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We have read the answer previously posted on how to replace the water pump for a 1999 Olds Alero 2.4L. Please explain in more detail the steps to remove the old water pump and to replace the new one. Also what is the water pump sprocket holding tool?

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1999 olds alero belt coming off


if the belt is coming off you have a bad pulley, or water pump or a locked up idler pulley, there has to be a reason for it to come off

Apr 20, 2013 | 1999 Oldsmobile Alero

1 Answer

I need to replace my water pump. Do you have a step by step diagram for a 1999 olds alero?


  • 1IF THIS IS A ALERO 4 MAJOR UNDERTAKEING TAKE IT TO THE SHOP IF NOT HOPEFULLY THIS WILL HELP.

    Remove the negative battery cable. Using a screwdriver, loosen the screw that connects the negative battery cable to the battery post. Pull the cable away from the post.

  • 2

    Lift th car using a jack. Support the Oldsmobile Alero with jack stands and the engine using a lift or some other engine support device.

  • 3

    Drain the Oldsmobile Alero's colling system by opening the cap on top of the radiator and unplugging the drain plug underneath the radiator. Position a large container under the drain hole to catch the draining coolant.

  • 4

    Disconnect the components that lead to the water pump with an adjustable wrench Lay them out in the order removed. In order, these parts include the automatic transaxle (if equipped), front wheel on the right side, splash shield, water pump sprocket and the access plate to the timing cover.

  • 5

    Use the access plate bolts to secure the water pump sprocket holding tool to the engine cover. Remove the pump bolts, front cover, thermostat housing, water pump feed pipe and two engine bolts using the adjustable wrench. Lift off the water pump.

  • 6

    Remove the bolts that secure the water pump to the block. Take off or scrape away the gasket. Remove and discard the o-ring between the water pump inlet pipe and the pump.

  • Install a New Water Pump
  • 1

    Spread a small amount of sealant on the water pump, on the areas where it mounts to the engine. Place the gasket on the sealant. Position the water pump onto the engine.

  • 2

    Insert the new bolts into the water pump. Torque the bolts to 89 inch pounds torque. Reconnect the other components in the order removed using an adjustable wrench.

  • 3

    Re-insert the drain plug into the radiator. Remove the engine support and jack stands. Lower the Olsmobile Alero to the floor.

  • 4

    Refill the radiator with coolant according to the instructions in your owner's manual. Screw on the radiator cap. Attach the negative battery cable to the post. Close the hood and test the car.

  • Nov 30, 2010 | 1999 Oldsmobile Alero

    2 Answers

    1999 Olds Alero. Low coolant light comes on and stays on even though its full. Starts running hot to the 3/4 mark. When the heater is turned on it cools off. Could this be the thermostat or the water pump.


    TAKE RADIATOR CAP OFF WITH ENGINE COLD AND CHECK WATER ..MAKE SURE RADIATOR NOT BLOCKED,,PLASTIC BAG ETC. THIS SOUNDS LIKE LOW WATER OR RADIATOR ..STOPPED UP INSIDE ..IF YOU HAVE GOOD HEAT IT'S FULL OF WATER. REPLACE T STAT B4 RADIATOR..IT'S CHEAPER. ALSO CHECK FOR RADIATOR COOLING FAN OPPERATION..I,M RULING OUT THE WATER PUMP.

    Mar 20, 2010 | 1999 Oldsmobile Alero

    1 Answer

    2000 olds alero shuts off while driving


    open gas cap turn key to on position listen for whirling sound ,if not, check fuel pump relay, check for fuel pressure 

    Sep 12, 2009 | 2000 Oldsmobile Alero

    2 Answers

    Cant figure out how to change the thermostat on my 2003 Olds Alero.


    1. (This is for a 2.2L engine) If equipped with an automatic transmission, remove the exhaust manifold.
    2. Drain the cooling system.
    3. Remove the thermostat housing to water pump feed pipe bolts.
    4. Remove the thermostat housing to water pump feed pipe.
    5. Remove the thermostat.

    Jun 24, 2009 | 2003 Oldsmobile Alero

    1 Answer

    Water pump leaking?


    Water pump would be on the other end. There is a water housing bolted to that end of the head by the p/s pump. This housing is plastic and tends to crack. check it.

    Mar 15, 2009 | 1999 Oldsmobile Alero

    1 Answer

    Water pump. how do i replace it? Is it a difficult problem?


    you need a haynes repair manual .because to much to tell you in words . its not that hard on the v6 engine. but the 2.4 engine you have to be dealing with timing chain.see if you get a manual it has pictures and step to remove the water pump .i been working on cars for 20 years. i use manuals it saves you time and money.

    Jun 25, 2008 | 1999 Oldsmobile Alero

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