Transfer Clutch Pressure Test: Inspection
- Lift up the vehicle.
- Remove the rear exhaust pipe from center exhaust pipe.
- Remove the center exhaust cover.
- Set the transmission jack under the transmission.
- Remove the mounting bolt of rear crossmember.
- Lower the rear side of transmission until the transfer clutch pressure test plug can be removed.
- Remove the transfer clutch pressure test plug.
- Set the ST1, ST2, ST3 and ST4 to the transmission.NOTE:
- Use ST1 ADAPTER HOSE B with genuine union screw (part No. 801914010) and gasket (part No. 803914060) attached.
- Use ST3 PRESSURE GAUGE ADAPTER with genuine O-ring (part No. 806911080) attached.
ST1 34099AC020 ADAPTER HOSE B
ST2 34099AC010 ADAPTER HOSE A
ST3 18681AA000 PRESSURE GAUGE ADAPTER
ST4 498575400 OIL PRESSURE GAUGE ASSY
Courtesy of SUBARU OF AMERICA, INC.
- Raise the transmission, and install the rear crossmember.
Tightening torque:
75 N.m (7.6 kgf-m, 55.3 ft-lb)
- Install the rear exhaust pipe to center exhaust pipe.
Tightening torque:
18 N.m (1.8 kgf-m, 13.3 ft-lb)
- Lower the vehicle.
- Connect the Subaru Select Monitor to the data link connector and read the current data.
- Check the transfer clutch pressure as in secondary pressure (line pressure) test. Refer to
SECONDARY PRESSURE (LINE PRESSURE) TEST .NOTE:
- Use Subaru Select Monitor for switching to FWD mode. Refer to AWD ON/OFF SWITCHING MODE .
- If no oil pressure is produced, if it does not change in AWD mode or if oil pressure is produced in FWD mode, there may be a problem in the control valve body.
Range position ON Duty ratio (%) Accelerator pedal opening angle (%) Standard transfer clutch pressure kPa (kgf/cm2 , psi) AWD mode FWD mode D 95 - 100 Fully opened (100) 1, 000 - 1, 200
(10.2 - 12.2,
145 - 174)- 60 Adjust ON Duty ratio to 60%. 400 - 700
(4.1 - 7.1,
58 - 102)- 0 Fully closed (0) - 0 (0, 0) N or P 0 Fully closed (0) 0 - - Lift up the vehicle.
- Remove the rear exhaust pipe from center exhaust pipe.
- Set the transmission jack under the transmission.
- Remove the mounting bolt of rear crossmember.
- Lower the rear side of transmission until the ST can be removed.
- Remove the ST and install the plug.NOTE:
- Use new O-rings.
- Apply CVTF to the O-ring.
Tightening torque:
25 N.m (2.5 kgf-m, 18.4 ft-lb)
- Raise the transmission, and install the rear crossmember.
Tightening torque:
70 N.m (7.1 kgf-m, 51.6 ft-lb)
- Install the center exhaust cover.
Tightening torque:
18 N.m (1.8 kgf-m, 13.3 ft-lb)
- Install the rear exhaust pipe to center exhaust pipe.NOTE: Use a new gasket.
Tightening torque:
18 N.m (1.8 kgf-m, 13.3 ft-lb)
- Lower the vehicle.