Removal Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Remove the transmission filter. Refer to AUTOMATIC TRANSMISSION FLUID/FILTER REPLACEMENT .
Important: Do not remove the valve body for the following procedures. Removal of the 1-2 accumulator is necessary only if servicing the pressure control solenoid.
Remove the 1-2 accumulator, if necessary. Refer to ACCUMULATOR ASSEMBLY, SPACER PLATE, AND GASKETS .
Disconnect the internal wiring harness electrical connectors from the following components:

Fig 1: Disconnecting Internal Wiring Harness Electrical Connectors
Courtesy of GENERAL MOTORS CORP.
- Transmission fluid pressure switch (1)
- 1-2 shift control solenoid (2)
- 2-3 shift control solenoid (3)
- Pressure control solenoid (4)
- Torque converter clutch pulse width modulation (TCC PWM) solenoid (5)
- 3-2 control solenoid (6)
Remove the pressure control solenoid retainer.
Remove the pressure control solenoid.

Fig 2: Removing Pressure Control Solenoid & Retainer
Courtesy of GENERAL MOTORS CORP.
Remove the 1-2 and 2-3 shift solenoid retainers.
Remove the 1-2 and 2-3 shift solenoids.

Fig 3: Removing 1-2 & 2-3 Shift Solenoid & Retainers
Courtesy of GENERAL MOTORS CORP.
Remove the 3-2 control solenoid retainer.
Remove the 3-2 control solenoid.

Fig 4: Removing 3-2 Control Solenoid & Retainer
Courtesy of GENERAL MOTORS CORP.