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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 Body Disassemble

Oil Pump Body Disassemble

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Removing Pump Slide Outer Spring
    GM1462831Courtesy of GENERAL MOTORS CORP.
  1. Remove the pump slide outer spring (245).
  2. Place a rag over the spring while removing to prevent the spring from flying out.
    3. Fig 2: Identifying Pump Vane Ring, Rotor Guide & Rotor
    GM1552937Courtesy of GENERAL MOTORS CORP.
  3. Remove the oil pump rotor (212) and pump vane rings (210).
  4. Remove the pump vanes (213).
  5. Remove the rotor guide (211).
    6. Fig 3: Identifying Oil Pump Slide, Pump Slide Support Seal & Pump Slide Seal
    GM1552938Courtesy of GENERAL MOTORS CORP.
  6. Remove the pump slide (203), pump slide support seal (208) and the pump slide seal (209).
  7. Remove the slide seal back-up O-ring seal (202) and the oil seal - slide to wear plate, ring (201).
  8. Remove the pivot slide pin (205) and the pivot pin spring (204).
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