How to Replace the Water Pump in a Ford Focus

Written by ehow cars editor
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The water pump is the heart of the Ford Focus cooling system and needs to be functioning properly to keep the rest of the engine in good shape. A faulty water pump could make the engine overheat, causing serious damage so it is necessary to replace the pump when it begins to fail.

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Things you need

  • Water pump

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    Remove the Water Pump

  1. 1

    Drain the cooling system from the radiator when the engine is cool.

  2. 2

    Disconnect the negative battery cable before you begin.

  3. 3

    Remove the accessory drive belt and take off the water pump pulley.

  4. 4

    Take the front cover off the engine.

  5. 5

    Remove the timing belt as well as the timing belt tensioner.

  6. 6

    Loosen and remove the water pump bolts and take out the old water pump.

    Install the Water Pump

  1. 1

    Replace the water pump in the engine, tightening the bolts to 13 feet lbs.

  2. 2

    Install the timing belt and the timing belt tensioner.

  3. 3

    Replace the front cover.

  4. 4

    Reattach the water pump pulley and the accessory drive belt.

  5. 5

    Reconnect the negative battery cable.

  6. 6

    Refill the cooling system with coolant to the proper levels.

  7. 7

    Start the engine and check for leaks when the engine reaches normal operating temperatures.

Tips and warnings

  • A sign that your water pump may need replacing is a leak in the coolant or loud noises coming from the cooling system.
  • Disconnecting the negative battery cable may reset the on-board computer system or parts of the computer system, so be aware that you may have to reset certain settings.
  • Never attempt to drain the radiator when the engine is hot. The steam and the hot coolant within the radiator can cause serious burns.

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