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Control & Shift Solenoids: Installation

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the 3-2 control solenoid. Install the 3-2 control solenoid retainer. See Figure .
  2. Install the 1-2 and 2-3 shift solenoids. Install the 1-2 and 2-3 shift solenoid retainers.
  3. Install the pressure control solenoid. Ensure the electrical tabs are facing outboard. See Figure .
  4. Install the pressure control solenoid retainer and retaining bolt. Tighten the pressure control solenoid retaining bolt to specification. See TORQUE SPECIFICATIONS  .
  5. Connect the internal wiring harness electrical connectors to the following components:
    • Transmission fluid pressure switch (1). See Figure .
    • 1-2 shift control solenoid (2).
    • 2-3 shift control solenoid (3).
    • Pressure control solenoid (4).
    • TCC PWM solenoid (5).
    • 3-2 control solenoid (6).
  6. Install the 1-2 accumulator. See ACCUMULATOR ASSEMBLY  .
  7. Install the transmission oil pan and filter. See DRAINING & REFILLING  under LUBRICATION.
  8. Fill transmission with appropriate fluid to proper level. See LUBRICATION  .
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