Extension Housing Assembly (4L80-E): Installation
WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, and 2002 GMC C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- Install a new case extension O-ring seal. Install the case extension. See Fig 1.
- Install the case extension bolts. Tighten the case extension bolts to specification. See TORQUE SPECIFICATIONS . Install the transmission support and the transmission mount.
- Install the propeller shaft. See REMOVAL & INSTALLATION in appropriate DRIVE SHAFTS & UNIVERSAL JOINTS article in DRIVE AXLES. Remove the drain pan and the transmission jack. Lower the vehicle. Fill transmission with appropriate fluid to proper level. See LUBRICATION .