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Kia Rio: Inspection - Cooling System - Engine Mechanical System - Kia Rio UB 2012-2020 Service ManualKia Rio: Inspection

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


2.
Check the valve opening temperature.

Valve opening temperature : 821.5C (179.62.7F)
Full opening temperature : 95C (203F)

If the valve opening temperature is not as specified, replace the thermostat.
3.
Check the valve lift.

Valve lift : 8mm(0.3in) or more at 95C (203F)

If the valve lift is not as specified, replace the thermostat.
Thermostat: Removal
   Disassembly of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. ...
Thermostat: Installation
1. Place the thermostat in the block. Install the thermostat (B) with the jiggle valve upward. 2. Install the water inlet fitting (A). ...
See also:

Smart key unit Removal
Smart key unit [USA] 1. Disconnect the negative(-) battery terminal. 2. Remove the smart key unit (A) after disconnecting the c ...

Spark Plug: Inspection
[On vehicle inspection] 1. Accelerate the engine to about 3,000 rpm 3 times or more. 2. Remove the spark plug. ...

Signal Waveform
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