Control & Shift Solenoids (4L60-E): Removal
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.
- Remove the transmission oil pan and filter. See DRAINING & REFILLING under LUBRICATION.
- Remove the 1-2 accumulator if necessary. See ACCUMULATOR ASSEMBLY (4L60-E) .
- Disconnect the internal wiring harness electrical connectors from the following components:
- Transmission fluid pressure switch. See Figure.
- 1-2 shift control solenoid.
- 2-3 shift control solenoid.
- Pressure control solenoid.
- 3-2 shift control solenoid.
- TCC PWM solenoid.
- Remove the pressure control solenoid retainer. Remove the pressure control solenoid. See Figure.
- Remove the 1-2 and 2-3 shift control solenoid retainers. Remove the 1-2 and 2-3 shift control solenoids. See Figure.
- Remove the 3-2 control solenoid retainer. Remove the 3-2 control solenoid. See Figure.