GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Astro - 4WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E/4L65-E 🢒 Transmission Fluid Filler Tube and Seal Replacement

Removal Procedure
  1. Remove the transmission fluid level indicator from the fluid fill tube.

    2. Object Number: 103669 Size: SH
  2. Remove the bolt securing the transmission fluid fill tube bracket to the engine.
  3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Remove the bolt securing the transmission fluid fill tube bracket to the transmission.
  5. Place a drain pan under the vehicle.
  6. Remove the transmission fluid fill tube from the transmission.
  7. Remove the transmission fill tube seal.

Installation Procedure

    Object Number: 103669 Size: SH
  1. Install a new oil level indicator tube seal into the transmission case.
  2. Install the oil level indicator tube into the seal.

    3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the bolt securing the oil level indicator tube bracket to the transmission.

    4. Tighten
    Tighten the bolt to 47 N·m (35 lb ft).

  4. Remove the drain pan from under the vehicle.
  5. Lower the vehicle.
  6. Install the bolt securing the oil level indicator tube bracket to the engine.

    7. Tighten
    Tighten the bolt to 6 N·m (53 lb in).

  7. Fill the transmission with DEXRON® III transmission fluid. Refer to Transmission Fluid Check .