Kia Stinger: 4 Wheel Drive (AWD) System

Kia Stinger CK 2018-2024 Service Manual / 4 Wheel Drive (AWD) System

Special service tools

Special Service Tools

Tool Name / Number	Illustration	Description
Oil seal installer (Main Shaft) 0K473-J5100		Installation of transfer case oil seal (Main Shaft). Used with the handle (09231-H1100)
Oil seal installer (Rear Flange) 0K473-J5200		Installation of transfer case oil seal (Rear Flange). Used with the handle (09231-H1100)
Handle 09231-H1100		Installation of transaxle case oil seal. Used with the installer (0K473-J5100, 0K473-J5200)

Description and operation

Description

–	This system is to optimize driving performance through distributing the driving force to the front and rear wheels actively depending on the road condition and driving condition.

① Distribution of electronically controlled driving force

•	The magnitude of the driving force transmitted to the front wheel is variably controlled by fine-tuning the assembling torque on the electronic AWD transfer case (Multi disk) through recognizing the road condition and driving state from the sensor signals input to the AWD ECU.

② Mutual controlling with the related driving control system

•	It acquires the best performance in car driving through mutual controlling with brake system such as ABS and VDC.

•	The driving force transmitted from the engine and transmission to the transfer case is transmitted to the rear differential through the propeller shaft. It is transmitted to the front differential through the propeller shaft when the operation of AWD is required.

Structure of transfer case

–	The AWD ECU distributes the driving force to the front/rear wheel through controlling the multi plate clutch on the AWD transfer case by analyzing the input information, i.e. the wheel speed, accelerator and steering angle depending on the road condition and driving state.

Repair procedures

Adjustment

1. Introduction

It is necessary to check and input the calibration data and vehicle variant code when the controller is replaced as the characteristics of the internal frictional materials (clutch pack) change due to driving.

2. Creation condition and calibration method

1.	In case of replacing the transfer case (Coupling) assembly only.

2.	In case of replacing the ECU only.

3.	In case of replacing the transfer case and ECU.

4.	Perform the following procedure in case of the appearance of failure code (P182900, P183600).

Troubleshooting

Trouble shooting

Symptom	Expected cause	Countermeasure
Oil leakage	Oil leakage on connecting part of transfer case (①)	Adjustment or replacement, adjustment
	Oil leakage on under part of transfer case (①)	Adjustment or replacement, adjustment
	Oil leakage trace on connecting part of transmission (②)	Adjustment
	Oil leakage at assembly part of drive shaft (③)	Adjustment or replacement, adjustment
	Oil leakage trace around air bleeder (④)	Adjustment
	Upside down the oil seal main lip (②, ③)	Replacement
	Pushed aside oil seal (②, ③)	Replacement
	fallen out oil seal (②, ③)	Replacement
	Spline abrasion (check whether spline at transmission has abrasion or not)	Adjustment or replacement, adjustment
Noise	"Repeated clicking noise" noise while driving	Adjustment
	"Repeated tapping noise" noise from under the vehicle while full turn circling	Adjustment
	"Clunking noise" noise when the vehicle accelerate rapidly or braking rapidly. - Spline abrasion (check whether spline at transmission has abrasion or not)	Adjustment or replacement, adjustment

Area of leakage occuring	Area	Applied engine
① Connecting part/under part of transfer case ② Connecting part of transmission ③ Assembly part of drive shaft ④ Air bleeder part		R2.0/2.2 Theta 2.0/2.4 Nu 2.0
		Lambda 3.3/3.5 S 3.0

※ Range of "adjustment"

1.	Clean out the oil or trace of grease leakage

2.	Check whether engine or transmission has oil leakage and oil flow down or not.

3.	Check the parts that is related to trouble area.

AWD Control System

ATF Warmer

Description and operation Description • Engine coolant is used for circulating heat in order to heat and cool the transmission oil. • Rap ...

Specifications

Service data Service Data Item Specification Product name Transfer case Operation method Electronic a ...

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