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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 39 (AUTOMATIC TRANSAXLE OVERHAUL & TESTING - 4T65-E)TRANSAXLE DISASSEMBLYTRANSFER CASE REMOVAL
1999 GMC Forward Control 5.7 R, Automatic

Transfer Case Removal

1999 GMC Forward Control 5.7 R, AutomaticSECTION Transfer Case Removal
WARNING: This page does not describe the selected car, but rather 43 other vehicles, including the 2003 Pontiac Montana, 2003 Pontiac Grand Prix, 2003 Pontiac Bonneville, 2003 Pontiac Aztek, and 2003 Oldsmobile Silhouette. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: ATF circulates between transaxle and transfer case. In situations where transaxle related failures circulate debris into transfer case, transfer case must be disassembled, cleaned, and inspected for damage.
  1. Remove output shaft snap ring. See Fig 1. Rotate transaxle 90 degrees. Remove transfer case lower brace bolt. See Fig 2. Rotate transaxle 90 degrees.
  2. Remove transfer case side brace. See Fig 3. Remove transfer case-to-transaxle bolts. See Fig 4.
    3. CAUTION: During transfer case/output shaft removal, DO NOT use excessive force or damage to bushings may occur.
  3. Remove transfer case assembly from transaxle. See Fig 5. Remove transfer case lower brace. See Fig 6. Remove case extension seal from transfer case. See Fig 7.
  4. Position transaxle with case side cover facing down. Remove oil dam from transaxle. See Fig 8. Install transfer case assembly onto Holding Fixture (J 44755). See Fig 9.
  5. Using Slide Hammer (J-6125-1B) and Adapter (J-44467), remove output shaft. See Fig 10. Remove final drive sun gear. See Fig 11.
  6. Remove sun gear thrust washer from transaxle. See Fig 12. Remove parking gear and thrust bearing. See Fig 13. Remove final drive sun gear shaft. See Fig 14.
Fig 1: Locating Output Shaft Snap Ring
G00057586Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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