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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 833 (Automatic Transmission - 4L60-E/4L65-E (Service & Replacement)) >> Repair Instructions >> Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid, TCC Solenoid, and Wiring Harness >> Installation Procedure

Installation Procedure

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  1. Install the wiring harness and TCC solenoid with a new O-ring seal to the transmission.
  2. Install the pass-through electrical connector to the transmission case.
    Fig 1: Installing TCC Solenoid (With O-Ring Seal) & Wiring Harness
    G02111836Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the valve body bolts which retain the internal wiring harness and install the TCC solenoid bolts.

    Tighten 

    • Tighten the control valve body bolts to 11 N.m (97 lb in).
    • Tighten the TCC solenoid bolts to 11 N.m (97 lb in).
    Fig 2: Installing TCC Solenoid Bolts & Valve Body Bolts
    G02111837Courtesy of GENERAL MOTORS CORP.
  4. Install the pressure control solenoid.

    Ensure that the electrical tabs are facing outboard.

  5. Install the pressure control solenoid retainer and bolt.

    Tighten 

    Tighten the bolt to 11 N.m (97 lb in).

    Fig 3: Installing Pressure Control Solenoid Retainer & Bolt
    G02111838Courtesy of GENERAL MOTORS CORP.
  6. Install the TCC PWM solenoid to the control valve body.
  7. Install the TCC PWM solenoid retainer.
    Fig 4: Installing TCC PWM Solenoid & Retainer
    G02111839Courtesy of GENERAL MOTORS CORP.
  8. Connect the internal wiring harness electrical connectors to 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)
  9. Install the 1-2 accumulator. Refer to ACCUMULATOR ASSEMBLY, SPACER PLATE, AND GASKETS  .
    Fig 5: Connecting Internal Wiring Harness Electrical Connectors
    G02111840Courtesy of GENERAL MOTORS CORP.
  10. Connect the transmission harness 20-way connector (1) to the transmission pass-through connector.

    Align the arrows on each half of the connector and insert straight down.

  11. Install the transmission filter. Refer to AUTOMATIC TRANSMISSION FLUID/FILTER REPLACEMENT  .
    Fig 6: Connecting Transmission Harness 20-Way Connector From Transmission Internal Harness Pass-Through Connector
    G02111841Courtesy of GENERAL MOTORS CORP.
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