GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Pickup - 4WD 🢒 Engine 🢒 Engine Mechanical - 6.5L 🢒 Oil Pump Disassemble

    Object Number: 699573 Size: SH
  1. Remove the oil pump drive shaft retainer.
  2. Remove the oil pump drive shaft.

    3. Object Number: 65020 Size: SH
  3. Remove the roll pin.
  4. Remove the pressure regulator valve.
  5. Remove the spring.

    6. Important: If the pick-up tube and screen is not damaged, do not remove it. A new pick-up tube and screen assembly will be required for reassemble. The tube is press-fit into the cover and is hard to remove without damaging it.


    Object Number: 70355 Size: SH
  6. Remove the pick-up tube and screen assembly if necessary.
  7. Remove the oil pump cover bolts.

    8. Object Number: 70354 Size: SH
  8. Remove the oil pump cover.
  9. Remove the spacer plate.

    10. Object Number: 65023 Size: SH
  10. Mark the gear teeth in order to install the pump gears with the same gear teeth index.
  11. Remove the drive gear.
  12. Remove the shaft.
  13. Remove the driven gear.
  14. Remove the idler shaft.