200
POWERHEAD
POWERHEAD DISASSEMBLY
Separate crankcase and cylinder block. It may be
necessary to tap on crankshaft with a rawhide or
rubber mallet to loosen.
Carefully remove the crankcase from the cylinder
block to avoid damaging the crankshaft seal rings.
Cylinder Head Removal
Remove thermostat cover and thermostat assem-
bly. Refer to THERMOSTAT SERVICING on
p. 191.
Loosen in stages and remove cylinder head
retaining screws. Remove the cylinder head.
Discard thermostat seal and O-rings.
Connecting Rods and Pistons
Use a permanent marker to identify each connect-
ing rod cap, connecting rod, and piston by cylinder
number. Number 1 is closest to the flywheel.
Use Torquing Socket, P/N 331638, to loosen in
stages the rod cap retaining screws. DO NOT
remove the screws.
Use one hand to support the piston, and remove
the rod cap screws with your other hand. Remove
each piston and rod assembly.
005304
1. Cylinder head screws (28 on V4; 40 on V6) 005302
005292
005303
005301
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