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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Automatic Transmission - ALLISON - Introduction (2 Of 2)) >> Repair Instructions >> Filler Tube and Seal Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  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 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 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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