Express 3/4 Ton Van V8-4.8L VIN V (2003)
6. Install the transmission converter cover bolts until snug, if equipped with the 4L80-E automatic transmission.
7. Install the transmission bolt and stud on the right side until snug, If equipped with the 4L60-E automatic transmission.
Notice: Refer to Fastener Notice in Service Precautions.
8. Install the bottom bolt on the left side until snug.
8.1.
Tighten the oil pan-to-front cover bolts to 25 Nm (18 ft. lbs.).
8.2.
Tighten the oil pan-to-rear cover bolts to 12 Nm (106 inch lbs.).
8.3.
Tighten the converter cover, and transmission bolts/stud to 50 Nm (37 ft. lbs.).