Avalanche 1500 2WD V8-5.3L (2008)
5. Rotate the crankshaft until 2 opposing flywheel bolt holes are parallel to the oil pan surface.
Important: The tapered legs of the alignment tool must enter the rear cover oil seal bore.
6. Install the J 41476 and bolts onto the rear of the crankshaft.
Notice: Refer to Fastener Notice .
7. Tighten the J 41476 bolts until snug. Do not overtighten.
1. Tighten the oil pan-to-rear oil seal housing bolts to 12 N.m (106 lb in).
2. Tighten the rear oil seal housing bolts to 30 N.m (22 lb ft).
8. Remove the J 41476 .
9. Install a NEW crankshaft rear oil seal. Refer to Crankshaft Rear Oil Seal Replacement (See: Seals and Gaskets/Crankshaft Main Bearing
Seal/Service and Repair) .
10. Remove the automatic transmission flexplate, refer to Automatic Transmission Flex Plate Replacement (See: Transmission and Drivetrain/Flex
Plate/Service and Repair) .
