Kia Sorento: ATF Warmer Description - Hydraulic System - Automatic Transaxle System - Kia Sorento XM 2011-2019 Service ManualKia Sorento: ATF Warmer Description

Second Generation XM (2011-2019) / Kia Sorento XM 2011-2019 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.

Valve Body Installation
1. Install in the reverse order of removal.    Х ...

ATF Warmer Component Location
1. ATF Warmar 2. Bypass valve 3. ATF hose & pipe 4. Coolant hose & pipe ...

See also:

Removal
1. Remove the air duct. (Refer to Engine Mechanical System - "Air cleaner") 2. Remove the battery and the battery tray. ...

Intake Manifold Components
1. Intake manifold assembly 2. Electronic throttle body 3. Intake manifold stay 4. Intake manifold gasket ...

Alternator Reassembly
1. Reassemble in the reverse order of disassembly.    Х ...

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