How To Replace Water Pump

Need to know how to replace a water pump? The water pump is one of those parts of a car that can go out at almost any time. So, if you are a car owner it is important that you have a mechanic available or at least have a little knowledge about replacing a water pump. By following this step-by-step procedure, you should be able to replace a water pump if the need arises.

To replace a water pump, you will need:

  • A wrench set
  • A harmonic balancer (only for dual overhead cam motors)
  • A jack
  • A new water pump and gasket
  • Gasket sealer/silicone
  • A drain pan
  1. Jack the car up and drain the coolant. The very first thing you want to do is drain the coolant from the radiator. Be sure to place the drain pan under the radiator so that any coolant that leaks out will not drain on the floor. Obtain every drop in the drain pan.
  2. Detach all hoses, the alternator, belts, the coolant bottle, etc. You will be using different size sockets a lot. You will need to remove any part that is blocking your water pump. Please note that if you have a dual overhead cam motor, then you surely need to remove the "pulley" using a harmonic balancer. Most of the right side of your engine will need to be broken down first. Be sure to remember where everything goes before breaking your engine down.
  3. Remove the water pump. You will be removing the old water pump using your wrench. Once you have gotten this far, then everything else should be easy. You will probably be surprised at how rusty your old water pump may be. Dispose of the old water pump in a safe place.
  4. Begin sealing the gasket onto the new water pump. You will need to begin sealing the gasket alignment of the backside of the new water pump. Try not to get silicone on other parts of the new water pump. Once the alignment is fully saturated with silicone, place the gasket securely in the alignment. Let it stand for about five minutes.
  5. Begin bolting down the new water pump. Use the old bolts that came from the old water pump if you do not have any new ones. Make sure that your bolts are tight so that the new water pump can be securely placed. Once the bolts are tight, do not strain to tighten them beyond your ability or it could damage your wrench or other metals.
  6. Begin replacing all parts that were detached to reach the water pump. It is always important to remember where everything goes. If you do not remember, then consult an authorized dealer/mechanic. Placing parts in the wrong place could result in engine damage. So, always be sure and knowledgeable of parts placement.

 

 

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