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Differential Clutch Pump Check Valve: Removal

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the differential lubricant. See LUBRICATION  . Disconnect the clutch pump check valve electrical connector.
  2. Remove the clutch pump check valve mounting bolts. See Fig 1 . Remove the clutch pump check valve by carefully pulling straight out of the differential carrier. Remove the "O" ring seals from the valve. See Fig 1 .
  3. The "O" ring seals may be reused if not cut or damaged. If reinstalling original valve, inspect for damaged, loose, or missing pick up screen, damaged or missing "O" rings, damaged electrical connector, or oil passages restricted by dirt or debris.
Fig 1: Identifying Clutch Pump Check Valve
G00307743Courtesy of GENERAL MOTORS CORP.
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