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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Mechanical - 8.1L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Oil Pump Disassemble

Oil Pump Disassemble

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Oil Pump Driveshaft & Retainer
    GM427935Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The oil pump pipe has a press fit into the oil pump. DO NOT remove the pipe from the oil pump. The pipe and oil pump are serviced as a complete assembly.
  1. Remove the oil pump driveshaft and retainer.
    2. Fig 2: View Of Oil Pump Cover Bolts
    GM678105Courtesy of GENERAL MOTORS CORP.
  2. Remove the oil pump cover bolts.
    3. Fig 3: View Of Pump Cover
    GM678106Courtesy of GENERAL MOTORS CORP.
  3. Remove the pump cover.
    4. Fig 4: View Of Drive Gear & Driven Gear
    GM678107Courtesy of GENERAL MOTORS CORP.
  4. Remove the drive gear and the driven gear. Matchmark the gear teeth for assembly.
    5. Fig 5: View Of Pressure Relief Valve, Spring & Retaining Pin
    GM427947Courtesy of GENERAL MOTORS CORP.
  5. Remove the following items:
    1. The retaining pin
    2. The pressure relief valve spring
    3. The pressure relief valve
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