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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1830 (Automatic Transaxle - 4T45-E - Introduction (2 Of 2)) >> Repair Instructions >> Repair Instructions - Off Vehicle >> Final Drive Assembly Disassemble

Final Drive Assembly Disassemble

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Final Drive Sun Gear
    GM1644747Courtesy of GENERAL MOTORS CORP.
  1. Remove the final drive sun gear (115).
    2. Fig 2: Differential Pinion Shaft Retaining Pin
    GM1644744Courtesy of GENERAL MOTORS CORP.
  2. Remove the differential pinion shaft retaining pin (704). Use a pin punch.
    3. Fig 3: Differential Pinion Shaft
    GM1644746Courtesy 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.
  3. Remove the differential pinion shaft (703).
    4. Fig 4: Identifying Differential Side & Pinion Gears
    GM20226Courtesy of GENERAL MOTORS CORP.
  4. Remove the differential pinion gears (707), thrust washers (706), the differential side gears (709), and the thrust washers (708).
    5. Fig 5: Identifying Carrier Thrust Bearing
    GM1644748Courtesy of GENERAL MOTORS CORP.
  5. Inspect the final drive sun gear to carrier thrust bearing (700).
  6. Inspect all pinions for excessive wear or bearing noise.
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