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Home >> Saturn >> 2002 >> L200 Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 269 (Automatic Transaxle - 4T40-E/4T45-E - Service, Repair, Removal & Installation) >> Repair Instructions >> Final Drive Assembly Disassemble

Final Drive Assembly Disassemble

WARNING: This page is about a different car, the 2003 Saturn LW300, 2003 Saturn LW200, 2003 Saturn L300, and 2003 Saturn L200. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the differential pinion shaft retaining pin (704). Use a pin punch.
    Fig 1: Removing Differential Pinion Shaft Retaining Pin
    GM20222Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: If the pinion gears are removed, place the final drive carrier into a clean transmission oil pan in order to prevent losing the needle bearings.
  2. Remove the differential pinion shaft (703).
    Fig 2: Identifying Differential Pinion Shaft
    GM20224Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The snap ring (57) is not reusable. Discard the snap ring (57).
  3. Remove the snap ring (57) from the end of the output shaft (94).
    Fig 3: Locating Output Shaft Snap Ring
    GM20225Courtesy of GENERAL MOTORS CORP.
  4. Remove the output shaft (94) from the differential carrier (702).
  5. Remove the final drive sun gear (115).
  6. Remove the differential pinion gears (707) and the thrust washers (706).
    Fig 4: Identifying Differential Side & Pinion Gears
    GM20226Courtesy of GENERAL MOTORS CORP.
  7. Remove the differential side gears (709) and the thrust washers (708).
  8. Remove the final drive carrier spiral retaining ring (701).
    Fig 5: Locating Final Drive Carrier Spiral Retaining Ring
    GM20227Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: When removing the pinion gears, note the orientation. You must install the pinion gears in the same direction in which you removed the pinion gears. If you install the pinion gear upside down, the change in set wear patterns will cause a noise condition.
  9. Remove the four planet pinion pins (714).
  10. Remove the four pinion gears (711).
  11. Remove the pinion thrust washers (710).
  12. Remove the needle roller bearings (712).
  13. Remove the needle bearing spacers (713).
  14. Remove the final drive sun gear to carrier thrust bearing (700).
    15. Fig 6: Removing/Installing Pinion Gears & Final Drive Sun Gear-To-Carrier Thrust Bearing
    GM20228Courtesy of GENERAL MOTORS CORP.
  15. Inspect the needle bearings (712), the thrust washers (710), the pinion gears (711), and the planet pinion pins (714) for excessive wear. Polishing is a normal condition for the pinion pins and the needle bearings.
    Fig 7: Inspecting Pinion Gear Assemblies
    GM25501Courtesy of GENERAL MOTORS CORP.
  16. Inspect the pinion shaft (714) for spalling or for wear.
  17. Inspect the thrust washers (710) for wear and for cracks.
  18. Clean and dry the final drive carrier and the final drive components.
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