Kia Stinger: 4 Wheel Drive (AWD) System

Kia Stinger CK 2018-2020 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.

1.

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.

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 ...

Other information:

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