Reassembly: Diagnosis Kia Sorento I

INSPECTION

1. Check the engine coolant pump for cracks, damage or wear, and replace the pump assembly if necessary.
2. Check the bearing for damage, abnormal noise and sluggish rotation and replace the pump assembly if necessary.
3. Check the seal for leaks and replace the pump assembly if necessary.

Scheme 68

Scheme 69

1. Clean the gasket surfaces of the engine coolant pump body and the cylinder block.
2. Install the new engine coolant pump gasket and pump assembly. Tighten the bolts to the specified torque. Tightening torque Engine coolant pump bolt: Head mark "7": 17-22 N.m (170-220 kg. cm, 12-16 lb. ft)
3. Install the water pump fitting, the thermostat case and the water outlet fitting.
4. Install the auto tensioner and timing belt. Adjust the timing belt tension, then install the timing belt cover.
5. Install the driver belt, coolant pump pulley and then adjust the auto tensioner.
6. Refill the coolant.
7. Run the engine and check for leaks.

Scheme 70

Scheme 71

1. Disconnect the ground cable from the battery terminal.
2. Disconnect the fan motor connector.
3. Loosen the radiator drain plug to drain the coolant.
4. Disconnect the upper and lower hoses and overflow tube after marking the radiator hose and the hose clamp for reassembly reference. CAUTION: Cover or plug the hose and inlets of the radiator so that dust and other foreign material etc. cannot enter after the hose is disconnected from the radiator.
5. For vehicles with automatic transaxles, disconnect the oil cooler hoses from the automatic transaxle. Plug hoses and inlets to prevent fluid leakage.
6. Remove the air conditioner condenser fixing bolts and radiator bracket fixing nuts.
7. Remove the radiator and the fan motor.
8. Remove the radiator fan motor and condenser fan motor from the radiator.

1. Check for foreign material between the radiator fins.
2. Check the radiator fins for damage and straighten if necessary.
3. Check the radiator for corrosion, damage, rust or scale.
4. Check the radiator hoses for cracks, damage or deterioration.
5. Check the reservoir tank for damage.
6. Check the automatic transaxle oil cooler hoses for cracking, damage or deterioration (only A/T).

1. Check the radiator cap for damage, cracks or weakening.
2. Connect the tester to the radiator cap.
3. Increase the pressure until the indicator of the gauge stops moving.
4. Replace the radiator cap if the reading does not hold steady for about 10 seconds.

Scheme 72

1. Heat the thermostat as shown in the illustration.
2. Check that the valve operates properly.
3. Verify the temperature at which the valve begins to open.

Valve opening temperature: 80-84°C (176-183.2°F)

Full opening temperature: 95°C (203°C)

Scheme 73

Scheme 74

1. Check that the flange of the thermostat is correctly placed in the socket of the thermostat housing.
2. Install the inlet fitting. Tightening torque Engine coolant inlet fitting bolt: 17-20 N.m (170-200 kg. cm, 12-14 lb. ft)
3. Refill the coolant.

Scheme 75