Express 1/2 Ton Van V8-305 5.0L VIN M SFI (1998)
8.
Less than 0.0020 in.
8.1.
Retain production 0.001 in. undersize upper and lower bearing inserts at the number 5 crankshaft bearing position.
8.2.
Clean any and all plastigauge material and residue from the bearing inserts.
8.3.
Liberally coat bearing inserts with clean engine oil and reinstall crankshaft bearing caps and bolts.
8.4.
Reinstall crankshaft bearing cap, bolts and studs to the engine block, making sure that the cap, bolts, and studs retain their original position
and orientation.
Tighten
8.4.1. Tighten the crankshaft bearing cap bolts and studs on the first pass to 20 N.m (15 lb ft).
8.4.2. Tighten the crankshaft bearing cap bolts on the final pass to 73 degrees using the J 36660-A.
8.5.
Remove Screwjack used for crankshaft support.
8.6.
Go to Step 12 Crankshaft (main) Bearing Service for Locations Number 2, 3, and 4.
9.
0.0020 in. or greater but less than 0.0025 in.
9.1.
Retain upper bearing shell (numbers main bearing - production 0.001 in. undersized).
9.2.
Remove number 5 lower main bearing shell from the cap and discard.
9.3.
Install 0.002 in. undersize bearing insert (P/N 12329792) in the number 5 cap, LOWER HALF ONLY.
9.4.
Apply a liberal coating of clean engine oil to the bearing surface.
9.5.
Reinstall crankshaft bearing cap, bolts and studs to the engine block, making sure that the caps, bolts, and studs retain their original position
and orientation.
Tighten
9.5.1. Tighten the crankshaft bearing cap bolts and studs on the first pass to 20 Nm (15 lb ft).
9.5.2. Tighten the crankshaft bearing cap bolts on the final pass to 73 degrees using the J 36660-A.
9.6.
Remove the screw jack used for crankshaft support.
9.7.
Go to Step 12 Crankshaft (main) Bearing Service for Locations Number 2, 3, and 4.
10.
0.0025 in. or greater but less than 0.0030 in.
10.1. Lower jack stand from crankshaft, allowing the crankshaft to be supported by the numbers 1, 2, 3, and 4 crankshaft main bearings.
10.2. Insert J 8080 into the crankshaft number 5 main bearing oil hole and rotate the crankshaft to turn the upper bearing insert out of the engine
block. Discard the removed upper bearing insert.
10.3. Insert J 8080 into the crankshaft number 5 main bearing oil hole.
10.4. Procure the crankshaft number 5 main bearing 0.0020 in. undersize bearing upper insert (from kit P/N 12329792), apply clean engine oil to
the bearing insert, and insert the plain end (without the bearing tang) of the bearing shell between the crankshaft and the notched side of the
engine block web.
10.5. Rotate the crankshaft to roll the upper bearing insert into the engine block.
10.6. Remove the J8080 from the crankshaft.
10.7. Remove the number 5 lower main bearing shell from the cap and discard.
10.8. Install 0.002 in. undersize bearing lower insert (from kit P/N 12329792) in the number 5 cap.
