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Posted on Apr 02, 2009
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REMOVING WATERPUMP REPLACING WATERPUMP NEED TO KNOW HOW TO GO ABOUT REMOVING OLD ONE

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Greg Bernett

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  • Isuzu Master 2,993 Answers
  • Posted on Apr 02, 2009
Greg Bernett
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Joined: Mar 04, 2009
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NOTE: This procedure may be easier if the radiator and shroud is removed. If the radiator is not removed, place cardboard in front so not to damage the radiator core

  1. Open the hood and disconnect the battery. Remove the lower engine cover.
  2. Drain the cooling system. CAUTION
    When draining the coolant, keep in mind that cats and dogs are attracted by ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.
  3. On cars without air conditioning, remove the fan.
  4. On cars with air conditioning, remove the air pump and generator mounting bolts, then remove the fan and air pump drive belt (pivot the generator and air pump in toward the engine). Remove the fan and pulley with set plate. Remove the hoses to the pump.
  5. Remove the 6 bolts attaching the water pump and remove the water pump assembly. Clean all gasket surfaces carefully. To install:
  6. Install the 6 bolts attaching the water pump with a new gasket.
  7. On cars with air conditioning, install the air pump and generator mounting bolts, then install the fan and air pump drive belt (pivot the generator and air pump in toward the engine). Install the fan and pulley with set plate. Install the hoses to the pump.
  8. On cars without air conditioning, install the fan.
  9. Refill the cooling system.
  10. Connect the battery, start the engine and check for leaks.

  • 1 more comment 
  • Greg Bernett
    Greg Bernett Apr 02, 2009

    1986–92 2.3L Engine


        Disconnect the battery and drain the radiator.
        CAUTION
        When draining the coolant, keep in mind that cats and dogs are attracted by ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.


          Remove the fan belt, plate, spacer, and pulley.
            Remove the water pump and gasket.
            To install:

              Before installation, clean the gasket surfaces carefully and torque the water pump retaining bolts to 18 ft. lbs. (25 Nm).
                Install the fan belt, plate, spacer, and pulley.
                  Connect the battery, refill the radiator, start the engine and check for leaks.
  • Greg Bernett
    Greg Bernett Apr 02, 2009

    The first post is for a 1.8-2.0L.....you didn't list your motor size....

  • Greg Bernett
    Greg Bernett Apr 02, 2009


    FIG 1.

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