GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 CTS 🢒 Engine 🢒 Engine Mechanical - 2.8L (LP1) 🢒 Engine Oil and Oil Filter Replacement

Removal Procedure
  1. Turn the ignition OFF.

    2. Important: Use a 6-point socket to remove the oil filter cap.


    Object Number: 1210948 Size: SH
  2. Remove the oil filter cap.

    3. Object Number: 1210952 Size: SH
  3. Remove and discard the oil filter cartridge.
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  5. Place a suitable drain below the oil pan drain plug.

    6. Object Number: 1210967 Size: SH
  6. Remove the oil pan drain plug.
  7. Allow the oil to drain completely.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1210967 Size: SH
  1. Install the oil pan drain plug and NEW O-ring seal.

    2. Tighten
    Tighten the oil pan drain plug to 20 N·m (15 lb ft).

  2. Lower the vehicle.

    3. Object Number: 1210952 Size: SH
  3. Install the NEW oil filter cartridge.

    4. Object Number: 1306505 Size: SH

    Notice: Lubrication must be applied to the threads of the oil filter cap prior to installation. Failure to lubricate the oil filter cap threads can hinder later removal and cause possible oil filter cap damage.

  4. Lubricate the oil filter cap threads with clean engine oil.

    5. Object Number: 945902 Size: SH

    Notice: Proper oil filter cap tightening is mandatory. Failure to tighten the oil filter cap to the proper specification can hinder later removal and cause possible oil filter cap damage.

    Important: Use a 6-point socket to install the oil filter cap.

  5. Install the oil filter cap.

    6. Tighten
    Tighten the oil filter cap to 25 N·m (18 lb in).

  6. Install the oil fill cap.
  7. Fill the engine with the appropriate oil type and quantity. Refer to Fluid and Lubricant Recommendations and Approximate Fluid Capacities .