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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. The transmission case has provisions that enable the fill tube to be installed on either the right or left side of the transmission. Proceed to step 9 if servicing the plug and/or seal opposite the fill tube.
  2. If the vehicle is equipped with a diesel engine, the transmission must be removed to service the fill tube and/or seal. Refer to Transmission Replacement (With 6.6L Engine)  or Transmission Replacement (With 8.1L (L18) Engine) .
  3. Remove the transmission fluid level indicator.
  4. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  5. Remove the fill tube nuts.
    Fig 1: Removing The Fill Tube Nuts
    GM702779Courtesy of GENERAL MOTORS CORP.
  6. Place a drain pan under the transmission to catch any dripping fluid.
  7. Loosen the fill tube from the transmission.
  8. Remove the fill tube and seal from the vehicle.
    9. Fig 2: Removing The Fill Tube Plug
    GM658984Courtesy of GENERAL MOTORS CORP.
  9. Remove the fill tube plug (1).
  10. Remove the fill tube plug seal (2).
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