Removal
1. Remove the left side cover.
LEFT SIDE COVER
2. Remove the oil screen.
BAFFLE PLATE
OIL PASS OIL SCREEN
PIPE
O-RINGS
Replace
OIL PUMP
3. Remove the baffle plate.
4. Remove the oil pass pipe and joint.
5. Remove the oil pump.
6. If you can feel a ridge of metal or hard carbon
around the top of any cylinder, remove it with a
ridge reamer. Follow reamer manufacturer’s
instructions.
CAUTION: If the ridge is not removed, it may
damage the pistons as they are pushed out.
RIDGE REAMER
7. Remove the bearing cap bridge.
BEARING CAP
BRIDGE
Piston/Connecting Rod Assemblies and Crankshaft
Removal
• Remove the connecting rod caps after setting
the crank pin at BDC for each cylinder. Remove
the piston assembly by pushing on the connec-
ting rod.
CAUTION: Take care not to damage the crank pin
or cylinder with the connecting rod.
CORRECT PISTONS
INCORRECT
8. Remove the bearing from the cap. Keep all
caps/bearings in order.
9. Remove the upper bearing halves from the connect-
ing rods. Set them aside with their respective caps.
10. Reinstall the cap on the rod after removing each
piston/connecting rod assembly.
11. Mark the piston/connecting rod assemblies with
their cylinder numbers to avoid mixup on reassem-
bly.
NOTE: The existing number on the connecting rod
does not indicate its position in the engine, it in-
dicates the rod bore size.
12. Remove the bearing cap bolts and bearing cap side
bolts, then remove the bearing caps.
BEARING CAP
BEARING CAP
BOLT
BEARING CAP
SIDE BOLT
To help with removal of the caps, install the bear-
ing cap bridge bolts in the bearing cap bolt holes.
BEARING CAP
BRIDGE BOLT
BEARING CAPS
13. Lift the crankshaft out of engine, being careful not
to damage the journals.
CRANKSHAFT
14. Reinstall the main caps and bearings on the block in
proper order.