Ford diesel engines utilise a mechanical water pump to circulate engine coolant. Over time the seals inside the water pump can wear out and cause the pump to leak, subjecting the engine to overheating. A home mechanic can remove the water pump from a Ford diesel engine, but it may take some time due to the need to remove some other parts.
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Things you need
- Wrench set
- Socket set
- Waste-oil collection pan
- Phillips screwdriver
Disconnect both negative battery cables by loosening the retaining bolts and pulling the clamps off the terminal.
Drain the cooling system. Remove the radiator cap. Place a waste-oil collection pan underneath the petcock valve located on the lower left corner of the radiator. Open the valve with a wrench by turning it counterclockwise.
Remove the bolts that connect the radiator fan shroud to the radiator core support. Remove the fan shroud.
Remove the bolts that connect the fan and fan clutch to the water pump pulley. Then remove the fan and fan clutch from the vehicle. The fan clutch threads are left-handed. You must turn them clockwise to remove them.
Removing Other Parts
Remove the power steering drive belt. Loosen the adjusting bolt on the power steering pump and slide it toward the engine. Then remove the drive belt.
Remove the vacuum pump drive belt. Loosen the adjusting bolt and slide the vacuum pump toward the engine. Then remove the drive belt.
Remove the alternator drive belt. Loosen the adjusting bolt on the alternator and slide it toward the engine. Then remove the belt.
Removing Drive Belts
Remove the bolts that connect the water pump pulley to the water pump. Remove the pulley from the vehicle.
Disconnect the heater hose from the water pump. Using a Phillips screwdriver, loosen the hose clamp and pull the heater hose off the pump.
Remove the bolts that connect the alternator adjusting arm and bracket to the engine, and remove the adjusting arm and bracket from the vehicle.
Loosen the bolts that connect the power steering pump and bracket to the engine. Move the power steering pump out of the way. Do not disconnect the fluid lines from the pump.
Remove the bolts that connect the water pump to the front of the engine. Then remove the water pump from the vehicle.
Removing the Water Pump
Tips and warnings
- If you are installing a new water pump, you will have to transfer the heater hose fitting from the old pump to the new one.
- The scent of antifreeze is highly attractive to household pets. It is also highly toxic. Keep small children and pets away from antifreeze.
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