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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1035 (Automatic Transmission - ALLISON - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> On-Vehicle Repair Information >> Automatic Transmission Fluid Pressure Test Hole Plug Replacement >> Removal Procedure

Removal Procedure

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    Fig 1: View Of Pressure Tap Plug And O-Ring
    GM1914737Courtesy of GENERAL MOTORS CORP.
  1. Remove the pressure tap plug (2) and O-ring (1) on the bottom of the converter housing near the transmission external oil filter.
  2. Remove the O-ring from the plug and discard it.