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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 999 (Automatic Transmission - ALLISON (Introduction, Service & Replacement)) >> Repair Instructions >> Control Valve Solenoid Replacement (Solenoid C, D, E, F, G) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Obtain a new shift solenoid D (1), shift solenoid E (4), TCC PWM solenoid (7), or modulated main pressure solenoid G. Install O-rings (2 and 3) and lubricate with clean transmission fluid. Push the new solenoid into the control valve assembly (5) with the wiring harness connector in the correct position.
    Fig 1: Locating Shift Solenoid D (1), Shift Solenoid E (4), And Torque Converter Clutch Pulse Width Modulated (TCC PWM) Solenoid
    GM1364402Courtesy of GENERAL MOTORS CORP.
  2. Install the solenoid retainer (6). Connect the internal wiring harness to the solenoids replaced.
    3. Fig 2: Locating Shift Solenoid C
    GM1331386Courtesy of GENERAL MOTORS CORP.
  3. For a new shift solenoid C (5), install O-rings (3) and (4) and lubricate with clean transmission fluid. Push the new shift solenoid C (5) into the control valve assembly with the wiring harness connector in the correct position. Install the solenoid retainer (2).
  4. Install the oil pan and transmission internal oil filter. Refer to Oil Pan Replacement .
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