Kia Sorento: ATF Warmer Description
Second Generation XM (2011-2024) / Kia Sorento XM 2011-2024 Service Manual / Automatic Transaxle System / Hydraulic System / ATF Warmer Description
The ATF warmer is mounted on the valve body cover to reduce oil viscosity
friction by increasing oil temperature under cold condition, which in turn improves
fuel efficiency. It is serial mounted on the entry of the Electronic Throttle
Controller (ETC), as shown in the diagram, and minimizes the effects of cabin
heating system.
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Engine coolant is used for circulating heat in order to heat and
cool the transaxle oil.
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Rapidly elevates the transaxle oil temperature during the initial
cold start of the engine.
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Prevents over heating of the transaxle oil while the vehicle is
moving.
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Transaxle oil warm-up and cooling can be done with a single system.
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The water coolant and oil are separate in order to exchange heat.
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Valve Body Installation
1.
Install in the reverse order of removal.
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ATF Warmer Component Location
1. ATF Warmar
2. Bypass valve
3. ATF hose & pipe
4. Coolant hose & pipe
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See also:
ESC Control Module Removal
1.
Turn the ignition switch OFF.
2.
Remove the surge tank. [G3.3 GDI]
(Refer to Engine Mechanical System - "Surge Tank")
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Troubleshooting
Symptom
Suspect area
Engine will not start or stuggle to start
Vapor hose damaged or disconnected
Engine stuggle to start
Malfunction of the Purge ...
Power Seat Control Switch Installation
1.
Install the power seat control switch after connecting the connector.
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