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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1614 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Control and Shift Solenoids Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Internal Wiring Harness Electrical Connectors
    GM2035534Courtesy of GENERAL MOTORS CORP.
  1. Remove the transmission oil pan and filter. Refer to Automatic Transmission Fluid and Filter Replacement .
    2. 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.
  2. Remove the 1-2 accumulator if necessary. Refer to Accumulator Assembly, Spacer Plate, and Gaskets .
  3. Disconnect all the internal wiring harness electrical connectors from the electrical components (1-6).
    4. Fig 2: Exploded View Of Solenoid Components
    GM2041450Courtesy of GENERAL MOTORS CORP.
  4. Remove the solenoid retainer bolt (364A) and the solenoid retainer (378).
  5. Remove the pressure control solenoid (377).

    Note the orientation upon removal.

    6. Fig 3: View Of 1-2 & 2-3 Shift Solenoids & Retainers
    GM298169Courtesy 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.
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