Durango 2WD V8-5.2L VIN Y (1999)
Automatic Belt Tensioner Assembly-3.9L/5.2L/5.9L Engines
11. Remove accessory drive belt as follows: The drive belt is equipped with a spring loaded automatic tensioner. Relax tension from belt by rotating
tensioner clockwise (as viewed from front). When all belt tension has been relaxed, remove accessory drive belt.
12. Remove four water pump pulley-to-water pump hub bolts and remove pulley from vehicle.
13. Remove lower radiator hose clamp and remove lower hose at water pump.
14. Remove heater hose clamp and heater hose from heater hose coolant return tube.
Coolant Return Tube-3.9L/5.2L/5.9L Engines-Typical
15. Loosen heater hose coolant return tube mounting bolt and remove tube from water pump. Discard the old tube O-ring.