Kia Carens: Cooling System / Thermostat Repair procedures
Disassembly of the thermostat would have an adverse effect, causing
a lowering of cooling efficiency.
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1. |
Drain engine coolant so that its level would be under the thermostat
height.
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2. |
Remove the radiator lower hose.
(Refer to Cooling System - "Radiator Hose")
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3. |
Remove the water inlet fitting (A) and thermostat (B).

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1. |
Immerse thermostat in water heated to over 95°C (203°F), then heat
for at least 3 minutes to check valve lift.

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Do not use water below 95°C (203°F).
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•
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Do not directly heat unit as this will damage thermostat.
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2. |
Check the valve opening temperature.
Valve opening temperature:
82±1.5°C (179.6±2.7°F)
Full opening temperature: 95°C (203°F)
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If the valve opening temperature is not as specified, replace the thermostat.
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3. |
Check the valve lift.
Valve lift : 8mm(0.3in) or more at 95°C (203°F)
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If the valve lift is not as specified, replace the thermostat.
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1. |
Place the thermostat in the block.
Install the thermostat (B) with the jiggle valve upward.
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2. |
Install the water inlet fitting (A).
Tightening torque :
18.6 ~ 23.5N.m (1.9 ~ 2.4kgf.m, 13.7 ~ 17.4lb-ft)
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3. |
Fill with engine coolant.
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4. |
Start engine and check for leaks.
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Components
1. Water inlet fitting
2. Thermostat
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Troubleshooting
Symptoms
Possible Causes
Remedy
Coolant leakage
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From the thermostat ...
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