2008 6.6L Duramax – LOWER OIL PAN REPLACEMENT – Installation Procedure

1. Apply a 2-3 mm (0 .7 9 -0 .1 1 8 in) by 0.5-1.5 mm (0.02-0.06 in ) wide bead o f sealant to the lower oil pan mating      surface. Refer to Sealers, Adhesives, and Lubricants for the correct part number.

2. Install the lower oil pan.
3. Install the lower oil pan bolts/nuts.

4. Tighten the oil pan bolts/nuts in the sequence shown.

Tighten : Tighten the bolts/nuts to 10 N.m (89 lb in).

5. Connect the oil level sensor electrical connector.

6 . If equipped with a 2W D, install the crossmember and bolts.
Tighten: Tighten the bolts to 100 N.m (74 lb ft).

7. If equipped with a 4W D, install the crossmember and bolts.
Tighten: Tighten the bolts to 100 N.m (74 lb ft).

8. Install the oil pan skid plate and bolts, if equipped.
Tighten: Tighten the bolts to 20 N.m (15 lb ft).
9. Install N EW engine oil and a oil filter. Refer to Engine Oil and Oil Filter Replacement.
10. Lower the vehicle.