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Home >> Cadillac >> 2003 >> Seville SLS >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle Servicing >> Lubrication >> Draining & Refilling

Draining & Refilling

  1. Raise the vehicle and support. Place a drain pan under the transaxle bottom pan in order to catch the fluid.
    NOTE: Removing the bottom pan only partially drains the transaxle fluid. The side cover and the torque converter hold the remaining fluid. To drain fluid from the side cover, remove the drain plug in the case after bottom pan removal. There is no need to drain the torque converter during most service procedures.
  2. Loosen the bottom pan bolts. Drain any fluid in the pan. Remove the bottom pan bolts, pan, and seal. See Fig 1 . Inspect the bottom pan for dents or nicks on the sealing surface. If damaged, replace.
    NOTE: The bottom pan seal is reusable. Replace with a new seal only if sealing surface is damaged.
  3. For proper sealing, clean and dry the bottom pan and the case sealing surfaces. In order to maintain proper bolt torque, the bolts and tapped holes in the case must be clean and dry.
  4. Remove the left and/or right scavenger screens. See Fig 3 . Remove the seals. Use a small screwdriver to pry the seals from the case. Do not score or damage the case.
  5. Install NEW left and right scavenge seals. Install NEW left and right scavenge screens. See Fig 3 .
  6. Install the bottom pan, new seal, and bolts. Finger-tighten the bolts. See Fig 1 .
  7. Tighten the pan bolts 3 times to the proper specification, in the sequence shown. See Fig 2 . Lower the vehicle. Fill transaxle with appropriate fluid to proper level. See RECOMMENDED FLUIDS  and FLUID CAPACITIES  .
Fig 1: Removing & Installing Oil Pan
G00094523Courtesy of GENERAL MOTORS CORP.
Fig 2: Oil Pan Bolt Tightening Sequence
G98B07281Courtesy of GENERAL MOTORS CORP.
Fig 3: Removing & Installing Scavenge Screens
G00094538Courtesy of GENERAL MOTORS CORP.