Hyundai Elantra: Automatic Transaxle Cooling System / ATF Warmer Repair procedures

Hyundai Elantra AD (2016-2020) Service Manual / Automatic Transaxle System / Automatic Transaxle Cooling System / ATF Warmer Repair procedures

Removal

1.	Remove the under cover. (Refer to Engine Mechanical System - "Engine room under cover")

2.	Loosen the drain plug and drain the engine coolant. (Refer to Cooling System - "Coolant")

3.	Disconnect the cooling hose (A) after separated the clamp.

Disconnect the hose (A) after removing the automatic transaxle fluid cooler hose clamp.

•	Carefully install the clamp not to damage the hose.

•	Install the clamp in a correct direction not to be interfered with other parts.

•	After the installation, start the engine and then check if there are any leakages from the hose.

Remove the ATF warmer (A) from the valve body cover.

Tightening torque:

7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)

Installation

1.	To install, reverse the removal procedure.

2.	Refill the engine with coolant. (Refer to Cooling System - "Coolant")

3.	After fluid level check, refill the automatic transaxle with fluid. (Refer to Hydraulic System - "Fluid")

ATF Warmer Components and Components Location

Components Location 1. Automatic transaxle2.ATF warmer3. Heater hose & pipe ...

Automatic Transaxle Control System

...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Transaxle Control Module (TCM) Repair procedures
Inspection Transaxle Control Module(TCM) Problem Inspection Procedure 1. TEST TCM GROUND CIRCUIT: Measure resistance between TCM and chassis ground using the backside of TCM harness connector as TCM side check point. If the problem is found, repair it. Specification: Below 1? 2. TE ...

Hyundai Elantra AD (2016-2020) Service Manual: Occupant Classification System (OCS) Description and Operation
Description In order to make normal activation of airbag system, SRSCM detects DTC(s) for the Occupant Classification System (OCS). If the seat is occupied, OCS detects passenger presences status and send signal to SRSCM via CAN. SRSCM recognizes the signal as 2(two) different classifica ...