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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1613 (Automatic Transmission - ALLISON - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Pressure Switch Manifold Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: TFP Switch
    GM1633282Courtesy of GENERAL MOTORS CORP.
    NOTE: Individual pressure switches cannot be replaced. When any pressure switch needs replacing, the entire assembly must be replaced.
    NOTE: The modulated main pressure (MAIN MOD) solenoid has been removed for clarity.
  1. Remove the oil pan and transmission internal oil filter. Refer to Oil Pan Replacement .
    2. WARNING: Refer to Battery Disconnect Warning .
  2. Disconnect the internal wiring harness connector from the transmission fluid pressure (TFP) switch (2).
  3. Remove six bolts (1). Remove the TFP switch (2).
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