Forward Servo (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 the following parts:
- Piston spring (1).
- Retainer (2).
- Servo piston (3).
- O-ring seal (4).
- Forward servo piston pin (5).
See Fig 1.
- Install the 6 forward servo gasket, cover, the 6 bolts and tighten the bolts to specification. See TORQUE SPECIFICATIONS .
- Install the oil pan and filter. See DRAINING & REFILLING under LUBRICATION. Lower the vehicle. Fill transmission with appropriate fluid to proper level. See LUBRICATION .