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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 97 (Automatic Transmission Servicing) >> Removal & Installation >> Control & Shift Solenoids >> Removal

Control & Shift Solenoids: Removal

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: 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.
  1. Remove the transmission oil pan and filter. See DRAINING & REFILLING  under LUBRICATION.
  2. Remove the 1-2 accumulator if necessary. See ACCUMULATOR ASSEMBLY  .
  3. Disconnect the internal wiring harness electrical connectors from 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).
    • 3-2 control solenoid (6).
    • TCC PWM solenoid (5).
  4. Remove the pressure control solenoid retainer. Remove the pressure control solenoid. See Figure .
  5. Remove the 1-2 and 2-3 shift solenoid retainers. Remove the 1-2 and 2-3 shift solenoids. See Figure .
  6. Remove the 3-2 control solenoid retainer. Remove the 3-2 control solenoid. See Figure .
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