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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 21 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Off-Vehicle Repair Instructions >> Oil Pump Disassemble

Oil Pump Disassemble

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Oil Pump Thrust Washer
    GM1552935Courtesy of GENERAL MOTORS CORP.
  1. Remove the thrust (pump to drum) washer (601).
  2. For pump assemblies with an ISS hole plug (248), remove plug bolt (247) and ISS hole plug (248).
  3. Remove the O-ring (249) and discard.
  4. Fig 2: Identifying Pump Cover Bolts
    GM1552936Courtesy of GENERAL MOTORS CORP.
  5. Remove the pump cover bolts (233).
  6. Remove the pump cover (215) from the pump body (200).