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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1625 (Automatic Transmission - 4L60-E - Service, Removal & Installation) >> Repair Instructions >> Control and Shift Solenoids Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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.
  2. Remove the 1-2 accumulator, if necessary. Refer to Accumulator Assembly, Spacer Plate, And Gaskets   . 
  3. Disconnect the internal wiring harness electrical connectors from the following components:
    • 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)
    4. Fig 1: Disconnecting Internal Wiring Harness Electrical Connectors
    G01953620Courtesy of GENERAL MOTORS CORP.
  4. Remove the pressure control solenoid retainer.
  5. Remove the pressure control solenoid.
    Fig 2: Removing Pressure Control Solenoid & Retainer
    G01953621Courtesy of GENERAL MOTORS CORP.
  6. Remove the 1-2 and 2-3 shift solenoid retainers.
  7. Remove the 1-2 and 2-3 shift solenoids.
    Fig 3: Removing Shift Solenoids & Retainers
    G01953622Courtesy of GENERAL MOTORS CORP.
  8. Remove the 3-2 control solenoid retainer.
  9. Remove the 3-2 control solenoid.
    Fig 4: Removing Control Solenoid & Retainer
    G01953623Courtesy of GENERAL MOTORS CORP.
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