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Home >> GMC >> 2013 >> Yukon Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1101 (Automatic Transmission - 6L50/6L80/6L90 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Diagnostic Information And Procedures >> Transmission Fluid Fill Procedure >> Fill Tube Plug Method

Fill Tube Plug Method

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Fluid Fill Tube Plug
    GM1608300Courtesy of GENERAL MOTORS CORP.
    NOTE: Before removing the transmission fluid fill tube plug assembly, thoroughly clean around the plug to prevent dirt or contaminants from entering the transmission during plug removal. Use compressed air to dislodge any caked dirt that may be stuck on and around the plug area. Use a mirror to confirm the area is free of dirt before removing the plug. Failure to clean around the plug may result in transmission contamination.
  1. Clean around the fluid fill tube plug.
    2. Fig 2: Unlocking The Fill Tube Plug By Lifting The Plunger
    GM1608301Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: It may be necessary to use a long pair of 90 degree needle nose pliers to lift the plunger and remove the plug assembly.
  2. Unlock the fill tube plug by lifting the plunger. Once the plunger is lifted, remove the entire plug assembly.
  3. Determine the approximate amount of fluid needed to fill the transmission, based on the repair performed. Refer to Fluid Capacity Specifications . To avoid an under-fill condition, slightly overfill the transmission, and then allow the extra fluid to drain during the fluid checking procedure.
    4. Fig 3: View Of J 45096-40 And J 45096
    GM1608305Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The J 45096  is being utilized as a convenient method to pump the fluid into the bottom pan. See Special Tools . A suitable hand pump may also be used instead. When using the J 45096  , monitor the display panel to determine the amount of fluid being pumped from the tool supply tank into the transmission. See Special Tools .
  4. Using the J 45096-40  (1) and the J 45096  (2), or a suitable hand pump, add transmission fluid through the fill tube plug opening. See Special Tools . Refer to Transmission Fluid Cooler Flushing and Flow Test (J 45096)  for complete J 45096  operating instructions. See Special Tools . Use the FLOW position on the main function switch to pump the fluid.
  5. Check the fluid level. Refer to Transmission Fluid Check .
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