GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 CTS 🢒 Transmission 🢒 Automatic Transmission - 6L50/6L80/6L90 🢒 Transmission Output Shaft Seal Replacement

Transmission Output Shaft Seal Replacement All Wheel Drive


Object Number: 1657043 Size: MF

Callout

Component Name

Preliminary Procedures

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the exhaust system. Refer to Exhaust System Replacement.
  3. Remove the drive shaft. Refer to Rear Propeller Shaft Replacement.
  4. Support the transmission with a suitable jack.
  5. Remove the transmission mount assembly. Refer to Transmission Mount Replacement.
  6. Remove the transfer case. Refer to Transfer Case Assembly Replacement.

1

Output Shaft Seal

Procedure

    • Use the J 45000 to remove the seal. Use care in order to avoid scraping or gouging the output shaft bushing.
    • Lubricate the seal with clean transmission fluid.
    • Use the J 38693 to install the seal.

Special Tools

    •  J 38693 Seal Installer
    • J 45000 Seal Remover

Transmission Output Shaft Seal Replacement Rear Wheel Drive

Special Tools

    • J 45012 Holding Fixture
    • J 45000 Seal Remover
    • J 37212 Front Output Shaft Seal Installer

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the exhaust system. Refer to Exhaust System Replacement.
  3. Remove the drive shaft. Refer to Rear Propeller Shaft Replacement.
  4. Support the transmission with a suitable jack.
  5. Remove the transmission mount assembly. Refer to Transmission Mount Replacement.

    6. Object Number: 1850663 Size: SH
  6. Install the propeller shaft flange holding fixture J 45012 .

    7. Caution: Do not reuse the flange nut. Reusing the flange nut may cause damage to the transmission.

  7. Remove and discard the propeller shaft flange nut.
  8. Remove the propeller shaft flange.

    9. Note: Be careful not to scrape or gouge the case extension housing while removing the output shaft seal.


    Object Number: 1850666 Size: SH
  9. Use the J 45000 to remove the output shaft seal from the case extension housing.

Installation Procedure

    Object Number: 1850667 Size: SH
  1. Lubricate the new seal with clean transmission fluid.
  2. Use the J 37212 to install the output shaft seal to the case extension housing.

    3. Object Number: 1850665 Size: SH
  3. Install the prop shaft flange.

    4. Caution: Refer to Fastener Caution in the Preface section.

    Caution: Stake the flange nut onto the output shaft. Use the two staking grooves on the shaft to locate the staking points. Failure to stake the flange nut may result in damage to the transmission.

    Note: Use a NEW propeller shaft flange nut.

  4. Install the NEW propeller shaft flange nut and tighten to 105 N·m (77 lb ft).
  5. Remove the propeller shaft flange holding fixture J 45012 .
  6. Install the transmission mount assembly. Refer to Transmission Mount Replacement.
  7. Remove the transmission jack.
  8. Install the drive shaft. Refer to Rear Propeller Shaft Replacement.
  9. Install the exhaust system. Refer to Exhaust System Replacement.
  10. Lower the vehicle.