GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 37228 Seal Cutter

Removal Procedure


    Object Number: 660296  Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Place a suitable container under the engine in order to drain the oil.
  3. Remove the oil drain plug.
  4. Drain the engine oil.

  5. Object Number: 1334843  Size: SH
  6. Disconnect the oil level sensor electrical connector.

  7. Object Number: 1334845  Size: SH
  8. Remove the lower oil pan bolts/nuts.
  9. Note: DO NOT damage the sealing surfaces when separating the lower oil pan from the upper oil pan.

  10. Separate the lower oil pan from the upper oil pan using J 37228 .
  11. Remove the lower oil pan.
  12. If necessary, clean and inspect the lower oil pan. Refer to Lower Oil Pan Cleaning and Inspection.

Installation Procedure


    Object Number: 663817  Size: SH
  1. Apply a 2-3 mm (0.79-0.118 in) by 0.5-1.5 mm (0.02-0.06 in ) wide bead of sealant to the lower oil pan mating surface. Refer to Adhesives, Fluids, Lubricants, and Sealers for the correct part number.

  2. Object Number: 1334845  Size: SH
  3. Install the lower oil pan.
  4. Install the lower oil pan bolts/nuts.
  5. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 793979  Size: SH
  6. Tighten the oil pan bolts/nuts in the sequence shown.
  7. Tighten
    Tighten the bolts/nuts to 10 N·m (89 lb in).


    Object Number: 1334843  Size: SH
  8. Connect the oil level sensor electrical connector.
  9. Install NEW engine oil and a oil filter. Refer to Engine Oil and Oil Filter Replacement.
  10. Lower the vehicle.