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Oil Pump Disassemble

WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the oil pump driveshaft and oil pump driveshaft retainer.
    2. Fig 1: View Of Oil Pump Driveshaft & Oil Pump Driveshaft Retainer
    GM5274Courtesy 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 2: Removing Oil Pump Pipe
    GM5275Courtesy of GENERAL MOTORS CORP.
  3. Remove the oil pump cover bolts.
    4. Fig 3: View Of Oil Pump Cover Bolts
    GM5276Courtesy of GENERAL MOTORS CORP.
  4. Remove the oil pump cover.
    5. Fig 4: View Of Oil Pump Cover
    GM5277Courtesy of GENERAL MOTORS CORP.
  5. Remove the oil pump drive gear and the oil pump driven gear.
    6. Fig 5: View Of Oil Pump Drive Gear & Driven Gear
    GM5278Courtesy of GENERAL MOTORS CORP.
  6. Matchmark the gear teeth for assembly.
    7. 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
    8. Fig 6: View Of Oil Pump Pressure Relief Valve, Spring & Spring Straight Pin
    GM30401Courtesy of GENERAL MOTORS CORP.
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