Kia Forte: Thermostat Removal and Installation

Second generation YD (2014-2018) / Kia Forte TD 2014-2018 Service Manual / Engine Mechanical System / Cooling System / Thermostat 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. (Refer to Cooling System - “Radiator Hose”)

Remove the 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)

4.	Remove the intake manifold. (Refer to Intake and Exhaust System - "Intake Manifold")

5.	Remove the bypass hose (A).

Unfasten the heater pipe mounting bolts (B) and then remove the heater pipe.

Tightening torque :

19.6 ~ 23.5 N.m (2.0 ~ 2.4 kgf.m, 14.5 ~ 17.4 lb-ft)

Do not reuse the seal bolts.

Install in the 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.

8.	Fill the engine coolant.

9.	Start the engine and check for leaks.

10.	Recheck the coolant level.

Thermostat Components

1. Water inlet fitting 2. Thermostat 3. Bypass hose 4. Heater pipe & hose assembly ...

Thermostat Inspection

1. Immerse the thermostat in water and gradually heat the water. 2. Check the valve opening temperature. If the valve opening te ...

Kia Forte: Thermostat Removal and Installation

Thermostat Components

Thermostat Inspection

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