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Home >> Chevrolet >> 2018 >> Suburban 3500 HD LT >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Automatic Transmission - 10L80 (MF6) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Automatic Transmission Intermediate Speed Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Cadillac Escalade ESV, and 2018 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Transmission Fluid Pan, Bolts, Filter, Gasket And Pump Seal
    GM4540404Courtesy of GENERAL MOTORS COMPANY
  1. Remove the transmission fluid filter (6). Automatic Transmission Fluid, Fluid Pan and/or Filter Replacement 
  2. Disconnect the transmission control wiring harness from the control valve body.
    3. Fig 2: Control Valve Body Assembly And Bolts
    GM4540898Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The main control to case seal should stay with the main control assembly.

    NOTE:

    The bolts are marked by arrows in the valve body casting.

  3. Remove the eight control valve body bolts (1) and the control valve body assembly (2) from the transmission.
  4. Remove the intermediate speed sensor. Control Valve Assembly and Transmission Wiring Harness Removal
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