Explorer Patriot 430, Service Manual

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Water Pump
Check water pump seal / cooling
system divulges inspection
Disassembles the refrigerant drain bolt,
overflows little buckles the actually fluid,
confirmed overflows the refrigerant whether
has the greasy dirt.
Turns on the engine oil gauge rule, the
inspection engine oil whether does have
bleaches situation of the emulsified.
If has the above two kind of interior to divulge
the phenomenon, possibly for the water pump
inner two seal damages, the engine cooling
system damages or the cylinder and the
cylinder head gasket damages, please first
dismantles the right crank case to confirms
the replacement water pump seal, if does not
have the question to take apart for overhaul
cooling system of system again the cylinder
head, the cylinder.
Removal of water pump
Loosen the drain bolt to drain out the coolant.
Remove the water hose.
Loosen 4 bolts and remove the pump cover.
Loosen 9 bolts and remove the right cover.
Take off the gasket and dowel pins.
Turn pump impeller clockwise and remove.
Caution
The impeller is provided with left turn thread.
Remove the cir clip from the right crankcase
cover.
Remove the water pump shaft and the inner
bearing.
Remove the outside bearing by inner bearing
puller.
Rotate the inner ring of bearing, the bearing
shall move smoothly and quietly.
If the bearing does not rotate smoothly or
produces a noise, replace it with new one.
Special tool:
Inner bearing puller