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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 >> Removal Procedure

Removal 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.
  1. Drain the differential lubricant. Refer to Lubricant Change in Rear Drive Axle.
  2. Disconnect the clutch pump check valve electrical connector.
  3. Remove the clutch pump check valve mounting bolts (4, 5).
    Fig 1: Locating Clutch Pump Check Valve
    GM630684Courtesy of GENERAL MOTORS CORP.
  4. Remove the clutch pump check valve (3) by carefully pulling straight out of the differential carrier.
  5. Remove the O-ring seals (1, 2) from the valve. The O-ring seals may be reused if not cut or damaged.
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