lbs. (20-30 Nm) and nuts to 71-106 inch lbs. (8-12 Nm).
    6.  
    7. Install the power steering pump support.
    8.  
    9. Install the drive belt tensioner.
    10.  
    11. Install the water pump pulley.
    12.  
    13. Lower the engine.
    14.  
    15. Install the A/C bracket brace.
    16.  
    17. Connect the heater water outlet tube.
    18.  
    19. Connect the water bypass hose and oil cooler hose.
    20.  
    21. Install the power steering reservoir filler cap.
    22.  
    23. Connect power steering pressure line using fuel line connect tool (T90T-9550-S), or equivalent.
    24.  
    25. Install the alternator.
    26.  
    27. Install the lower nut on both front engine supports.
    28.  
    29. Install the lower radiator hose.
    30.  
    31. Install the drive belts.
    32.  
    33. Fill and bleed the cooling system.
    34.  
    35. Connect the negative battery cable.
    36.  

     
    AutoZone Logo