How to Remove a Water Pump in Vehicles

by Contributing Writer; Updated June 12, 2017

The water pump on a Vehicles light duty Vehicles is mounted on the front of the engine behind the radiator. You will hear a bearing noise during engine idling if the bearing in the water pump is bad. Leaking coolant from the area around the front pump seal or coolant seepage from the pump's drain hole indicates that the water pump requires replacement. Allow the engine to cool completely before you begin to remove the water pump. Coolant temperatures inside the engine are hot enough to severely scald you when the engine is Vehicles or near operating temperature.

Under The Hood:

 How to Remove a Water Pump in a Ford Taurus

Disconnect the ground cable from the negative battery terminal by using a wrench to loosen the retaining bolt. Pull the clamp off the terminal.

Locate the petcock valve on the lower right corner of the radiator. Place a waste oil collection pan underneath the valve. Open the valve by using a needle nose pilers to turn it counterclockwise. Once all the coolant has drained out close the petcock valve.

Loosen the hose clamp that secures the inlet tube to the water pump and pull the tube off the pump.

Insert a 1/2-inch drive breaker bar into the belt tensioner. Turn the breaker bar clockwise to release the tension on the belt and remove the belt.

Loosen the hose clamp that secures the heater hose to the water pump and pull hose off the pump.

Remove the bolts that secure the water pump to the engine block.

Lift the water pump out of the engine and remove it from the vehicle.

Items you will need

  • Wrench set

  • Waste oil collection pan

  • Needle-nose pliers

  • Phillips screwdriver

  • 1/2-inch breaker bar

  • Socket set

 How to Remove a Water Pump on a Dodge Dakota

Disconnect the Dakota's negative battery cable and isolate it so it cannot inadvertently come in contact with the battery's negative post.

Drain the cooling system: Connect a piece of hose to the radiator drain fitting, open the drain fitting (you may need pliers) and drain the coolant into a large container. Repeat this for the drain fitting at the engine block.

Detach the cooling fan and shroud by disconnecting the upper radiator hose, removing the fan's mounting fasteners and pulling the shroud upward to detach it from its clips.

Remove the engine drive belt by loosening the belt tensioner and slipping the belt off. The tensioner may have a square hole for a breaker bar or ratchet, or a bolt that requires a wrench.

Unbolt the alternator and air conditioner compressor with a wrench (don't disconnect the compressor's refrigerant lines). Position them out of the way and remove the support bracket for these parts. This is required only on many Dakotas that have Hemi engines.

Disconnect the heater and radiator hoses from the water pump by loosening their hose clamps with a screwdriver. Grasp and twist a hose with adjustable pliers if it is stuck.

Remove the mounting bolts for the water pump with a wrench, and remove the pump. Take note of where each bolt goes--they will be of different lengths--to ensure they go in the correct places during installation.

Items you will need

  • Pliers

  • Small hose

  • Container

  • Wrench

  • Breaker bar or ratchet

  • Screwdriver

 How To Remove a Water Pump in a 1992 Ford F-150

Position a drain pan under the radiator's drain plug on the F-150. Open the drain plug to drain the coolant.

Remove the screws holding the radiator shroud to the radiator, using a socket and ratchet or a screwdriver. Remove the shroud and set it aside.

Remove four screws holding the fan clutch to the water pump, using the socket and ratchet. Pull the fan clutch assembly off the water pump, then set it aside. Take care when removing the fan clutch not to hit the radiator.

Remove tension on the accessory drive belt by loosening the auto-tensioner idle wheel retaining bolt with a socket and breaker bar. Slip the belt off the water pump pulley.

Remove bolts holding the air-conditioning compressor/power steering pump bracket to the front of the engine, using the socket and ratchet, if your engine has these accessories. Move the bracket and the attached accessories aside to gain access to the water pump.

Loosen the hose clamps on the hoses connected to the water pump, using a screwdriver or pliers, depending on the type of hose clamps on your F-150. Grasp each hose firmly, twist to break the seal, then pull the hose off the water pump.

Remove the bolts holding the water pump to the front of the engine, using a socket and ratchet. Note which bolts are removed from which holes. Remove the water pump.

Items you will need

  • Drain pan

  • Socket set and ratchet

  • Screwdriver

  • Breaker bar

  • Pliers

 How to Remove a Water Pump From a Pontiac Grand Prix

Park your Grand Prix on level ground. Gather your tools for easy access and disconnect the negative battery cable.

Place your drain pan underneath the radiator and locate the coolant drain plug. Newer models will have a plastic guard to remove before you can access underneath the front of the engine bay. Remove the drain plug and let the coolant completely drain into the pan.

Cover the drain pan and place it in a safe area. Engine coolant is highly toxic if ingested by animals or humans. If you do not have a lid for your drain pan, use something else to cover it. Foreign objects entering into your coolant can contaminate it.

Use the screwdriver or socket wrench to remove the accessory belt protective cover to access the water pump pulley. Loosen the bolts on the pulley, but do not remove them. Once the pulley bolts are loosened, turn the pulley to remove the accessory belt, and then finish removing the pulley.

Set the pulley and its bolts aside. Remove the five bolts (all models) mounting the water pump. The bolts will require force to remove; use a solvent such as liquid wrench to assist you. Once the bolts are removed, set the water pump and gasket aside. If the gasket is stuck to the mounting location, carefully scrape it off. Always discard the old gasket.

Thoroughly clean the contact area, and then install the new gasket and water pump. Use the torque wrench to tighten the five bolts. Different models must be tightened to different levels. The 3.1- and 3.4-liter engine bolts must be tightened to 89 inch-pounds; 3.8-liter engines have long bolts and short bolts. The long bolts must be tightened to 25 foot-pounds and the short bolts to 16 foot-pounds. Do not overlook this setting, as it is very important for correct water pump installation.

Attach the water pump pulley and tighten the bolts to 106 inch-pounds for 3.1- and 3.4-liter engines. Tighten the bolts to 115 inch-pounds for 3.8-liter engines. Replace the accessory belt on the water pump pulley.

Replace the pulley cover and the engine bay guard (if equipped). Replace the coolant drain plug and replenish the coolant system. Reconnect the negative battery cable, and then start the engine and check for leaks.

Items you will need

  • Pliers

  • Socket wrench

  • Drain pan with lid

  • Screwdriver

  • Torque wrench

  • Replacement water pump gasket

  • Replacement water pump

 How to Remove a Water Pump on a Ford F-250 7.3

Place a five-gallon drain pan underneath the radiator drain valve on the driver’s side of the radiator. Loosen, but do not remove, the drain valve with a 19 mm wrench turned in a counterclockwise direction. Allow the coolant to drain completely from the radiator then tighten the drain valve.

Open the hood. Remove the overflow hose from the white plastic coolant tank at the top of the engine with a pair of pliers. Remove the three holding screws from the tank with a 5/16-inch nut driver. Remove the tank from the engine bay.

Remove the upper radiator hose by squeezing the clamps with a pair of pliers while pulling the hose from the radiator and the water pump. Place a ½-inch ratchet wrench into the square hole on the serpentine belt tensioner at the top of the engine. Rotate the wrench counterclockwise to slacken the belt tension. Slip the belt from its pulleys and remove it from the engine bay. Slowly raise the handle of the wrench and remove it.

Remove the two bolts from the top of the plastic fan shroud with a 10 mm wrench turned in a counterclockwise direction. Remove the center nut that holds the fan to the front of the water pump with a 1 7/8-inch wrench turned in a counterclockwise direction. Lift the fan shroud and the fan together from the engine bay, being careful not to damage the radiator fins.

Pull the electrical connectors from the coolant temperature sensor and the cam position sensor on the face of the water pump. Loosen and remove the nine bolts that attach the water pump to the front of the engine block with a 10 mm wrench turned in a counterclockwise direction. Carefully pry the water pump from its mating surface with a flat blade screwdriver and remove it from the engine bay.

Items you will need

  • Drain pan

  • 19 mm wrench

  • Pliers

  • 5/16-inch nut driver

  • ½-inch ratchet wrench

  • 10 mm wrench

  • 1 7/8-inch wrench

  • Flat blade screwdriver

 How to Remove a Water Pump From a 94 Ford F150

Drain the cooling system by removing the draincock fitting at the bottom of the radiator with a wrench.

Squeeze the two tips of the hose clamp on the end of the lower radiator hose with a pair of channel-lock pliers and pull the hose off of the bottom of the water pump.

Remove the bolts which secure the fan shroud to the engine-side of the radiator with a wrench, then push the fan shroud over the fan blades.

Insert the tip of a 1/2-inch breaker bar into the center of the tensioner pulley, then push the breaker bar in a clockwise direction to release the tension on the drive belt and pull the belt off of the water pump pulley.

Remove the fan blade assembly from the tip of the water pump with a clutch fan removal kit to access the water pump pulley’s four securing bolts. Not all clutch fan removal kits are used the same way, so consult the kit’s user instructions.

Remove the four bolts which secure the water pump pulley to the front of the water pump with a wrench.

Remove the single bolt which secures the alternator’s pivot arm to the front of the water pump with a wrench.

Squeeze the two tips of the hose clamp on the end of the heater hose with a pair of channel-lock pliers and pull the hose off of the top of the water pump.

Remove the water pump’s securing bolts with a wrench and pull the water pump off of the engine block. If the pump is stuck, dislodge it by striking the side of the pump with a rubber mallet.

Items you will need

  • Wrench

  • Channel-lock pliers

  • 1/2-inch breaker bar

  • Clutch fan removal kit

  • Rubber mallet

 How to Remove a Water Pump From a 4.9 Ford Engine

Crawl under the vehicle and locate the drain plug on the passenger's side of the bottom of the radiator. Use crescent wrenches to loosen and remove the plug, and allow all of the coolant to drain into your catch container.

Locate the hose running from the left side of the radiator to the water pump housing located on the side of the engine. Use a screwdriver to loosen the hose clamp and then slide the hose off of the water pump housing.

Use the crescent wrench to remove the four mounting bolts holding the water pump housing onto the engine. Slide the housing off and pull the water pump off as well. You can now inspect the pump or replace it.

Items you will need

  • Catch container

  • Crescent wrenches

  • Screwdriver

 How to Remove the Water Pump on a Ford Ranger

Open the hood to reveal the engine compartment. The water pump is located in the front of the motor behind the fan.

Drain the coolant into a pan by opening the petcock valve located toward the bottom of the radiator. This will take a few minutes for all the water to drain.

Uninstall the belt by loosening the tensioner pulley. Use a 1/2-inch ratchet and turn the pulley till the belt loosens.

Take the fan off by loosening the four bolts holding it to the fan clutch. This will require a socket wrench.

Remove the pulley with a socket wrench to expose the water pump.

Unscrew the bolts holding the water pump in place. The water pump will ease out once all the bolts have been removed. You may need to pry as the gasket has created a seal. The water pump will work it's way out.

Items you will need

  • Crescent wrench

  • Socket set

  • Socket wrench

  • Pry bar