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ON-VEHICLE SERVICE TSB Revision POWER STEERING 37-22 CAUTION If the fluid level rises suddenly after the engine is stopped, mm (0.2 inch) when the engine is stopped. 10.If the change of the fluid level is 5 mm (0.2 inch) or more, the air has not been completely bled from the system. The OIL PUMP PRESSURE TEST M1372002300337 Required Special Tools: • MB990662: Power Steering Oil Pressure Gauge • MB991548: Power Steering Oil Pressure Gauge Adapter (Pump Side) • MB991549: Power Steering Oil Pressure Gauge Adapter (Hose Side) 1. Disconnect the pressure hose from the oil pump, and then connect special tools MB991548, MB990662 and 2. Bleed air, then turn the steering wheel several times while the vehicle is not moving so that the temperature of the fluid − 60°C (122 − 140°F). 3. Start the engine and idle it. CAUTION The pressure gauge shut-off valve must not remain closed measure the oil pump relief pressure to confirm that it is Standard value: 2.4L engine: 8.3 − 8.8 MPa (1,204 − 1,276 psi) 3.8L engine: 9.3 − 9.8 MPa (1,349 − 1,421 psi) 5. If it is not within the standard value, replace the oil pump. value when no-load conditions are created by fully opening Standard value: 0.8 − 1.0 MPa (116 − 145 psi) 7. If it is not within the standard value, the probable cause is a malfunction of the oil line or steering gear, so check these ACX01131 WHILE ENGINE AC FLUID LEVEL CHANGE:WITHIN 5 mm (0.2 in) WHILE ENGINE ACX01133 THERMO- RESERVOIR ADAPTER OIL ADAPTER AB SHUT-OFF VALVE PRESSURE |