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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 132 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Introduction (2 Of 2)) >> Repair Instructions >> Repair Instructions - Off Vehicle >> Oil Pump Body Disassemble

Oil Pump Body Disassemble

WARNING: This page is about a different car, the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of 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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