2002 Ford Explorer water pump

Tiny
BUKEYE70@LIVE.COM
  • MEMBER
  • 2002 FORD EXPLORER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 101,000 MILES
I have a small drip coming from the bottom of the water pump. Also on a morning start up the belt squeaks bad with the defrost on. I have changed the serpintine belt and flushed the water system. Ibeleive the water pump is getting ready to go out. What is the proper way of changing water pump?
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Tuesday, March 16th, 2010 AT 7:50 AM

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Tiny
DAVE H
  • EXPERT
WATER PUMP - 4.0L SOHC
Material
MATERIAL SPECIFICATION
ItemSpecification
Metal Surface Cleaner F4AZ-19A536-RAWSE-M5B392-A

Removal and Installation
Drain the engine cooling system. For additional information, refer to COOLING SYSTEM DRAINING, FILLING AND BLEEDING.
Remove the cooling fan. For additional information, refer to COOLING FAN.
Remove the accessory drive belt. For additional information, Refer to appropriate ENGINE article.
Slide the upper water bypass hose clamp back.
Fig. 18: Identifying Upper Water Bypass Hose Clamp
Courtesy of FORD MOTOR CO.
Disconnect the heater hose at the water pump.
Release the clamp.
Remove the hose.
Fig. 19: Disconnecting Heater Hose At Water Pump
Courtesy of FORD MOTOR CO.
Disconnect the lower radiator hose at the water pump.
Release the clamp.
Remove the hose.
Fig. 20: Disconnecting Lower Radiator Hose At Water Pump
Courtesy of FORD MOTOR CO.
Remove the water pump pulley.
Fig. 21: Removing Water Pump Pulley
Courtesy of FORD MOTOR CO.
Remove the water pump and discard the gasket.
Fig. 22: Removing Water Pump
Courtesy of FORD MOTOR CO.
NOTE:Use metal surface cleaner and a suitable plastic or wooden scraper to clean the sealing surfaces.

To install, reverse the removal procedure.
Install a new water pump gasket.
Install an appropriately sized worm drive-type clamp in place of the constant tension clamp.
WATER PUMP - 4.6L
Material
MATERIAL SPECIFICATIONS
ItemSpecification
Motorcraft Premium Engine Coolant VC-4-AESE-M97B44-A
Motorcraft Premium Engine Coolant (Oregon Only) VC-5ESE-M97B44-A
Motorcraft Premium Engine Coolant (Canada Only) CXC-10ESE-M97B44-A

Removal and Installation
Drain the cooling system. For additional information, refer to COOLING SYSTEM DRAINING, FILLING AND BLEEDING.
Remove the engine cooling fan. For additional information, refer to COOLING FAN.
Loosen the water pump pulley bolts.
Fig. 23: Identifying Water Pump Pulley Bolts
Courtesy of FORD MOTOR CO.
Rotate the tensioner clockwise and remove the belt.
Fig. 24: Rotating Tensioner Clockwise
Courtesy of FORD MOTOR CO.
Remove the bolts and the water pump pulley.
Fig. 25: Removing Water Pump Pulley
Courtesy of FORD MOTOR CO.
Remove the water pump bolts.
Fig. 26: Removing Water Pump
Courtesy of FORD MOTOR CO.
Remove the (A) water pump from the (B) cylinder block.
Discard the O-ring seal.
Fig. 27: Removing Water Pump From Cylinder Block
Courtesy of FORD MOTOR CO.
To install, reverse the removal procedure.
Install a new O -ring seal and lubricate with engine coolant.

Let me know if you ned any of the diagrams
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Wednesday, March 17th, 2010 AT 4:48 AM

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