Hyundai Santa Fe: Automatic Transaxle System / Automatic Transaxle Fluid (ATF). Repair procedures

Hyundai Santa Fe (TM) 2019-2025 Service Manual / Automatic Transaxle System (SBC) / Automatic Transaxle System / Automatic Transaxle Fluid (ATF). Repair procedures

Automatic Transaxle Fluid (ATF) Level Check

  
•
When checking the oil level, be careful not to enter dust, foreign matters, etc. from fill hole.
•
Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.
(Refer to General Information - "Lift and Support Points")
1.
Remove the air duct and air cleaner.
(Refer to Engine Mechanical System - "Air Cleaner")
2.
Remove the eyebolt (A).
3.
Add ATF SP-IV 700cc to the ATF injection hole (A).
4.
Start the engine.
(Don’t step on brake and accelerator simultaneously.)
5.
Confirm that the temperature of the automatic transaxle oil temperature sensor is 50 - 60°C (122 - 140°F) with the diagnostic tool.
6.
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.
7.
Raise the vehicle, and make sure it is securely supported.
8.
Remove the engine room under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
9.
In case by ATF warmer, loosening the mounting bolts and then separate the ATF warmer (A).
Tightening torque :
9.8 - 11.7 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.6 lb-ft)

10.
Remove the ATF level check plug (A) from the valve body cover.

  
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At this time, the vehicle must be at a level state.
11.
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.
  
•
Excess : Drain quantity exceed 900cc for tow minutes. {50 - 60°C (122 - 140°F)}
•
Shortage : No ATF flows out of the overflow plug.
  
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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.
12.
Remove the engine room under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
13.
Put down the vehicle with the lift and then tighten the eyebolt (A).
Eyebolt tightening torque :
4.9 - 5.9 N.m (0.5 - 0.6 kgf.m, 3.6 - 4.3 lb.ft)

  
•
Replace the gasket (A) before reinstalling the eyebolt.
Replacement
  
ATF of 8 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
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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 30°C (86°F) .
•
Police, Taxi, Commercial type operation or trailer towing, etc.
  
•
Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.
(Refer to General Information - "Lift and Support Points")
1.
Remove the air duct and air cleaner assembly.
(Refer to Engine Mechanical System - "Air Cleaner")
2.
Remove the engine room under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
3.
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)

4.
Put down the vehicle with the lift and then remove the eyebolt (A).
5.
Add ATF SP-IV 700cc to the ATF injection hole (A).
6.
Check the ATF level.
(Refer to Automatic Transaxle System - "Automatic Transaxle Fluid (ATF)")
7.
Then finish check the ATF level procedure and install the under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
8.
Put down the vehicle with the lift and then tighten the eyebolt (A).
Eyebolt tightening torque :
4.9 - 5.9 N.m (0.5 - 0.6 kgf.m, 3.6 - 4.3 lb.ft)

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

    Automatic Transaxle Fluid (ATF). Components and components location

    Components Location 1. ATF Injection plug (Eyebolt) 2. ATF injection plug gasket 3. ATF level check plug 4...

    Hydraulic System

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    Other information:

    Hyundai Santa Fe (TM) 2019-2025 Service Manual: Troubleshooting


    Trouble Symptom Charts Trouble Symptom 1 Trouble Symptom 2 Trouble symptom Probable cause Remedy The set vehicle speed varies greatly upward or downward "Surging" (repeated alternating acceleration and deceleration) occurs after setting Malfunction of the vehicle speed sensor circuit Repair the vehicle speed sensor system, or replace the part Malfunction of ECM Check input and output signals at ECM Trouble Symptom 3 Trouble symptom Probable cause Remedy The CC system is not canceled when the brake pedal is depressed Damaged or disconnected wiring of the brake pedal switch Repair the harness or replace the brake pedal switch Malfunction of the ECM signals Check input and output signals at ECM Trouble Symptom 4 Trouble symptom Probable cause Remedy The CC system is not canceled when the shift lever is moved to the "N" position (It is canceled, however, when the brake pedal is depressed) Damaged or disconnected wiring of inhibitor switch input circuit Repair the harness or repair or replace the inhibitor switch Improper adjustment of inhibitor switch Malfunction of the ECM signals Check input and output signals at ECM Trouble Symptom 5 Trouble symptom Probable cause Remedy Cannot decelerate (coast) by using the "SET/–" switch Temporary damaged or disconnected wiring of "SET/–" switch input circuit Repair the harness or replace the "SET/–" switch Malfunction of the ECM signals Check input and output signals at ECM Trouble Symptom 6 Trouble symptom Probable cause Remedy Cannot accelerate or resume speed by using the "RES/+" switch Damaged or disconnected wiring, or short circuit, or "RES/+" switch input circuit Repair the harness or replace the "RES/+" switch Malfunction of the ECM signals Check input and output signals at ECM Trouble Symptom 7 Trouble symptom Probable cause Remedy CC system can be set while driving at a vehicle speed of less than 40km/h (25mph), or there is no automatic cancellation at that speed Malfunction of the vehicle-speed sensor circuit Repair the vehicle speed sensor system, or replace the part Malfunction of the ECM signals Check input and output signals at ECM Trouble Symptom 8 Trouble symptom Probable cause Remedy The cruise main switch indicator lamp does not illuminate (But CC system is normal) Damaged or disconnected bulb of cruise main switch indicator lamp Repair the harness or replace the part...

    Hyundai Santa Fe (TM) 2019-2025 Service Manual: Components and components location


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    Vehicle Identification Number (VIN). Vehicle certification label. Tire specification and pressure label

    Vehicle Identification Number (VIN)

    The vehicle identification number (VIN) is the number used in registering your vehicle and in all legal matters pertaining to its ownership, etc.

    The number is punched on the floor under the passenger seat. To check the number, open the cover.

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