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Ray M.
Ray M., Ford Master Tech
Category: Ford
Satisfied Customers: 3018
Experience:  30+ years in trade, Ford Master Tech, Journeyman Automotive Tech
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Replacing Water Pump on 4.2 Liter Engine. What is the process?

Customer Question

Replacing Water Pump on 4.2 Liter Engine. What is the process?
Submitted: 8 years ago.
Category: Ford
Expert:  Ray M. replied 8 years ago.
Does it have air conditioning?
Expert:  Ray M. replied 8 years ago.
SECTION 303-03A: Engine Cooling1999 F-150/250 Workshop Manual
REMOVAL AND INSTALLATIONProcedure revision date: 02/03/1999

Water Pump

Removal

  1. Drain the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding in this section.
  1. Remove the engine cooling fan (8K620) and fan shroud (8146). For additional information, refer to Fan-Blade, Clutch and Shroud in this section.
  1. Remove the drive belt (8620). For additional information, refer to Section 303-05.
  1. Remove the water pump pulley (8509).
    1. Remove the bolts.
    1. Remove the water pump pulley.
  1. On the 4.2L engine only, remove the upper radiator hose (8260) from the water pump (8501). For additional information, refer to Hose-Upper, 4.2L in this section.
  1. Remove the water pump bolts.
  1. Remove the (A) water pump from the (B) cylinder block (6010).
    • Clean and inspect the mating surfaces.

Installation

  1. Install the water pump.
    1. Lubricate and install the O-ring seal.
      • Use Premium Engine Coolant (green in color) E2FZ-19549-AA, E2FZ-19549-B, (in Oregon, F5FZ-19549-CC, in Canada, Motorcraft CXC-8-B) or equivalent meeting Ford specification ESE-M97B44-A.
    1. Position the (A) water pump on the (B) engine.
    1. Loosely install the bolts.
  1. Tighten the bolts in the sequence shown.
  1. Position the (A) water pump pulley on the (B) water pump and loosely install the bolts.
  1. Tighten the bolts in the sequence shown.
  1. On the 4.2L engine only, install the upper radiator hose on the water pump. Refer to Hose-Upper, 4.2L in this section.
  1. Install the drive belt. For additional information, refer to Section 303-05.
  1. Install the engine cooling fan and fan shroud. For additional information, refer to Fan-Blade, Clutch and Shroud in this section.
  1. Fill the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding in this section.