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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 973 (Automatic Transmission - ALLISON (Introduction, Service & Replacement)) >> Repair Instructions >> Control Valve Solenoid Replacement (Solenoid C, D, E, F, G) >> Removal Procedure

Removal 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. Remove the oil pan and the transmission internal oil filter. Refer to Oil Pan Replacement .
  2. Disconnect the internal wiring harness from the solenoid being changed.
    Fig 1: Locating Shift Solenoid C
    GM1331386Courtesy of GENERAL MOTORS CORP.
  3. Remove the solenoid retainer (2) for shift solenoid C (5). Note the position of the solenoid connector and pull the solenoid (5) out of the bore in the control valve assembly (1). The O-rings (3 and 4) provide the resistance felt during removal.
    4. Fig 2: Locating Shift Solenoid D (1), Shift Solenoid E (4), And Torque Converter Clutch Pulse Width Modulated (TCC PWM) Solenoid
    GM1364402Courtesy of GENERAL MOTORS CORP.
  4. Remove the solenoid retainers (6) for shift solenoid D (1), shift solenoid E (4), or the torque converter clutch pulse width modulated (TCC PWM) solenoid (7), whichever is being replaced.
  5. Note the position of the solenoid connector and pull the solenoid out of the bore in the control valve assembly. The O-rings (2 and 3) provide the resistance felt during removal.
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