Cherokee 4WD L6-4.0L VIN S (1998)
4. Loosen (but do not remove at this time) the four fan hub-to-water pump pulley mounting nuts.
5. Remove accessory drive belt.
6. Disconnect electric cooling fan connector (if equipped).
7. Unbolt fan shroud.
8. Remove the four fan hub-to-water pump pulley nuts and remove fan and shroud together.
CAUTION: After removing fan blade/viscous fan drive assembly, do not place thermal viscous fan drive in horizontal position. If stored
horizontally, silicone fluid in viscous fan drive could drain into its bearing assembly and contaminate lubricant.
Fig.21 Power Steering Pump Attachment-2.5L
9. Remove power steering pump and bracket.
10. Remove lower radiator hose from water pump. Remove heater hose from water pump pipe.
Fig.22 Water Pump Remove?Install-Typical
11. Remove the four pump mounting bolts and remove pump from vehicle. Discard old gasket. Note that one of the four bolts is longer than the other
bolts.
12. If pump is to be replaced, the heater hose fitting must be removed. Note position of fitting before trim rove 1
INSTALLATION-2.5L ENGINE (LHD/RHD)
1. If pump is being replaced, install the heater hose pipe to the pump. Use a sealant on the fitting such as Mopar Thread Sealant With Teflon.
2. Clean the gasket mating surfaces. If the original pump is used, remove any deposits or other foreign material. Inspect the cylinder block and water
pump mating surfaces for erosion or damage from cavitation.
