Extension Housing Rear Oil Seal (4L80-E): Installation
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 Chevrolet RV Cutaway, and 2002 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Lubricate the inside diameter of the new seal with assembly lubricant. Use the rear lubricant seal installer with a soft faced mallet to install the seal (2). See Fig 1 . Install the seal (2) to the extension housing (3). Install the propeller shaft. Remove the drain pan and lower the vehicle. Fill transmission with appropriate fluid to proper level. See LUBRICATION .