GM Service Manual Online
For 1990-2009 cars only
  1. Remove the impeller using the J 28509-A .
  2. Remove the pulley using the J 1859-A .
  3. Remove the dust thrower.
  4. Remove the snap ring using snap ring pliers.
  5. Remove the spindle, bearing, and spacer using a plastic hammer to lightly tap the spindle free.
  6. Remove the front seal.
  7. Remove the seal unit using an arbor press and a suitable remover.
  8. Remove the bearings and spacer from the spindle using an arbor press.