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Base Engine Components
DODGE Turbo Diesel
General Overview - In and Out-of-Chassis Repairs
Page9C-7
The upper bearings have three holes in them. The middle hole
receives oil from the main oil rifle. One of the adjacent holes is
aligned with a drilling to the camshaft journal and serves as an
orifice for lubrication flow to the journal. The other adjacent
hole supplies oil for piston cooling. The hole does not align
perfectly with the cooling nozzle. The hole is off-set to keep the
nozzle from dropping into the crankshaft oil supply passage.
Note: Oversize service main bearings are available for re-
ground crankshafts.
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Troubleshooting
