GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 TrailBlazer - 4WD 🢒 Engine 🢒 Engine Mechanical - 4.2L 🢒 Oil Pump Removal

    Object Number: 659575 Size: SH
  1. Remove the oil pump cover bolts.
  2. Remove the oil pump cover.
  3. Mark the inner and outer gears in relation to the oil pump housing.
  4. Remove the inner and outer oil pump gears.
  5. Remove the oil pump pressure relief valve plug.
  6. Remove the oil pump pressure relief valve and spring.