How to replace the water pump 2003-2007 Honda Accord

To replace the oxygen sensors on your Accord this tutorial was tailor-made for you. You will be asked to open the hood, disconnect the battery, bleed the coolant as well as carry out a few other steps. You can carry out this tutorial of 18 chapters in 30 minutes. Take your 12 mm wrench and your 10 mm socket and let’s get started!

Duration

30 minutes

Number of steps

Difficulty out of 5

Average savings

$45

Parts You Will Need

Tools You Will Need

Step-by-Step Installation

Chapter 1:

Open the hood

Step 1/1

Turn off your vehicle’s ignition, set the parking brake, pull the hood release handle and open the hood.

Chapter 2:

Disconnect the battery

Step 1/1

For safety reasons, we advise you to disconnect the battery.

Chapter 3:

Bleed the coolant

Step 1/1

In order to change the water pump, it is necessary to carry out a complete bleed of your cooling system.

Chapter 4:

Visualise

Step 1/1

You can now see the serpentine belt which drives the water pump pulley behind which you will find the water pump.

Chapter 5:

Remove the serpentine belt

Step 1/2

Using a 14 mm offset wrench, loosen the belt by turning the serpentine belt tensioner clockwise.

Chapter 5:

Step 2/2

Meanwhile, remove the belt from the tensioner, then from the various pulleys.

Chapter 6:

Remove the power steering pump

Step 1/4

To access the water pump, you need to remove the serpentine belt tensioner, which is itself blocked by the power steering pump.

Chapter 6:

Step 2/4

Using a ratchet and a long 12 mm socket, unscrew the upper retaining bolt of the pump.

Chapter 6:

Step 3/4

Unscrew the lower bolt using a 12 mm wrench.

Chapter 6:

Step 4/4

You can now unclip the power steering reservoir from its slot.

Chapter 7:

Remove the serpentine belt tensioner

Step 1/3

Next, move the assembly aside to access the tensioner.

Chapter 7:

Step 2/3

Using a ratchet and a long 12mm socket, unscrew the 3 holding bolts of the serpentine belt tensioner.

Chapter 7:

Step 3/3

You can use a gimbal to help you for the second. Then remove the tensioner.

Chapter 8:

Informations

Step 1/1

To better visualize the operation, we removed the alternator.But this is not necessary.

Chapter 9:

Remove the water pump

Step 1/3

Using a 10 mm socket, unscrew the 6 water pump retaining bolts.

Chapter 9:

Step 2/3

You can access them from above or below the vehicle. Depending on access, you can use a 10 mm wrench or a gimbal.

Chapter 9:

Step 3/3

Remove the water pump. However, it is often difficult to remove.

Chapter 10:

Tips

Step 1/1

Be careful, when removing it, coolant remaining in the circuit will flow.Remember to position the liquid collector under the pump.

Chapter 11:

Clean the gasket surface

Step 1/4

Protect the entrance to the cooling circuit by plugging it with paper towels to prevent impurities from polluting the circuit.

Chapter 11:

Step 2/4

To avoid any risk of leaks, clean the water pump seal surface thoroughly.

Chapter 11:

Step 3/4

You can use a razor blade to remove the various residues from the seal surface.

Chapter 11:

Step 4/4

Clean the seal surface with compressed air and a cloth.

Chapter 12:

Prepare the water pump

Step 1/5

Get the new water pump.

Chapter 12:

Step 2/5

Take the new seal.

Chapter 12:

Step 3/5

Then put it in place on the new water pump.

Chapter 12:

Step 4/5

Everyone’s natural reflex is to take the water pump in hand and turn the pump pulley to check that this element is rotating correctly. But this is a serious mistake that can irreversibly damage the water pump. You need to immerse the pump in coolant, and to turn it around ten times. This prevents subsequent leaks, as the pump must never run dry.