Ford F-150 5.4-Liter V8 Water Pump Replacement D.I.Y.

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Ford F-150 Water Pump Old and New

Anyone with simple tools can change an F-150 water pump and save themselves hundreds of dollars.

The odds are good that if you have had the same vehicle for a long time, you have paid someone to replace the water pump, but in a late-model Ford F-150 with the 5.4-liter V8, this is a project that you can tackle on your own. With this great how-to write-up from the F-150 Online forums by “ibd2328” and some basic tools, anyone with the ability to loosen and tighten bolts can save themselves an expensive trip to an auto mechanic.

To some people, changing a water pump sounds like a daunting task, but if you are remotely comfortable working with your hands, an F-150, 5.4-liter Triton water pump job is a great weekend project for a novice mechanic.

Ford F-150 Stock Water Pump

The Introduction

When the OP began his thread explaining how to change the water pump on a 5.4-liter V8 in an F-150, he offered some basic tips to consider before starting, along with a list of the items needed for the project.

Water Pump with O-Ring
Anti Seize & Loc – Tite
Flat head screwdriver
2 – 10mm open end wrenches
8mm socket
10mm socket
Ratchet & Extensions
1/2″ drive Ratchet (Use the Male end for tensioner pulley)
Channel Locks
Large Crescent/Adjustable wrench
Rags for clean up
Access to water-hose/Antifreeze

Before you start:
*I always remove the negative battery terminal before doing any work to the truck*

Make sure the truck is cooled down quite a bit before proceeding.

Accessing the Water Pump

The most labor-intensive aspect of this water pump job is gaining access to the water pump itself. This begins with removing the engine air intake system, followed by draining the radiator and removing the upper radiator hose. Some people might try to work around the upper radiator hose, but keep in mind that when changing a water pump, you always have to drain the cooling system.

Ford F-150 Clutch Fan

Once you have the radiator drained, you want to remove the fan and the fan shroud. The clutch fan actually attaches to the front of the water pump and the shroud is generally in the way, so you need to unbolt the shroud and the clutch fan, taking note of the fact that the fan has reverse threads.

Ford F-150 Serpentine Belt

The last step before tearing into the water pump is to remove the serpentine belt by applying force to the tensioner, allowing you to remove the belt from the engine of your F-150.

Ford F-150 5.4-Liter V8 Water Pump Replacement D.I.Y. continued…

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"I love covering the automotive industry and everything involved with the job. I was fortunate to turn my love of the automotive world into a hobby that led to an exciting career, with my past of working as a mechanic and as an accountant in the automotive world provides me with a unique perspective of the industry.

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