Control Valve

WARNING: This page is about a different car, the 2003 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Check oil filter screen for damage. If any is found, replace with new one.

Fig 1: Inspecting Oil Filter Screen For Damage
Courtesy of NISSAN MOTOR CO., U.S.A.
Check resistance between terminals of 4WD solenoid valve, 2-4WD shift solenoid valve and transfer fluid temperature sensor.
Resistance: Refer to " COMPONENTS INSPECTION ".

Fig 2: Identifying 2WD Shift Solenoid Valve And 4WD Solenoid Valve
Courtesy of NISSAN MOTOR CO., U.S.A.
Check sliding faces of control valves and plugs for abnormality. If any is found, replace the control valve assembly with new one.
CAUTION: Replace control valve body together with clutch return spring as a set.

Control valve: Refer to SERVICE DATA AND SPECIFICATION (SDS) .

Fig 3: Identifying Overhaul Length
Courtesy of NISSAN MOTOR CO., U.S.A.
Check each control valve spring for damage or distortion, and also check its free length, outer diameter and wire diameter. If any damage or fatigue is found, replace control valve body with new one.
Replace control valve body together with clutch return spring as a set.
Inspection standard: Refer to SERVICE DATA AND SPECIFICATION (SDS) .

Fig 4: Checking Outer Diameter, Free Length And Wire Diameter Of Control Valve Spring
Courtesy of NISSAN MOTOR CO., U.S.A.