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Home >> Chevrolet >> 2002 >> Astro Van Passenger, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 827 (Automatic Transmission - 4L60-E/4L65-E (Service & Replacement)) >> Repair Instructions >> Control and Shift Solenoids Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the transmission oil pan and 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)
    • TCC PWM solenoid (5)
    • 3-2 control solenoid (6)
      Fig 1: Disconnecting Internal Wiring Harness Electrical Connectors From Locating Components
      G01565896Courtesy of GENERAL MOTORS CORP.
  4. Remove the pressure control solenoid retainer.
  5. Remove the pressure control solenoid.
    Fig 2: Pressure Control Solenoid
    G01565897Courtesy 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: 1-2 & 2-3 Shift Solenoids
    G01565898Courtesy of GENERAL MOTORS CORP.
  8. Remove the 3-2 control solenoid retainer.
  9. Remove the 3-2 control solenoid.
    Fig 4: 3-2 Control Solenoid
    G01565899Courtesy of GENERAL MOTORS CORP.
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