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Oil Pump Disassemble

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Oil Pump Driveshaft & Oil Pump Driveshaft Retainer
    GM5274Courtesy of GENERAL MOTORS CORP.
  1. Remove the oil pump driveshaft and oil pump driveshaft retainer.
    2. Fig 2: View Of Oil Pump Pipe & Screen
    GM5275Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Do not remove the oil pump screen from the pipe. The pipe and oil pump screen are serviced as a complete assembly.
  2. Remove the oil pump pipe, if necessary. The oil pump pipe has a press fit into the oil pump cover.
    3. Fig 3: View Of Oil Pump Cover Bolts
    GM5276Courtesy of GENERAL MOTORS CORP.
  3. Remove the oil pump cover bolts.
    4. Fig 4: View Of Oil Pump Cover
    GM5277Courtesy of GENERAL MOTORS CORP.
  4. Remove the oil pump cover.
    5. Fig 5: View Of Oil Pump Drive Gear & Driven Gear
    GM5278Courtesy of GENERAL MOTORS CORP.
  5. Remove the oil pump drive gear and the oil pump driven gear.
  6. Matchmark the gear teeth for assembly.
    7. Fig 6: View Of Oil Pump Pressure Relief Valve, Spring & Spring Straight Pin
    GM30401Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to SAFETY GLASSES CAUTION in Cautions and Notices.
  7. Remove the following items:
    1. The oil pump pressure relief valve spring straight pin
    2. The oil pump pressure relief spring
    3. The oil pump pressure relief valve
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