GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 TrailBlazer - 4WD 🢒 Engine 🢒 Engine Cooling 🢒 Engine Oil and Oil Filter Replacement

Removal Procedure
  1. Remove the oil fill cap.
  2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  3. Remove the oil pan drain plug and drain the oil into a suitable container.

    4. Object Number: 637675 Size: SH
  4. Remove the oil filter using a suitable wrench.
  5. Inspect the old oil filter to ensure the filter seal is not left on the engine block.

Installation Procedure
  1. Wipe the excess oil from the oil filter housing.
  2. Lubricate the oil filter seal with clean engine oil.

    3. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 637675 Size: SH
  3. Install the new oil filter and tighten to 17 N·m (22 lb ft) plus 150 degrees.
  4. Install the oil pan drain plug and tighten to 26 N·m (19 lb ft).
  5. Lower the vehicle.
  6. Fill the crankcase with the proper quantity of engine oil. Refer to Approximate Fluid Capacities and Fluid and Lubricant Recommendations.
  7. Remove the oil level indicator.
  8. Wipe the indicator with a clean cloth.
  9. Install the oil level indicator.
  10. Remove the oil level indicator and check the oil level.
  11. Add oil if necessary.
  12. Check for any oil leaks.