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Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Automatic Transmission - 4T65-E - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Front Differential Carrier End Play Check (FWD Only) >> Check

Front Differential Carrier End Play Check (FWD Only): Check

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Case Extension Assembly & Bolts
    GM10517Courtesy of GENERAL MOTORS CORP.
  1. If the final drive assembly (700) has been removed it must be reinstalled.
  2. Make sure that the thrust washer (714) and the bearing (715) are still on the differential carrier.
  3. Install the case extension seal (8) onto the case extension (6).
  4. Install the case extension assembly (6) onto the transmission case.
    5. CAUTION: Refer to Fastener Caution .
  5. Install only 2 of the 4 case extension bolts (5). Do not torque the bolts. Tighten them only until the case extension is fully seated.
    6. Fig 2: View Of J 25025-8, J 26958-10A And J 8001 On Transmission Case
    GM10520Courtesy of GENERAL MOTORS CORP.
  6. Position the transmission so that the case extension is facing upward.
  7. Install J-25025-8:  mounting post, J-26958-10B:  adapter plug, and J-8001:  dial indicator set.
  8. Set the dial indicator to zero.
    9. CAUTION: Use a piece of wood or rubber while prying with J 28585 or a large screwdriver, to prevent damage to VSS bore.
  9. Use J-28585:  snap ring remover or a large screwdriver in order to lift the differential carrier. Pry up on the vehicle speed sensor reluctor wheel through the sensor hole in the case extension.
    10. Fig 3: Identifying Differential Carrier/Case Thrust Washer
    GM10522Courtesy of GENERAL MOTORS CORP.
  10. Note the dial indicator reading before changing the carrier thrust washer (714).
    • If the dial indicator reading is less than 0.12 mm (0.005 in), install the next smaller size thrust washer, then recheck.
    • If the dial indicator reading is greater than 0.62 mm (0.025 in), install the next larger size thrust washer, then recheck.
    • If the dial indicator reading is 0.12-0.62 mm (0.005-0.025 in), the thrust washer is correct.

      Refer to the Differential Carrier/Case Thrust Washer (714) Selection Guide in End Play Specifications .

  11. Remove J-8001:  dial indicator set, J-25025-8:  mounting post and J-26958-10B:  adapter plug.
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