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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1143 (Drive Axle - Limited-Slip Differential) >> Repair Instructions >> Differential Clutch Pump Check Valve Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating Clutch Pump Check Valve
    GM630684Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Inspect the clutch pump check valve O-ring seals in order to ensure they are not cut or damaged. Replace cut or damaged O-ring seals with new seals.
  1. Lubricate the O-ring seals (1, 2) with synthetic gear oil GM P/N 12378514 (Canadian P/N 88901045) or equivalent.
  2. Install the O-ring seals to the valve.
  3. Install the clutch pump check valve to the differential carrier by carefully pushing the valve straight in until fully seated.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the clutch pump check valve mounting bolts (4, 5).

    Tighten:  Tighten the bolts to 10 N.m (89 lb in).

  5. Connect the clutch pump check valve electrical connector.
  6. Fill the rear differential lubricant. Refer to Lubricant Change in Rear Drive Axle.
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