454 CID (7.4L) / 502 CID (8.2L)
SERVICE MANUAL NUMBER 23
Page 3A-67
90-861326--1 MARCH 1999
Connecting Rod / Piston Assembly
Removal
1. Remove as outlined:
a. Oil pan and dipstick tube.
b. Baffle and oil pump.
c. Distributor and intake manifold.
d. Cylinder heads.
2. Use a ridge reamer to remove any ridge and/or deposits from upper end of cylinder bore.
IMPORTANT: Before ridge and/or deposits are removed, turn crankshaft until piston
is at bottom of stroke and place a cloth on top of piston to collect cuttings. After ridge
and/or deposits are removed, turn crankshaft until piston is at top of stroke, then
remove cloth and cuttings.
3. Mark connecting rods and bearing caps (left bank 1, 3, 5 and 7; right bank 2, 4, 6 and
8 from front to rear on same side as piston thrust).
4. Remove connecting rod cap and install connecting rod bolt guide (3/8-24 or 7/16-20) on
bolts. Push connecting rod and piston assembly out of top of cylinder block.
NOTE: It will be necessary to turn crankshaft slightly to disconnect and remove some
connecting rod and piston assemblies.
72572
a
a-Connecting Rod Bolt Guide 3/8-24 (J-5239) or 7/16-20 (J-35228)
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