Chrysler Dodge Caravan 2002 Manual page 1246

RS
CRANKSHAFT OIL SEAL - REAR (Continued)
Fig. 64 Rear Crankshaft Seal—Installation
1 - SPECIAL TOOL 6926–2 INSTALLER
(4) Install flex plate. Apply Mopar
Adhesive to bolt threads and tighten bolts to 95 N·m
(70 ft. lbs.).
(5) Install transaxle. Refer to TRANSMISSION/
TRANSAXLE - INSTALLATION for procedure.
PISTON & CONNECTING ROD
DESCRIPTION
The pistons are made of a cast aluminum alloy.
The pistons have pressed-in pins attached to forged
powdered metal connecting rods. The pistons pin is
offset 1 mm (0.0394 in.) towards the thrust side of
the piston. The connecting rods are a cracked cap
design and are not repairable. Hex head cap screws
are used to provide alignment and durability in the
assembly. The pistons and connecting rods are ser-
viced as an assembly.
OPERATION
The piston and connecting rod is the link between
the combustion force to the crankshaft.
REMOVAL
1 - DIRECTIONAL ARROW WILL BE IMPRINTED IN THIS AREA
NOTE: Cylinder Head must be removed before Pis-
tons and Rods (Refer to 9 - ENGINE/CYLINDER
HEAD - REMOVAL).
(1) Remove top ridge of cylinder bores with a reli-
able ridge reamer before removing pistons from cyl-
inder block. Be sure to keep tops of pistons
covered during this operation.
(2) Pistons have a directional stamping in the
front half of the piston facing towards the front of
engine (Fig. 65).
(3) Remove oil pan (Refer to 9 - ENGINE/LUBRI-
CATION/OIL PAN - REMOVAL).
Lock & Seal
(4) Remove Balance Shaft Carrier Assembly (Refer
to 9 - ENGINE/VALVE TIMING/BALANCE SHAFT
CARRIER - REMOVAL).
(5) Using a permanent ink or paint marker, iden-
tify cylinder number on each connecting rod cap (Fig.
66).
CAUTION: DO NOT use a number stamp or a punch
to mark connecting rods. Damage to connecting
rod could occur.
(6) Remove connecting rod bolts and cap. Care
should be taken not to damage the fracture rod and
cap surfaces.
NOTE: Do not reuse connecting rod bolts.
(7) Pistons and connecting rods must be removed
from top of cylinder block. Rotate crankshaft so that
each connecting rod is centered in cylinder bore.
(8) Push piston and rod assembly out of cylinder
bore.
NOTE: Be careful not to nick crankshaft journals.
ENGINE 2.4L
Fig. 65 Piston Markings
9 - 45