Lower
Oil Pan Replacement - LowerRemoval Procedure
1. Raise and suitably support 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. Remove the oil pan skid plate bolts and plate.
6. Remove the crossmember bolts and crossmember, 2-wheel drive (2WD) vehicle shown.
7. Remove the crossmember bolts and crossmember, 4-wheel drive (4WD) vehicle shown.
8. Disconnect the oil level sensor electrical connector.
9. Remove the lower oil pan bolts and nuts.
10. Separate the lower oil pan from the lower crankcase.
11. Remove the lower oil pan.
12. Remove the oil level sensor (1) and clip (3).
13. Clean the lower oil pan. Remove any sludge or other deposits.
14. Clean the lower oil pan mating surface (4).
15. Inspect the lower oil pan for dents or distortion.
16. Inspect the lower oil pan mating surface for damage.
17. Replace the lower oil pan if any damage is found.
Installation Procedure
1. Install the oil level sensor (1) and clip (3).
Notice: Refer to Fastener Notice in Service Precautions.
2. Install the oil level sensor bolt (2).
^ Tighten the bolts to 10 Nm (89 inch lbs.).
3. Apply a 2 mm (1/8 inch) wide bead of sealant GM P/N 97720043 (Canadian P/N 88901148), or equivalent to the lower oil pan mating surface.
4. Install the lower oil pan.
5. Install the lower oil pan bolts and nuts.
^ Tighten the bolts/nuts to 10 Nm (89 inch lbs.).
6. Connect the oil level sensor electrical connector.
7. Install the crossmember and bolts, 2WD vehicle shown.
^ Tighten the bolts to 100 Nm (74 ft. lbs.).
8. Install the crossmember and bolts, 4WD vehicle shown.
^ Tighten the bolts to 100 Nm (74 ft. lbs.).
9. Install the oil pan skid plate and bolts.
^ Tighten the bolts to 20 Nm (15 ft. lbs.).
10. Install the oil filter and the oil pan drain plug.
11. Lower the vehicle.