How to Replace the Water Pump and Gasket on the 2011-2014 Ford Mustang V6 (With Video)

Updated on January 17, 2019
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Hardlymoving writes about do-it-yourself automobile maintenance on various makes and models.

Ford Mustang V6 water pump and gasket
Ford Mustang V6 water pump and gasket

Overview: How to Replace the Water Pump

This article details the steps involved in replacing the water pump and water pump gasket on a 2012 Ford Mustang V6. This water pump is also used on the 2011-2014 Ford F150. A chain strap wrench is helpful in removing the nuts from the pump pulley; otherwise, no special tools are required.

To do this repair, you will need:

  • A new water pump gasket
  • Two (2) gallons of premixed Ford-compatible pink coolant
  • RTV Sealant

If desired, you can replace the thermostat at the same time, but that task is not covered in this article. You do not have to remove any coolant hoses.

The video below demonstrates the enitre step-by-step process. I have also described the procedure in writing, below.

Video of Ford Mustang Water Pump Replacement

The eight-minute video below will provide you with visual step-by-step help for completing this replacement. The steps are also described below.

Step-by-Step Procedure: Ford Mustang Water Pump Replacement

Step 1: Remove the Air Intake Hose

  1. Loosen, but do not remove, the hose clamps that secure the air intake hose connecting the air filter box to the throttle body.
  2. Remove the rubber hoses that connect to the air intake hose. One pulls off; the other is secured by a plastic fitting with a tab. Push the white tab up while pulling and wiggling the plastic fitting. The hose will come off.
  3. Wiggle and pull the air intake hose off the throttle body and air filter box.

Step 2: Remove the Thermostat Housing Assembly

I recommend placing a large pan under the car to capture the coolant that will spill when the thermostat housing and water pump are removed. I use a plastic concrete-mixing pan I bought from Home Depot for a few dollars. It does a good job of capturing coolant.

  1. Remove the four (4) bolts that hold the thermostat housing assembly to the engine.
  2. Use a combination of a small pry bar and manual wiggling action to detach the thermostat housing from the engine.
  3. Use a rubber strap like a bungee cord to hold the thermostat housing away from the water pump.

Step 3: Remove the Accessory Belt and the Water Pump Pulley

  1. Relieve the tension on the accessory belt by applying counter-clockwise force on the belt tensioner pulley bolt. As tension is relieved from the belt, pull the belt off the tensioner pulley, ease off the tension on the pulley bolt, and remove the belt.
  2. Use a strap wrench tool to hold the water pump pulley and keep it from moving counter clockwise. My preference is a chain strap wrench. They come in different sizes to accommodate different-sized and -tensioned pulleys and mechanical sprockets.
  3. Remove the four (4) bolts that hold the water pump pulley and remove the pulley.

Step 4: Remove the Water Pump

  1. Remove the seven (7) bolts that hold the water pump to the engine block.
  2. Using either a small pry bar or a screwdriver, gently pry the water pump off the engine block.
  3. Remove the water pump gasket.

Step 5: Prepare the Water Pump for Installation

  1. Before placing the new pump and gasket back on to the engine block, clean up the contact points with a wire brush. Do not use sandpaper or sandpaper block tools. Towel off any residual gasket material, corrosion, and coolant.
  2. Lubricate the new water pump's O-ring recessed in the pump with di-electric grease.
  3. Apply a light coat of RTV sealant on the outside perimeter of the new water pump gasket that mounts to the water pump.
  4. Attach the new water pump gasket to the new water pump.
  5. Apply a light coat of RTV sealant on the outside perimeter of the new water pump where it mounts to the engine.

Step 6: Mount the New Water Pump

  1. Mount the new water pump on the engine block, carefully aligning the water pump's bolt holes with the engine block bolt holes.
  2. Hand-fasten all the water pump bolts.
  3. Torque down the bolts with a 1/4" ratchet wrench, spreading out the torque evenly among all the bolts.

Step 7: Mount the Thermostat Housing Assembly

  1. Apply dielectric grease to the coolant pipe O-ring that connects to the thermostat housing assembly.
  2. Apply RTV sealant to the gasket that is recessed into the thermostat housing assembly.
  3. Wiggle on the thermostat housing assembly to the engine block.
  4. Install and evenly torque on the thermostat housing assembly bolts using a 1/4 torque wrench.

Step 8: Re-Install the Water Pump Pulley and Accessory Belt

  1. Install the water pump pulley onto the water pump.
  2. Line up the bolt holes and screw on the pulley bolts.
  3. Torque down the pulley bolts.
  4. Install the accessory belt by relieving tension on the tensioner pulley with one hand and installing the accessory belt with the other.

Step 9: Re-Install the Air Intake Hose

  1. Re-connect the air intake hose to the throttle body and the air filter box. Make sure the hose lines up with the tabs.
  2. Re-connect the two (2) rubber hoses to the side of the air intake hose.
  3. Torque down the two (2) air intake hose clamps.

Step 10: Add Coolant

Pour coolant into the coolant reservoir. The cooling system will probably take one or more gallons of coolant. Start the car, and add more coolant as air bubbles are pushed out of the cooling system. You can avoid spillage by using a Spill-Free Coolant Funnel Kit. It makes the job go faster and easier.

This article is accurate and true to the best of the author’s knowledge. Content is for informational or entertainment purposes only and does not substitute for personal counsel or professional advice in business, financial, legal, or technical matters.

© 2018 hardlymoving


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    • hardlymoving profile imageAUTHOR


      2 years ago from Memphis, TN

      Krishna R,

      Thx for your comment.

    • Krishna R022 profile image

      Krishna R 

      2 years ago from New York City

      Nice post


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