Hyundai Santa Fe: Coupling Assembly / Oil hydraulic Motor(Actuator). Repair procedures

Hyundai Santa Fe (TM) 2019-2024 Service Manual / 4 Wheel Drive (4WD) System / Coupling Assembly / Oil hydraulic Motor(Actuator). Repair procedures

Inspection
  
•
If you have trouble code related to the oil hydraulic motor (actuator), check oil hydraulic motor (actuator) according to the inspection process.
Oil Hydraulic Motor (Actuator) Inspection Procedure

Removal
  
•
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 coupling assembly.
(Refer to 4 Wheel Drive (4WD) System - "Coupling Assembly")
2.
Keep going perpendicular state after remove the coupling assembly.
  
•
Keep going perpendicular state during remove (install) the hydraulic motor (actuators).

•
Use a tool (A) that allows the auxiliary operator to hold or seat the coupling in a vertical position.
•
So that the input shaft side (B) is not damaged.
3.
Remove the hydraulic motor (A) after loosening bolts with hex wrench.

  
•
Remove the hydraulic motor (actuators) after dropping residual oil as much as possible inside the coupling. (abut 5-10 sec)

Installation
1.
Before installation, wipe the surface with a clean cloth.
2.
Check the O-rings (A) of the new hydraulic motor (actuators).

  
•
You have to prevent any dust from entering inside hydraulic motors (actuators) and housing.
3.
Tighten the bolts after install the hydraulic motor.
  
•
When installing, motor connector (A) has to toward in the direction of outside of the coupling.
Tightening torque:
9.8 - 11.7 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.6 lb·ft)

  
•
When installing, oil can be reflux by the pressure in air breather hole (A).

•
Change direction in the direction of the arrow and lay on the floor as shown in the illustration.
※ The reflux oil will flow to the bottom.
•
You have to prevent additional backflow in according to order as shown in the illustration.

4.
Wipe the flowed oil to around the surface with a clean cloth.
5.
Install the coupling assembly.
(Refer to 4 Wheel Drive (4WD) System - "Coupling Assembly")

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