Hyundai Tucson Quiz
Four-Wheel Drive (4WD) System

Oil Hydraulic Motor (Drive)

In this manual: Four-Wheel Drive (4WD) System
General Information — 17Engine Mechanical System — 51Engine Electrical System — 26Emission Control System — 23Engine/Fuel Control System — 44Clutch System — 12MANUAL TRANSMISSION SYSTEM — 12AUTOMATIC TRANSMISSION SYSTEM — 42Four-Wheel Drive (4WD) System — 14Drive Shaft and Axle — 22Suspension System — 30Steering System — 16Restraint — 21Braking System — 47Body Work (Interior and Exterior) — 145Body Electrical System — 162Heating, Ventilation and Air Conditioning — 39
8steps
~48min
3/5difficulty
0102030405010.88N·mlb·ft
Tightening torque found on this page
Done 0 of 8

Description and Operation

Description

The 4WD ECU controls the hydraulic pump motor (drive) to generate oil pressure. The pressure engages the multi-plate clutch of the torque coupling to the rear wheels. The torque transmitted to the rear wheels depends on the clutch pressure.

Circuit Diagrams

Wiring Diagram

Repair Procedures

Inspection

Oil Hydraulic Motor (Drive) Inspection Procedure

DEPOSIT

  1. Remove the coupling. (Refer to Coupling - "Removal")
  2. Keep the coupling perpendicular after removal.
  3. Remove the hydraulic motor (A) after loosening the hex socket bolts.

REMEDY

  1. Before installation, wipe the surface clean with a clean cloth.
  2. Inspect the O-rings (A) of the new hydraulic motor (actuator).
  3. Tighten the bolts after installing the hydraulic motor (drive).

    Tightening torque: 8.8 - 10.8 N·m

  4. Wipe off the oil with a clean rag.
  5. Install the coupling. (Refer to Coupling - "Installation")

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