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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 82 (Steering System (Except Hybrid)) >> Basic Inspection >> Power Steering Oil Pump >> Inspection >> Relief Oil Pressure

Relief Oil Pressure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect the Tool between oil pump discharge connector and high-pressure hose. Bleed air from the hydraulic circuit while opening valve fully. Refer to AIR BLEEDING HYDRAULIC SYSTEM .
    G04887320Courtesy of
    Tool numbers : KV48103500 (J-26357)
    : KV48102500 (J-33914)
  2. Start engine. Run engine until power steering fluid temperature reaches 50° - 80°C (122° - 176°F).
    CAUTION:
    • Leave the valve of the hydraulic pressure gauge fully open while starting and running engine. If engine is started with the valve closed, the hydraulic pressure in oil pump goes up to the relief pressure along with unusual increase of fluid temperature.
    • Be sure to keep hose clear of belts and other parts when engine is started.
  3. Fully close the Tool valve with engine at idle and measure the relief oil pressure.
    Relief oil pressure : Refer to POWER STEERING OIL PUMP 
    CAUTION:

    Do not keep valve closed for 10 seconds or longer.

  4. Open the valve slowly after measuring. Replace oil pump if the relief oil pressure is outside the standard.
  5. After inspection, disconnect the Tool from hydraulic circuit, then add fluid and bleed air. Refer to AIR BLEEDING HYDRAULIC SYSTEM .