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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 >> Removal Procedure

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
    2. Fig 1: Identifying Shift Control Linkage Rod
    GM1954218Courtesy of GENERAL MOTORS CORP.
  2. Remove the transmission manual shift shaft nut.
  3. Disconnect the shift linkage from the transmission.
  4. Place the transmission in neutral by rotating the transmission shift shaft clockwise 2 clicks.
  5. Remove the exhaust system. Refer to Exhaust System Replacement (LY7) or Exhaust System Replacement (L98) .
  6. Remove the propeller shaft coupler (1) from the transmission flange. Refer to Propeller Shaft Replacement .
    7. Fig 2: Identifying Special Tools - J 45012
    GM1956893Courtesy of GENERAL MOTORS CORP.
  7. Install J 45012  to the drive flange. See Special Tools .
  8. While holding J 45012  . See Special Tools . Loosen the drive flange nut using J 29873  . See Special Tools .
  9. Remove J 45012  from the drive flange. See Special Tools .
    10. Fig 3: Drive Flange Nut
    GM2048759Courtesy of GENERAL MOTORS CORP.
  10. Remove the drive flange nut (5).
  11. Remove the drive flange thrust washer (4).
  12. Remove the drive flange (2) using J 45019  . See Special Tools .
  13. Remove the drive flange O-ring seal (3) from the drive flange.
  14. Remove the output shaft assembly retainer (1).
    15. Fig 4: Identifying Special Tools - J 6125-1B And J 23129
    GM1994672Courtesy of GENERAL MOTORS CORP.
  15. Use J 6125-1B  and J 23129  (2&3) to remove the transmission case extension seal (1). See Special Tools .
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