Hyundai Elantra: Hydraulic System / Fluid Repair procedures

Hyundai Elantra AD (2016-2020) Service Manual / Automatic Transaxle System / Hydraulic System / Fluid Repair procedures

Service Adjustment Procedure

ATF level Check

•	A check of ATF level is not normally required during scheduled services. If an ATF leak is found, perform the ATF level check procedure after repairs are completed.

•	When checking the oil level, be careful not to enter dust, foreign matters, etc. from fill hole.

1.	Remove the eyebolt (A).

2.	Add ATF SP-IV 700cc to the ATF injection hole (A).

3.	Start the engine. (Don’t step on brake and accelerator simultaneously.)

4.	Confirm that the temperature of the automatic transaxle oil temperature sensor is 50 ~ 60°C (122 ~ 140°F) with the GDS.

Shift the select lever slowly from “P” to “D”, then “D” to “P” and repeat one more at idle.

•	Pause at each gear position more than 2 seconds.

6.	Lift the vehicle, then remove the under cover. (Refer to Engine Mechanical System - "Engine room under cover")

Remove the ATF level check plug (A) from the valve body cover.

•	At this time, the vehicle must be at a level state.

If the ATF flows out of the overflow plug in thin steady stream, the ATF level is correct.

Then finish the procedure and tighten the ATF level check plug.

Oil level check (excess or shortage) method

•	Excess: Drain quantity exceed 900cc for tow minutes.{50 ~ 60°C (122 ~ 140°F)}

•	Shortage: No ATF flows out of the overflow plug.

•	Replace the gasket before reinstalling the ATF level check plug.

•	Turn the oil level check plug clockwise until it is set.

•

If there is no damage at the automatic transaxle and the ATF cooler, the ATF cooler hose, transaxle case, valve body tightening state are normal, ATF must drip out after performing above 1 to 7 procedures. After performing above 1 to 7 procedures, if the oil doesn’t drip out, inspect the automatic transaxle assembly.

9.	Install the under cover. (Refer to Engine Mechanical System - "Engine room under cover")

10.

Put down the vehicle with the lift and then tighten the eyebolt.

•	Replace the gasket (A) before reinstalling the eyebolt.

Replacement

ATF of 6 speed automatic transaxle doesn’t be replaced. But, if the vehicle is severe use or business use, replace ATF every 60,000 miles for severe usage.

Severe usage is defined as

•	Driving in rough road (Bumpy, Gravel, Snowy, Unpaved road, etc).

•	Driving in mountain road, ascent/descent.

•	Repetition of short distance driving.

•	More than 50% operation in heavy city traffic during hot weather above 32°C(89.6°F) .

•	Police, Taxi, Commercial type operation or trailer towing, etc.

1.	Lift the vehicle, then remove the under cover. (Refer to Engine Mechanical System - "Engine room under cover")

Remove the drain plug (A) and reinstall the drain plug after draining ATF totally.

•	Replace the gasket before reinstalling the drain plug.

Drain plug tightening torque:

33.3 ~ 43.1 N.m (3.4 ~ 4.4 kgf.m, 24.6 ~ 31.8 lb-ft)

3.	Put down the vehicle with the lift and then remove the eyebolt (A).

4.	Fill the ATF about 5 liters to the injection hole.

5.	Check the ATF level. (Refer to Hydraulic System - "Fluid")

6.	Then finish check the ATF level procedure and install the under cover. (Refer to Engine Mechanical System - "Engine room under cover")

Put down the vehicle with the lift and then tighten the eyebolt.

•	Replace the gasket (A) before reinstalling the eyebolt.

Fluid Components and Components Location

Components Location 1. Automatic transaxle2. Drain plug gasket3. Drain plug4. ATF level check plug5. ATF level check plug gasket6. ATF injection plug O-Ring7. ATF injection plug (Eyebolt) ...

Valve Body System

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