DeVille V8-4.6L VIN 9 (1995)
Crankshaft: Service and Repair
Main Bearings
Shell type main bearings of steel backed aluminum are used at all positions. The lower bearing halves are all interchangeable. as are all of the upper
halves except for the bearings in the # 3 position as this is the thrust bearing. Maximum crank shaft end play is 0.5 mm (0.019 in.).
Separating Crankcase Halves
REMOVE OR DISCONNECT
1. With engine on engine stand remove the following components:
^
Engine oil pan.
^
Oil pump pickup.
^
Oil scraper I baffle.
^
Main bearing bolts.
^
Oil manifold bolts.
^
Oil manifold.
^
Upper / lower crankcase bolts.
2. Working on either side of crankcase separate crankcase halves by alternately prying in grooves provided until lower crankcase is free of dowel pin.
NOTICE: Use a plastic pry tool when prying case halves apart to prevent damage to the Lower Crankcase surface. Do not keep pushing your pry tool in
the crankcase as the Upper and Lower Crankcase halves separate. This may damage the sealing surface.
3. Lower crankcase.
Note: Upper-to-lower crankcase seal may be reused unless it is damaged or comes out of its groove in the upper crankcase.
4. Rear main seal and discard.
5. Lower main bearing from lower crankcase.
