How To Remove A Water Pump Pulley: Steps And Tips!

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Water pumps burn out quickly if coolant levels are too low. Unfortunately, coolant leaks are quite common on older vehicles and the result is water pump failure. Once the pump wears out, motor failure is imminent. Read to the end and find out cHow to remove a water pump pulley.

A new pump is the solution, but replacing it can be frustrating unless you take good preparation. One of the most difficult steps in pump removal is simply accessing the bolts that secure it in place, which are often hidden by the water pump pulley, which itself is difficult to remove. Fortunately, the mechanics have already devised a method to do it.

How to remove a water pump pulley

Replace Car Water Pump Pulley
Replace Car Water Pump Pulley

For this task that can sometimes cause so many headaches, we have the solution for you. The steps you must follow to remove a water pump pulley are as follows:

  1. Remove obstacles from the water pump. Often the alternator and air conditioning compressor belts get in the way. Press the belt tensioner associated with the belt to be removed, which maintains constant belt tension, to get enough slack to slide the belt. The tensioner is a spring that pushes against a belt and, manually pushing it in the opposite direction releases the tension.
  1. Remove the timing belt or chain from the engine if necessaryas it is often in the way of the water pump. Record the orientation of all associated sprockets, as the timing chain will need to be reinstalled in exactly the same way for the engine to run properly. A notch is usually etched into one tooth of each sprocket; make sure each notch points in the same direction when timing chain is replaced.
  1. Remove the pump belt. Depending on the specific mechanics of the vehicle, determined by the manufacturer, this belt may only drive the water pump, or a serpentine belt that wraps around the pulleys of many other devices, such as the power steering pump and alternator. It is not necessary to remove the belt from all the pulleys unless it is necessary to do so to access the water pump.
  1. Install the pulley removal tool on the water pump pulley. The tool has two clips that sit behind the pulley and a screw that pushes against the pump rotor. The tool will apply pressure to the shaft to push the pulley out of the pump. It is difficult to get a secure foothold to pull the pulley off with a screwdriver or pull bar, and doing so will necessarily put pressure on other mechanical parts of the vehicle, such as the engine, other pumps, and exhaust manifolds, It can also cause damage. Also, the angular force on the water pump itself could bend the bolts that attach it to the engine and can make removal difficult.
  1. Squeeze the removal tool slowly. Some removal tools require a ratcheting socket to turn the screw, while others can be turned by hand. As the removal tool screw rotates, it extends toward the pump rotor shaft, while its side clips experience an opposing force pulling the pulley away from the rotor. The even pressure applied by the removal tool will force the pulley out of the water pump rotor without cracking or bending the pulley..

In this way you will be able to remove a pulley from the water pump correctly. If you can’t do it yourself or aren’t sure you’re doing it right, contact a trusted mechanic for help.

How to Remove the Pulley From a Water Pump
How to Remove the Pulley From a Water Pump

Items you will need

The tools to use for this process are:

  • Pulley removal tool (adjustable)
  • Socket set / Wrenches
  • Screwdrivers set

Water pumps burn out quickly if coolant levels are too low. Unfortunately, coolant leaks are quite common on older vehicles and the result is water pump failure. Once the pump wears out, motor failure is imminent. Read to the end and find out cHow to remove a water pump pulley.

A new pump is the solution, but replacing it can be frustrating unless you take good preparation. One of the most difficult steps in pump removal is simply accessing the bolts that secure it in place, which are often hidden by the water pump pulley, which itself is difficult to remove. Fortunately, the mechanics have already devised a method to do it.

How to remove a water pump pulley

Replace Car Water Pump Pulley
Replace Car Water Pump Pulley

For this task that can sometimes cause so many headaches, we have the solution for you. The steps you must follow to remove a water pump pulley are as follows:

  1. Remove obstacles from the water pump. Often the alternator and air conditioning compressor belts get in the way. Press the belt tensioner associated with the belt to be removed, which maintains constant belt tension, to get enough slack to slide the belt. The tensioner is a spring that pushes against a belt and, manually pushing it in the opposite direction releases the tension.
  1. Remove the timing belt or chain from the engine if necessaryas it is often in the way of the water pump. Record the orientation of all associated sprockets, as the timing chain will need to be reinstalled in exactly the same way for the engine to run properly. A notch is usually etched into one tooth of each sprocket; make sure each notch points in the same direction when timing chain is replaced.
  1. Remove the pump belt. Depending on the specific mechanics of the vehicle, determined by the manufacturer, this belt may only drive the water pump, or a serpentine belt that wraps around the pulleys of many other devices, such as the power steering pump and alternator. It is not necessary to remove the belt from all the pulleys unless it is necessary to do so to access the water pump.
  1. Install the pulley removal tool on the water pump pulley. The tool has two clips that sit behind the pulley and a screw that pushes against the pump rotor. The tool will apply pressure to the shaft to push the pulley out of the pump. It is difficult to get a secure foothold to pull the pulley off with a screwdriver or pull bar, and doing so will necessarily put pressure on other mechanical parts of the vehicle, such as the engine, other pumps, and exhaust manifolds, It can also cause damage. Also, the angular force on the water pump itself could bend the bolts that attach it to the engine and can make removal difficult.
  1. Squeeze the removal tool slowly. Some removal tools require a ratcheting socket to turn the screw, while others can be turned by hand. As the removal tool screw rotates, it extends toward the pump rotor shaft, while its side clips experience an opposing force pulling the pulley away from the rotor. The even pressure applied by the removal tool will force the pulley out of the water pump rotor without cracking or bending the pulley..

In this way you will be able to remove a pulley from the water pump correctly. If you can’t do it yourself or aren’t sure you’re doing it right, contact a trusted mechanic for help.

How to Remove the Pulley From a Water Pump
How to Remove the Pulley From a Water Pump

Items you will need

The tools to use for this process are:

  • Pulley removal tool (adjustable)
  • Socket set / Wrenches
  • Screwdrivers set

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