Express 1/2 Ton Van V6-4.3L VIN W (1999)
9. Remove the transmission cover.
10. Remove the access plugs for the oil pan rear nuts.
11. Remove the following oil pan fasteners:
^
Remove the oil pan bolts.
^
Remove the two nuts at the crankshaft rear oil seal housing.
^
Remove the transmission to oil pan bolts.
12. Remove the oil pan and the gasket.
13. Clean all sealing surfaces on the engine and the oil pan.
Installation Procedure
Notice: Any time the transmission and the engine oil pan are off of the engine at the same time, install the transmission before the oil pan. This is to
allow for the proper measurement of the oil pan tolerance. Failure to achieve the correct clearance can result in premature transmission failure.
