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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 246 (Automatic Transaxle - 4T65-E - Overhaul) >> Repair Instructions >> Differential Carrier Disassemble (FWD Only) >> Disassembly Procedure

Disassembly Procedure

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    Fig 1: Using Screwdriver To Remove Front Differential Carrier Snap Ring
    GM10595Courtesy of GENERAL MOTORS CORP.
  1. Use a screwdriver in order to remove the snap ring (699) from the front differential carrier.
    2. Fig 2: Exploded View Of Pinion Gears, Washers and Bearings
    GM10596Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Keep all washers and bearings together with the planetary pinion gear and pin. The pinion gears, washers and bearings must be reinstalled in the original locations.
  2. Remove the first planetary pinion by removing the following parts:
    1. The planetary pinion gear pin (712)
    2. The pinion thrust washers (708)
    3. The pinion gear roller bearings (709)
    4. The bearing roller spacer (710)
    5. The pinion (711)
  3. Remove the remaining planetary pinions in the same way.
  4. Remove the differential carrier sun gear thrust bearing assembly (698).
    5. Fig 3: Ensuring Containment Of Final Drive Carrier Components
    GM10597Courtesy of GENERAL MOTORS CORP.
  5. Place the final drive carrier components into an oil pan in order to make sure that none of the bearing rollers are lost.
    6. Fig 4: Removing Differential Pinion Gear Shaft Pin With Drift Punch
    GM10598Courtesy of GENERAL MOTORS CORP.
  6. Use a drift punch and a mallet in order to remove the differential pinion gear shaft pin (702).
    7. Fig 5: Expanded View Of Differential Carrier Assembly
    GM10599Courtesy of GENERAL MOTORS CORP.
  7. Remove the differential pinion shaft (701).
  8. Remove the differential pinion gears (704).
  9. Remove the differential pinion gear thrust washers (703).
  10. Remove the differential side gears (705).
  11. Remove the differential side gear thrust washers (706).
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