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Home >> Pontiac >> 2008 >> G8 Base >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 5L40-E/5L50-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Repair Instructions - On Vehicle >> Drive Flange and Seal Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Identifying Transmission Case Extension Seal
    GM1956858Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Install the seal onto the tool before installing into the case to prevent damage to the seal.
  1. Using J 44765  (2) install the NEW transmission case extension seal (1). See Special Tools .
    2. Fig 2: Output Shaft Assembly Retainer
    GM2048759Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Position the retainer on the end of the output shaft splines. The retainer will be pushed to the correct depth as the drive flange is installed onto the output shaft.
  2. Install a NEW output shaft assembly retainer (1).
  3. Install a NEW drive flange O-ring seal (3) into the drive flange (2).
  4. Install the drive flange (2) to the transmission output shaft.
    5. IMPORTANT: Install the NEW drive flange thrust washer (4) as shown in diagram.
  5. Install a NEW drive flange thrust washer (4).
  6. Apply Loctite 272 to the NEW drive flange nut threads.
  7. Start the NEW drive flange nut (5).
    8. Fig 3: Identifying Special Tools - J 45012
    GM1956893Courtesy of GENERAL MOTORS CORP.
  8. Install J 45012  to the drive flange. See Special Tools .
    9. NOTE: Refer to Fastener Notice .
  9. While holding J 45012  tighten the NEW drive flange nut using J 29873  . See Special Tools .

    Tighten:  Tighten the drive flange nut to 60 N.m (44 lb. ft).

  10. Remove J 45012  from the drive flange. See Special Tools .
    11. Fig 4: Propeller Shaft
    GM1956860Courtesy of GENERAL MOTORS CORP.
  11. Install the propeller shaft. Refer to Propeller Shaft Replacement .
  12. Install the exhaust system. Refer to Exhaust System Replacement (LY7) or Exhaust System Replacement (L98) .
    13. Fig 5: Identifying Shift Control Linkage Rod
    GM1954218Courtesy of GENERAL MOTORS CORP.
  13. Place the transmission in the park position by rotating the selector lever shaft fully counter clockwise.
  14. Connect the selector lever linkage to the transmission.
  15. Install the transmission manual shift shaft nut.

    Tighten:  Tighten the transmission manual shift shaft nut to 9 N.m (80 lb. in).

  16. Check the transmission fluid level. Refer to Transmission Fluid Check .
  17. Lower the vehicle.
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