GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Avalanche - 2WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 6L50/6L80/6L90 🢒 Transmission Fluid Filler Tube and Seal Replacement

Removal Procedure

    Object Number: 1284301 Size: SH
  1. Unlock the transmission oil level indicator.
  2. Remove the transmission oil level indicator.
  3. Remove the transmission. Refer to Transmission Replacement .

    4. Object Number: 1869804 Size: SH
  4. Remove the oil level indicator tube (1).
  5. Remove the seal (2) from the transmission.

Installation Procedure

    Object Number: 1869804 Size: SH
  1. Install a NEW seal (2) to the indicator tube.
  2. Install the oil level indicator tube (1).
  3. Install the transmission. Refer to Transmission Replacement .
  4. Lower the vehicle.
  5. Check the transmission fluid level. Refer to Transmission Fluid Check .

    6. Object Number: 1284301 Size: SH
  6. Install the transmission oil level indicator.
  7. Lock the transmission oil level indicator.