Grand Cherokee 2WD V8-5.2L VIN Y (1998)
10. Remove four water pump pulley-to-water pump hub bolts and remove pulley from vehicle.
11. Remove lower radiator hose clamp and remove lower hose at water pump.
12. Remove heater hose clamp and heater hose from heater hose coolant return tube.
13. Loosen heater hose coolant return tube mounting bolt and nut and remove tube from water pump. Discard the old tube O-ring.
14. Remove seven water pump mounting bolts.
