Hyundai Tucson: Cooling System / Thermostat Repair procedures

Hyundai Tucson (LM) 2010-2015 Service Manual / Engine Mechanical System / Cooling System / Thermostat Repair procedures

Removal and Installation

Disassembly of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. Do not remove the thermostat, even if the engine tends to overheat.

1.	Drain engine coolant so its level is below thermostat.

2.	Disconnect the radiator lower hose (A).

Remove water inlet fitting (A) and thermostat (B).

Tightening torque :

18.6 ~ 23.5 N.m (1.9 ~ 2.4 kgf.m, 13.7 ~ 17.4 lb-ft)

Installation is reverse order of removal.

•	Install the thermostat with the jiggle valve upward.

•	When assembling the thermostat, place the thermostat on the housing with a protrusion of thermostat matching with a groove of the housing and install the inlet fitting. Be careful the thermostat doesn’t get out of the groove on the housing.

•	Clean surface on the rubber packing contact surface.

5.	Fill the engine coolant.

6.	Start the engine and check for leaks.

7.	Recheck the coolant level.

Inspection

1.	Immerse the thermostat in water and gradually heat the water.

Check the valve opening temperature.

If the valve opening temperature is not as specified, replace the thermostat.

Valve opening temperature:

88 ± 1.5°C (190.4 ± 34.7°F)

Full opening temperature: 100°C (212°F)

Check the valve lift.

If the valve lift is not as specified, replace the thermostat.

Valve lift : 8 mm (0.3 in.) or more at 100°C (212°F)

Water pump Troubleshooting

Troubleshooting Water Pump SymptomsPossible CausesRemedyCoolant leakage • From the bleed hole of the water pump Visually check • Check leaks after about ten-minute warming up. • ...

Thermostat Troubleshooting

Troubleshooting SymptomsPossible CausesRemedyCoolant leakage • From the thermostat gasket Check the mounting bolts • Check the torque of the mounting bolts • Retighten the bo ...

Other information:

Hyundai Tucson (LM) 2010-2015 Service Manual: Front Seat Components and Components Location
Components 1. Headrest2. Headrest guide3. Seat back cover4. Seat back heater5. Seat back pad6. Power rumber support assembly7. Seat cushion cover8. Seat cushion heater9. Seat cushion pad10. Shield inner cover11. Front seat buckle12. Seat cushion frame assembly13. Connector bracket LH14. Shield ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Alternator Components and Components Location
Components 1. OAD (Overrunning Alternator Decoupler) pulley2. Front housing3. Front bearing4. Stator5. Rotor 6. Rear bearing 7. Rear housing 8. Rectifier assembly 9. Regulator assembly 10. Rear cover ...